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KINNEY

Models ZJ & ZJB Mechanical Booster

INSTALLATION OPERATION

MAINTENANCE REPAIR

MANUAL

Warning

DO NOT OPERATE BEFORE READING MANUAL

Tuthill China Group Shanghai Kinney Vacuum Equipment CO.,LTD No88,JiaXiu Road, Nanxiang Town, Shanghai China www.tuthill.com.cn

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CONTENTS

Description ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 1

Main Specifications ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 4

Installation ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 5

Operation ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 7

Maintenance, Dismantling and Reassembling ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 9

Troubles, Causes and Remedies ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 13

Overall Dimensions & Performance Curve ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 13

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Piston Ring

Bearing House

Piston Ring

Cooling Pipe

Gear Cover

Sight Glass Window

Gear

Bearing

DrainBearing House

Fig. 1 Schematic & principle drawing

Gas Outlet

Housing

Shaft Seal

End Cover

Gas Outlet

Drive Shaft

Bearing

Piston RingEnd Cover

Oil Cup

Gas Outlet

Gas inlet

Diven Shaft Rotor

Description

1. Construction feature and working principle of the pump:

The ZJ series mechanical booster is also known as Roots Pumps that is a positive displacement type

pump. It employs a pair of rotors, each of identical and roughly of “8” section, place in the pump

housing with clearance between them, counter‐rotating with same speed in order to perform suction

and discharge of gas (See Fig. 1). Two rotors, which are supported by the rolling bearings in the side

cover of the pump, rotate with high speed and keep a fixed relative position between them by

means of a pair of synchronizing gears. The end clearances between rotors and side covers are

assured by the adjustable metal shims between the housing of ball bearing and the side cover at the

fixed end, it allows the rotor to expand freely and only in one direction under thermal expansion.

Four sets of inner sealing in the two side covers prevent lube oil entering into pump housing. And

the axle sealing at the front‐end cover prevents leakage of air into the pump housing.

In order to reduce temperature of the pump all models of ZJ series pump, except two small models,

are equipped with a gear box cooler and front end cover cooler.

Power is transmitted through coupling or V‐belt from electrical motor to the driving shaft of the

pump and then through synchronizing gears to the driven shaft.

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Rotor

Housing

Gas outlet

Gas outlet

Gas inletHold of valve

By-pass valve

O-ring

By-pass gas

Fig. 2

All models of the ZJ series mechanical booster are designed in horizontal construction with their

inlet opening upwards in vertical direction. Models of the small pump are designed in direct

couple driving construction.

The ZJB Series Mechanical Booster with By‐pass valve is the derivative of the ZJ Series

Mechanical Booster. Its working principle is just same as that of ZJ series. The difference of two

series is that the suction and exhaust port of the ZJB series mechanical booster are joined

through a By‐pass valve (a gravity valve ) which is installed vertically on the by‐pass. (Refer to Fig

2.) The function of the By‐pass valve is as follows: When the valves of the multiplication of the

pressure difference between the suction are exhaust part and effective area of the valve is over

the weight of the valve‐head, the valve opens automatically, making the pressure difference

always keep in a fixed controllable value. This value is the allowable highest pressure difference

to ensure the pump works normally and so that in fact, the By‐pass valve is a kind of overload

self‐protective valve. It is a greatest advantage of ZJB Series Mechanical Booster.

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Mechanical Booster

Vent valve or Check valve

Fig. 3

Flexible Pipe

Backing Pump

By-pass Valve

Gas inlet

By-pass Pipe

2. Noticeable remarks on its application

It is the outstanding merit of the mechanical booster that it possesses a high pumping speed in the

lower suction pressure range. But it can not work singly and must be backed by a fore pump. (See

Fig. 3) Under normal working condition the booster is not allowed to operate under highly pressure

difference than permissible, otherwise overheating and overload will cause damage of the booster.

So proper fore pump and necessary protective devices must be considered.

The oil seal mechanical pump is usually selected as the fore vacuum pump. If the requirement for

the ultimate vacuum is not so strict, it is permitted to use other type of rough vacuum pumps as the

fore pump. When pumping the gas containing large amount of vapor, the water ring vacuum pump

is the ideal fore pump, but the attainable ultimate vacuum will be lower.

