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Operator’s Manual

THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF

INTERNATIONAL HARVESTER OR IT’S SUCCESSORS. INTERNATIONAL HARVESTER AND IT’S SUCCESSORS

ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL.

TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS,

AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS.

UC-221 & UC263

Engines and

Power Units

IH-O-ENGUC221+

UC-221 AND UC-263 ENGINE AND

ATTACHMENTS FORM 1 085 201 R3

OCTOBER, 1974

(Supercedes FORM 1085201 R2)

CONTENTS

INTRODUC