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Main Specifications

1. Main specifications of ZJ Pump

Model ZJ‐30 ZJ‐70 ZJ‐150 ZJ‐300 ZJ‐600 ZJ‐1200

Pumping Speed ( L/s ) 30 70 150 300 600 1200

Ultimate Vacuum (Pa) 5×10‐2 5×10‐2 5×10‐2 5×10‐2 5×10‐2 5×10‐2

R.P.M. 2770 2870 2900 1450 2900 1450

Port dia. (mm) Inlet 50 80 100 150 200 300

Outlet 40 50 100 150 150 300

Weight ( Kg ) 60 87 198 490 495 1550

Motor Power (kW) 0.75 1.5 3 4 5.5 11

Recommended model of backing pump

2X－4 2X－8 2X－15 2X－30 2X－70 H－150 or

two 2X－70A

2. Main specifications of ZJB Pump

Model ZJB‐30 ZJB‐70 ZJB‐150 ZJB‐300 ZJB‐600 ZJB‐1200

Pumping Speed (L/s) 30 70 150 300 600 1200

Ultimate Vacuum (Pa) 5×10‐2 5×10‐2 5×10‐2 5×10‐2 5×10‐2 5×10‐2

Starting Pressure (Pa) 101326 101326 101326 101326 101326 101326

Highest Difference Pressure (Pa) 5332 5332 5332 4266 4266 4266

R.P.M. 2770 2870 2900 1450 2900 1450

Port dia. (mm) Inlet 50 80 100 150 200 300

Outlet 40 50 100 150 150 300

Weight (kg) 75 100 215 480 503 1580

Motor power (kW) 0.75 1.5 3 4 5.5 11

Recommended model of backing pump

2X‐4 2X‐8 2X‐15 2X‐30 2X‐70 2X‐70×2

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Notes:

1. The pumping speed specified at the above table is the max pumping speed measured at the

inlet of the pump, which is fitted with the above recommended backing pumps under pressure

range from 67 Pa to 2.7 Pa.

2. The ultimate vacuum shown in the table is the stable and the lowest partial pressure of air

measured at the inlet of the pump with a specified backing pump by a McLeod gauge after

sufficient evacuating of the pumping system when its inlet is tightly closed without any

additional vessel.

3. The specifications listed in above table are all obtained under such condition that the

recommended backing vacuum pump is adopted. However, different backing pumps could be

fitted by user according to the different working conditions but the performance of the

pumping system will vary.

Installation Safety

Booster housing and associated piping or accessories may become hot enough to cause major skin

burns on contact.

Internal and external rotating parts of the booster and driving equipment can produce serious

physical injuries. The booster should never be run with the inlet or discharge piping removed. If it

becomes necessary to inspect the rotating parts of the booster, be absolutely sure that all power to

the motor controls has been shut off, the motor controls are locked out and properly tagged before

proceeding.

Use proper care and good procedures in handling, lifting, installing, operating and maintaining the

equipment.

1. Place of Installation and the Surrounding:

(1) The pump must be installed at clean and bright place where the surroundings are without

or with very little dust.

(2) The ambient temperature of the pump should be 5~40℃.

(3) Sufficient space should be left around the pump, for servicing, disassembling and

reassembling the pump.

2. Foundation:

(1) Pump is installed with backing pump on a frame as a single unit, and the whole pumping

unit is fixed on a concrete foundation.

(2) The area and the depth of the concrete foundation are fixed by its strength and the weight

of the pump.

(3) When the concrete foundation is cast, cavities for anchor bolts must be provided,

according to the relative position of the bolt’s holes.

(4) The surface of the foundation must be leveled.

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3. Installation:

(1) Put the anchor bolts in the corresponding cavities on the wooden frame, then fill the

cavities with concrete cement. After several days take off the wooden frame when the

concrete is solidified.

(2) Put the mechanical booster and backing pump on the foundation and level it with a leveler.

If unlevel adjust it with metal wedge. When the pump is level, then fill the slitting

clearance under the bottom of the pump with cement and tighten the anchor bolts.

4. Arrangement of the Piping

(1) The interior of the pipe should be clean and smooth. There should be no metal chips,

welding scales and other impurities in the interior of the pipe. And the conductance of the

pipe should be sufficient.

(2) There must be a section of flexible pipe between the mechanical booster and the backing

pump in order to facilitate the piping work as well as to minimize the vibration effect of the

backing pump.

(3) Besides the pipe between the inlet of the backing pump and outlet of mechanical booster,

a by pass valve and piping is needed in the pumping system for the sake of reducing the

time interval of pre‐pumping.

(4) In order to prevent the oil (or water when a water‐ring pump is used as a fore pump) being

sucked back to the mechanical booster when the backing pump stops, there should be a

vent valve or a check valve on the pipe between the inlet of the backing pump and the

outlet of the mechanical booster.

(5) There must be “O” ring, and sealing grease is between flanges of the pipe in order to make

the whole system leak proof.

(6) There should be a valve on the cooling water inlet pipe in order to regulate the amount of

cooling water. The connection of water inlet and outlet can be see in IX. Overall

Dimensions.

5. Electrical Equipment:

(1) Mechanical booster can only operate within specified inlet pressure and must stop just

after the backing pump has stopped. So electrical equipment must be interlocking and

automatically protected.

(2) Wire the electrical motor in such a way that the rotation of the pump must be in the

direction shown by the arrow.

(3) Pump of smaller size can be started directly, although pumps of bigger size should be

equipped with proper starter.

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Operation

1. Preparation before starting:

(1) Open cooling water inlet valve. Check that the cooling water pipe is not blocked.

(2) There must be sufficient amount of oil in the glass cup and shaft‐ sealing chamber. Fill the

gearbox and bearing casing with oil to about 3/4 of the height of the oil sight glass. No. 1

mechanical vacuum pump oil is recommended.

(3) When the pump operates at following conditions, corresponding measures must be

adopted.

a. Dust catcher or filter must be installed in the front of the inlet, if there are dust or

impurities and particles in the sucked gas.

b. If the gas sucked is corrosive, neutralizing device should be provided.

c. If the sucked gas contains moisture and a mechanical oil seal pump is used as a backing

pump, the mechanical pump must be equipped with gas‐ballast valve. If the sucked

gas contains a great deal of water vapor a condenser should be fitted to the pipe‐ line

between outlet of the pump and inlet of the backing pump.

2. The procedure of starting:

(1) Start the fore pump.

(2) Open by‐pass valve and valves of the inlet and the outlet of the mechanical booster.

(3) When the working pressure of the pumping system reaches permissible value of the

inlet pressure of the mechanical booster, close the by‐pass valve. Start the

mechanical booster. If there is no by pass, start the mechanical booster soon after its

inlet pressure reaches a permissible value. If there is a ZJB pump with by‐pass valve

itself, the valve will closed automatically after its inlet pressure reaches a permissible

valve. If automatic electric control device is provided, the starting of the pump system

will be automatic.

3. Remarks on operation:

(1) The technical specifications must be strictly observed when the pump is in operation,

generally the working inlet pressure should be under 1330 Pa. The highest inlet

pressure of the ZJ pump should not exceed the 1330 Pa, but ZJB pump with by‐pass

valve is not restricted by it. However, for a short

(2) Stretch of time ZJ pump operation is allowable that the working inlet pressure of the

pump could exceed the permissible value, but attention should be paid to the safety

of the equipment.

(3) Note the temperature of the different parts of the pump and load of the electric

motor. Under normal working condition the temperature rise of the pump is not

supposed to exceed 40 , and the max temperature not supposed to exceed 80 .℃ ℃

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(4) During time of operation, it should be steady and smooth as well as without obvious

vibration and irregular noise.

(5) In the time of operation if the local temperature of some parts of the pump is too high

and sudden change of the current is comparatively large, vibration or irregular noise

should be produced and so on, stop the pump. Find the cause of the trouble and

remedy it.

4. Stopping the pump:

(1) Close the gas‐ballast valve of the backing pump if it is opened.

(2) Close inlet valve of the mechanical booster.

(3) Stop the mechanical booster and then the fore pump. The order of the stoppage

must be strictly observed.

(4) Air must be instantly vented in at the inlet of the pump as soon as the backing pump

is stopped.

(5) Close cooling water inlet valve.

(6) If the pump is to remain idle for long period or during winter the cooling water should

be drained off after the pump has been stopped.

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Maintenance, Dismantling and Reassembling

Maintenance

1. Check regularly

1.1 Daily check:

(1) Check oil level: check oil level in the oil cup, gearbox and bearing casing. Too much

oil in the gearbox and bearing casing, the temperature will rise. If oil is insufficient,

lubricating effect will be poor and damage could occure.

(2) Check temperature: check temperature of the different parts of the pump with

thermometer.

(3) Check load of the electric motor: check the load of the electric motor with ammeter

and voltmeter or wattmeter.

1.2 Monthly check: Check the tension of coupling.

1.3 Seasonal check: Inspect the deterioration of the oil in the gearbox, and change the

oil if necessary.

1.4 Half yearly check:

(1) Inspect the deterioration of the oil in the front cover‐bearing casing and change the

oil if necessary.

(2) Check the wearing of axle sealing, and replace it with new one if necessary.

1.5 Yearly check:

(1) Check ball and roller bearing.

(2) Check piston rings and its sleeve.

(3) Check the wearing of the synchronizing gears, and the timing action of gear what

influences the normal rotating of rotors. Reset them if necessary.

2. Note on dismantling and reassembling:

The Note on dismantling and reassembling of mechanical booster proceeds as follows:

2.1 Read out the clearance of different parts of the rotor.

2.2 Avoid striking the parts of the pump with heavy hammer, the parts dismantled

should not be injured and properly stored.

2.3 The condition of the parts that are to be replaced and the caused of the

replacement should be recorded.

2.4 Before reassemble all parts of the pump should be washed and cleaned.

2.5 No. 106 organic silicon gum should be pasted on those entire sealing surfaces,

which employ no “O” ring of gasket. The surfaces of the stationary rubber sealing

must be coated with vacuum grease.

2.6 Reset the clearance of the different parts of rotors according to the following table

of clearance between rotors and between rotor and stator. (see the gap of table )

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Oil splasher

Bearing house

Bearing cover

Sleeve

Shaft seal inside

Oil cup

Piston ring

O ring

Piston ring sleeve

Fig. 4

Pads

Gear

Bearing cover

Bearing house

End cover

Fig.5

Oil drainCooling pepe

Piston ring sleeve

Piston ring

2.7 After the assembly of the pump is finished, test on leakage of the pump should be

followed.

2.8 After the assembly of the pump a running test and necessary performance testing

on it should be done. The pump can only be installed and put into service when it

functions properly in the testing.

3. Steps of disassembling:

Drain out the water and oil in the pump and cut the power before

disassemble.

3.1 Disassemble the fixed end ( Fig.4 motor side ) :

(1) Disassemble the motor and the connecting frame of the motor.

(2) Disassemble the shaft seal cover.

(3) Disassemble the shaft seal outside. (After all the above steps, replace a

new shaft seal outside.)

(4) Disassemble the front cover. (After all the above steps, replace new shaft

seal inside.)

(5) If the shaft sleeve need to be replaced, pull it out, put a new “O” ring

seal in it and then put it into the shaft.

(6) Disassemble the bearing cover and bearing house.

(7) Disassemble the bearing from the end cover (replace the bearing). Adjust

the pads between end cover and bearing house surface and keep them carefully when

disassembling so that them can be used when reinstalling.

(8) Pull out the piston ring sleeves and the piston ring.

(9) Disassemble the end cover.

3.2 Disassemble the free end ( Fig.5 Gear box side) :

(1) Disassemble the cover at the back.

(2) Pull out the gear before loosen and disassemble the gear‐locking

screw cap.

(3) Disassemble the bearing cover and bearing house.

(4) Disassemble the bearing from the end cover.

(5) Pull out the piston ring sleeves and the piston ring.

(6) Disassemble the end cover.

(7) Take the protecting sleeve out.

(8) Pull the rotor out, disassembling finished.

(9) If it is a ZJB booster with pass‐by, take the pass‐by valve out,

check the guiding sleeve and the front hole of the valve, to see whether they move freely, and

whether the seal ring works reliably.

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B

Fig.6

Long feeler gauge

A

Gear hub without slotGear hub with slot

Fig. 7

Screw

Gear

4. Steps of assembling:

Clean the pump and get rid of burr before assembling.

(1) Put a pair of rotors into the pump, pay attention to the position of the long rotor and the short

one.

(2) No. 106 organic silicon gum should be

coated on the surface between the end

cover and house, tighten the screw.

(3) Assemble the parts of piston ring, piston

ring sleeve bearing sleeve.

(4) Assemble the bearing house, bearing,

bearing‐locking screw cap and the

bearing cover.

(5) Measure the gap between the rotor and

the two end covers. Put pads between

bearing house and fixed end cover

surface to adjust the gap between the

rotor and two end cover ( Fig. 5 ).

(6) Measure the gap between rotor to rotor. Using feeler

gauges take interlobar readings and record on each side of

housing as indicated in Figure 6 above. Adjusting the gear

clockwise on the gear hub with slot as indicated in Figure

7, you can get the gap between rotor to rotor you want.

After getting the correct gap, you can tighten the screws

between gear and gear hub. The following table shows the

each pump have different gap between rotor to house,

rotor to rotor and rotor to both side end cover. As a rule, it

dose not need to adjust the gap between rotor to house

as the position has been fixed by the pin between house

and end cover.

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Table of gap between rotors and rotor to house In millimeter

Model Rotor to housing Rotor to rotor Rotor to fixed end cover Rotor to free end cover

ZJ(B)‐30 0.075‐0.10 0.14‐0.22 0.05‐0.07 0.13‐0.15

ZJ (B)‐70 0.075‐0.10 0.14‐0.22 0.05‐0.07 0.15‐0.18

ZJ (B)‐150 0.12‐0.14 0.14‐0.22 0.09‐0.11 0.15‐0.18

ZJ (B)‐300 0.19‐0.22 0.24‐0.32 0.12‐0.15 0.24‐0.28

ZJ (B)‐600 0.19‐0.22 0.24‐0.32 0.12‐0.15 0.24‐0.28

ZJ (B)‐1200 0.20‐0.24 0.60‐0.70 0.17‐0.20 0.35‐0.38

(7) No. 106 organic silicon gum should be coated on the surface of the back covers, and then

tighten all the screws.

(8) Assemble the oil splasher and bearing sleeve at the fixed end. Put the inside shaft seal in the

front cover. Pasted No. 106 organic silicon gums on the surface of the front cover, and then

tightens the front cover.

(9) By‐pass valve and cover shall be installed if the ZJB pump with a by‐pass valve.

(10) Assemble the connecting frame and the motor after the shaft seal seals the shaft seal cover.

Rotate the coupling with hand, make sure it can rotate flexibly and won’t be jammed.

(11) You can test the sealing capability of the pump if needed. Blow 2 to 3 kg/m2 dry air into the

pump, coat the soap liquid on the surface of all the sealing parts. Check and find whether there

is any leakage.

(12) Assemble the oil drain screw, and then fill the pump with oil, make sure the position of the oil

level shall be the middle of the oil window.

(13) Assemble the power line, the water pipe. Cover the gas inlet port with cover.

(14) Start the pump, pay attention to the rotate direction. Test different capability of the pump if

possible.

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Troubles, Causes and Remedies

Trouble Causes Remedies

ultimate vacuum not attainable

1. Leakage of the piping and the system find and resolve it

2. Leakage of the pump itself check and resolve it

3. Ultimate vacuum of the backing pump deterioratedrepair or replace the backing pump

4. Lube oil contaminated or improper lube oil change lube oil

5. Wear of the axle sealing change the axle sealing

pumping speed insufficient

1. Conductance of the piping insufficient increase the conductance

2. Fall of the pumping speed of the backing pump replace or repair the backing pump

over load of the electric motor

1. The inlet pressure is too high adjust the inlet pressure

2. The rotor end face contacts the face of the side coveradjust the end clearance of the rotor

3. Lube oil of the backing pump into the pump housing vent air into the pump

over heating of the pump

1. The pumping speed of the selected backing pump insufficient, that makes compression ratio too high

select a proper backing pump

2. Inlet pressure too high adjust the inlet pressure

3. Cooling to not effective Increase cooling water flows to reduce temperature

4. Too much oil in the gearbox drain out excess oil

5. Rotor contacts the housing of the pump dressing the outer superficies of the rotor

6. Gears and bearings are not in good lubricated condition

assure the proper amount of lube oil and good lubrication

irregular noise

1. Improper assembly reassemble

2. Improper timing of the synchronizing gears readjust the timing of the gears

3. Inlet pressure high adjust inlet pressure

4. Overload or poor lubrication makes the gears worn or damaged

Replace with new gears

5. Wearing of bearings Replace with new bearings

bearings and gears worn out

prematurely

1. Poor lubrication change lube oil

2. Lube oil insufficient supplement more lube oil

Overall Dimensions & Performance Curve

The Figures in the parenthesis are valid for the ZJ & ZJB with the motor of the model Y‐series and the

figures corresponding to those in the parenthesis.

Each pump both ZJ & ZJB has performance curve as follows with recommended backing pump.

180

160 135 240250 310

30&290

230

150

100

20

90 40 13027080 60 19050 120 10

283300140 110173

220 235 176 200280286

265185

170 210 115 260 225 205 70 360

PARTS LIST OF ZJ MECHANICAL BOOSTER

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PARTS LIST OF ZJ MECHANICAL BOOSTER

NO NAM

E ZJ‐30 ZJ‐70 ZJ‐150 ZJ‐300 ZJ‐600 ZJ‐1200

Drawing No name Qty Drawing No name Qty Drawing No name Qty Drawing No name Qty Drawing No name Qty Drawing No name Qty

10 ZJ30.70‐01A pump casing 1 ZJ30.70‐01 pump casing 1 ZJ150A‐01 pump casing 1 ZJ300.600‐01 pump casing 1 ZJ300.600‐01 pump casing 1 ZJ1200A‐05 pump casing 1

20 ZJ30.70‐12 gear 2 ZJ30.70‐12 gear 2 ZJ150A‐15 gear 2 ZJ300.600‐11 gear 2 ZJ300.600‐11 gear 2 ZJ1200A‐15 gear 2

30 ZJ150A‐04 driven shaft 1 ZJ300.600‐17 driven shaft 1 ZJ300.600‐17 driven shaft 1 ZJ1200A‐37 driven shaft 1

40 ZJ30.70‐11 oil obst cover 4 ZJ30.70‐11 oil obstructer

cover 4 ZJ300.600‐09

oil obstructer cover

2 ZJ300.600‐09 oil obstructer

cover 2


ring 4 ZJ30.70‐07

oil obstructer ring


ring 4 ZJ300.600‐05

oil obstructer ring

4 ZJ1200A‐10oil obstructer

ring 4


bush 4 ZJ30.70‐08

oil obstructer bush

4 ZJ150A‐08 oil obstructer

bush 4 ZJ300.600‐06

oil obstructer bush


bush 4

65 ZJ1200A‐12oil obstructer

spacer 4

70 ZJ30.70‐22A lantern 1 ZJ30.70‐22 lantern 1 ZJ150A‐33 lantern 1 ZJ300.600‐35 lantern 1 ZJ300.600‐35 lantern 1 ZJ1200A‐36 lantern 1

80 ZJ150A‐12 spacer 2 ZJ300.600‐08 spacer 4 ZJ300.600‐08 spacer 4


100 ZJ‐150A‐37 spacer 1 ZJ300.600‐15 spacer 2 ZJ300.600‐15 spacer 2 ZJ1200A‐13 spacer 2

110 ZJ300.600‐31 spacer 1 ZJ300.600‐31 spacer 1 ZJ1200A‐33 spacer 1

115 ZJ1200A‐11 adjust washer 16

120 ZJ30.70‐29A fore end cover 2 ZJ30.70‐29A fore end cover 2 ZJ150A‐09 End cover 1 ZJ300.600‐03 End cover 1 ZJ300.600‐03 End cover 1 ZJ1200A‐06 End cover 1

130 ZJ30.70‐04 rotor 2 ZJ30.70‐04 rotor 2 ZJ150A‐02 rotor 2 ZJ300.600‐02 rotor 2 ZJ300.600‐02 rotor 2 ZJ1200A‐01 rotor 2

135 ZJ1200A‐07 seal ring housing 4

140 ZJ300.600‐29 flange 1 ZJ300.600‐29 flange 1 ZJ1200A‐24 bottom flange 1

150 ZJ30.70‐09 gear box 1 ZJ30.70‐09 gear box 1 ZJ150A‐18 fore cover 1 ZJ300.600‐14 gear box 1 ZJ300.600‐14 gear box 1 ZJ1200A‐14 gear box 1

160 ZJ150A‐21 gear box cooler

1 ZJ300.600‐24 gear box cooler

1 ZJ300.600‐24 gear box cooler

1 ZJ1200A‐22 gear box cooler 1

170 ZJ30.70‐30A blind flange 1 ZJ30.70‐30 blind flange 1 ZJ‐150A‐38 outlet flange 1 ZJ300.600‐43 outlet flange 3 ZJ300.600‐43 outlet flange 3 ZJ1200A‐04 outlet flange 3

173 ZJ30.70‐31A exhaust flange 1 ZJ30.70‐31 exhaust flange 1

176 ZJ1200A‐27 cooler cover 1

180 ZJ300.600‐44 inlet flange 1 ZJ300.600‐44 inlet flange 1

15

185 ZJ30.70‐23 press flange 1 ZJ30.70‐23 press flange 1

190 ZJ30.70‐06 oil sealring

bush 4 ZJ30.70‐06

oil sealring bush

4 ZJ150A‐07 oil seal bush 4 ZJ300.600‐04 oil seal bush 4 ZJ300.600‐04 oil seal bush 4 ZJ1200A‐09 seal ring bush 4

200 ZJ30.70‐05 oil sealring

base 4 ZJ30.70‐05

oil sealring base

4 ZJ300.600‐34 seal ring base 1 ZJ300.600‐34 seal ring base 1 ZJ1200A‐30 flange 1

205 ZJ30.70‐25 shaft seal housing

1 ZJ30.70‐25 shaft seal housing

1

210 ZJ30.70‐18 fore cover 1 ZJ30.70‐18 fore cover 1 ZJ150A‐26 fore cover 1 ZJ300.600‐42 fore cover 1 ZJ300.600‐42 fore cover 1 ZJ1200A‐34 fore cover 1

220 ZJ30.70‐20 oil splashier 1 ZJ30.70‐20 oil splashier 1 ZJ150A‐25 oil splasher 1 ZJ300.600‐30 oil splasher 1 ZJ300.600‐30 oil splasher 1 ZJ1200A‐32 oil splasher 1

225 ZJ1200A‐35 oiler connector 1

230 ZJ150A‐19 sight glass cover

2 ZJ300.600‐20 sight glass cover

2 ZJ300.600‐20 sight glass cover

2 ZJ1200A‐20 sightglass cover 2

235 ZJ1200A‐28seal obstructer

ring 1

240 ZJ‐150A‐36 fore vacuum

pipe 2 ZJ300.600‐26

fore vacuum pipe

2 ZJ300.600‐26 fore vacuum

pipe 2

250 ZJ‐150A‐35 fore vacuum

screw 1 ZJ300.600‐25

pre vacuum screw

2 ZJ300.600‐25 pre vacuum

screw 2

260 ZJ30.70‐19 bearing press

cover 2 ZJ30.70‐19

bearing press cover

2 ZJ150A‐11 pressure flange

4 ZJ300.600‐41 pressure flange

2 ZJ300.600‐41 pressure flange

2 ZJ1200A‐26 pressure flange 4

265 ZJ‐150A‐34 support bar 1

270 ZJ30.70‐10

bearing housing

4 ZJ30.70‐10 bearing housing

4 ZJ150A‐10 bearing housing



4 ZJ1200A‐25 bearing housing 4

280 ZJ30.70‐24 bush 1 ZJ30.70‐24 bush 1 ZJ150A‐27 bush 1 ZJ300.600‐33 bush 1 ZJ300.600‐33 bush 1 ZJ1200A‐29 bush 1

283 ZJ30.70‐17A pump feet 2 ZJ30.70‐17 pump feet 2

286 ZJ150A‐28 shaft seal housing

1

290 ZJ150A‐03 drive shaft 1 ZJ300.600‐16 drive shaft 1 ZJ300.600‐16 drive shaft 1 ZJ1200A‐02 drive shaft 1

300* 30*50*10 shaft seal 2 30*50*10 shaft seal 2 45*62*12 shaft seal 2 65*90*13 shaft seal 2 65*90*13 shaft seal 2 90*120*12 shaft seal 2

310* 38*34*2.5 piston ring 8 38*34*2.5 piston ring 8 45*41*2.5 piston ring 12 85*77*2.5 piston ring 12 85*77*2.5 piston ring 12 115*106*4 piston ring 12

360* ML3 coupling elastomer

1 ML3 coupling elastomer





1

* recommended spare parts

16

220

170

160 135 310250 240173140 110

30&290

230

150

100

20

4090 80 270 5060 190 130120 10 180

235 176 280 200286

185300 265 283

260210 115 205225 70320

350

340330

360

PARTS LIST OF ZJB MECHANICAL BOOSTER

17

PARTS LIST OF ZJB MECHANICAL BOOSTER

NO NAME ZJB‐70 ZJB‐150 ZJB‐300 ZJB‐600 ZJB‐1200

Drawing No name Qty Drawing No name Qty Drawing No name Qty Drawing No name Qty Drawing No name Qty

10 ZJB30.70‐01 pump casing 1 ZJB150‐01 pump casing 1 ZJB300.600‐01 pump casing 1 ZJB300.600‐01 pump casing 1 ZJB1200‐05 pump casing 1

20 ZJ30.70‐12 gear 2 ZJ150A‐15 gear 2 ZJ300.600‐11 gear 2 ZJ300.600‐11 gear 2 ZJ1200A‐15 gear 2

30 ZJ150A‐04 driven shaft 1 ZJ300.600‐17 driven shaft 1 ZJ300.600‐17 driven shaft 1 ZJ1200A‐37 driven shaft 1

40 ZJ30.70‐11oil obstructer

cover 4 ZJ300.600‐09

oil obstructer cover

2 ZJ300.600‐09oil obstructer

cover 2

50 ZJ30.70‐07 oil obstructer ring 4 ZJ300.600‐05 oil obstructer ring 4 ZJ300.600‐05 oil obstructer ring 4 ZJ1200A‐10 oil obstructer ring 4

60 ZJ30.70‐08 oil obstructer bush 4 ZJ150A‐08 oil obstructer bush 4 ZJ300.600‐06oil obstructer

bush 4 ZJ300.600‐06

oil obstructer bush

4

65 ZJ1200A‐12 oil obstructer bush 4

70 ZJ30.70‐22 lantern 1 ZJ150A‐33 lantern 1 ZJ300.600‐35 lantern 1 ZJ300.600‐35 lantern 1 ZJ1200A‐36 lantern 1



100 ZJ‐150A‐37 spacer 1 ZJ300.600‐15 spacer 2 ZJ300.600‐15 spacer 2 ZJ1200A‐13 spacer 2

110 ZJ300.600‐31 spacer 1 ZJ300.600‐31 spacer 1 ZJ1200A‐33 spacer 1

115 ZJ1200A‐11 adjust washer 16

120 ZJ30.70‐29A fore endcover 2 ZJ150A‐09 endcover 1 ZJ300.600‐03 endcover 1 ZJ300.600‐03 endcover 1 ZJ1200A‐06 endcover 1

130 ZJ30.70‐04 rotor 2 ZJ150A‐02 rotor 2 ZJ300.600‐02 rotor 2 ZJ300.600‐02 rotor 2 ZJ1200A‐01 rotor 2

135 ZJ1200A‐07 seal ring housing 4

140 ZJ300.600‐29 flange 1 ZJ300.600‐29 flange 1 ZJ1200A‐24 bottom flange 1

150 ZJ30.70‐09 gear box 1 ZJ150A‐18 fore cover 1 ZJ300.600‐14 gear box 1 ZJ300.600‐14 gear box 1 ZJ1200A‐14 gear box 1

160 ZJ150A‐21 gear box cooler 1 ZJ300.600‐24 gear box cooler 1 ZJ300.600‐24 gear box cooler 1 ZJ1200A‐22 gear box cooler 1

170 ZJ30.70‐30 blind flange 1 ZJ‐150A‐38 outlet flange 1 ZJ300.600‐43 outlet flange 3 ZJ300.600‐43 outlet flange 3 ZJ1200A‐04 outlet flange 3

173 ZJ30.70‐31 exhaust flange 1

176 ZJ1200A‐27 cooler cover 1

180 ZJ300.600‐44 inlet flange 1 ZJ300.600‐44 inlet flange 1 ZJB1200‐38 suction connector 1

185 ZJ30.70‐23 press flange 1

190 ZJ30.70‐06 oil sealring bush 4 ZJ150A‐07 oil seal bush 4 ZJ300.600‐04 oil seal bush 4 ZJ300.600‐04 oil seal bush 4 ZJ1200A‐09 seal ring bush 4

200 ZJ30.70‐05 oil sealring base 4 ZJ300.600‐34 seal ring base 1 ZJ300.600‐34 seal ring base 1 ZJ1200A‐30 flange 1

205 ZJ30.70‐25 shaft seal housing 1

18

210 ZJ30.70‐18 fore cover 1 ZJ150A‐26 fore cover 1 ZJ300.600‐42 fore cover 1 ZJ300.600‐42 fore cover 1 ZJ1200A‐34 fore cover 1

220 ZJ30.70‐20 oil splashier 1 ZJ150A‐25 oil splasher 1 ZJ300.600‐30 oil splasher 1 ZJ300.600‐30 oil splasher 1 ZJ1200A‐32 oil splasher 1

225 ZJ1200A‐35 oiler connector 1

230 ZJ150A‐19 sight glass cover 2 ZJ300.600‐20 sight glass cover 2 ZJ300.600‐20 sight glass cover 2 ZJ1200A‐20 sightglass cover 2

235 ZJ1200A‐28 seal obstructer

ring 1

240 ZJ‐150A‐36 fore vacuum pipe 2 ZJ300.600‐26 fore vacuum pipe 2 ZJ300.600‐26 fore vacuum pipe 2

250 ZJ‐150A‐35 fore vacuum screw 1 ZJ300.600‐25 pre vacuum screw 2 ZJ300.600‐25 pre vacuum screw 2

260 ZJ30.70‐19bearing press

cover 2 ZJ150A‐11 pressure flange 4 ZJ300.600‐41 pressure flange 2 ZJ300.600‐41 pressure flange 2 ZJ1200A‐26 pressure flange 4

265 ZJ‐150A‐34 support bar 1

270 ZJ30.70‐10 bearing housing 4 ZJ150A‐10 bearing housing 4 ZJ300.600‐07 bearing housing 4 ZJ300.600‐07 bearing housing 4 ZJ1200A‐25 bearing housing 4

280 ZJ30.70‐24 bush 1 ZJ150A‐27 bush 1 ZJ300.600‐33 bush 1 ZJ300.600‐33 bush 1 ZJ1200A‐29 bush 1

283 ZJB30.70‐26 pump feet 2

286 ZJ150A‐28 shaft seal housing 1

290 ZJ150A‐03 drive shaft 1 ZJ300.600‐16 drive shaft 1 ZJ300.600‐16 drive shaft 1 ZJ1200A‐02 drive shaft 1

300* 30*50*10 shaft seal 2 45*62*12 shaft seal 2 65*90*13 shaft seal 2 65*90*13 shaft seal 2 90*120*12 shaft seal 2

310* 38*34*2.5 piston ring 8 45*41*2.5 piston ring 12 85*77*2.5 piston ring 12 85*77*2.5 piston ring 12 115*106*4 piston ring 12

320 ZJB30.70‐19 valve cover 1 ZJB150‐04 valve cover 1 ZJB300.600‐46 valve cover 1 ZJB300.600‐46 valve cover 1 ZJB1200‐39 bypass valve cover 1

330 ZJB30.70‐20 valve head 1 ZJB150‐06 valve 1 ZJB300.600‐47 valve head 1 ZJB300.600‐47 valve head 1 ZJB1200‐41 bypass valve head 1

340 ZJB30.70‐21 sleeve 1 ZJB150‐05 sleeve 1 ZJB300.600‐48 sleeve 1 ZJB300.600‐48 sleeve 1 ZJB1200‐40 guide sleeve 1

350 ZJB150‐08 press flange 1 ZJB300.600‐50 press flange 1 ZJB300.600‐50 press flange 1 ZJB1200‐43 press flange 1

360* ML3 coupling elastomer 1 ML4 coupling elastomer




1

* recommended spare parts

19

1. ZJ Series Mechanical Booster

ZJ‐30 Mechanical Vacuum Booster

20


21


22

ZJ-300&ZJ600 Mechanical Vacuum Booster

23


24

2. ZJB Series Mechanical Booster

ZJB‐70 Mechanical Vacuum Booster

25

ZJB‐150 Mechanical Vacuum Booster

26

ZJB‐300&ZJB‐600 Mechanical Vacuum Booster

27

‘

29

Tuthill China Group Address：No 88, JiaXiu Road, Nanxiang Town, JiaDing District,Shanghai

Postcode：201802

Tel：+86‐21 6917 1999

Fax：+86‐21 6917 2162

Email：tuthill‐[email protected]

www.tuthill.com.cn Service hotline：+86 13818657982 Fax：+86‐21 6917 2162‐855 Email：[email protected]

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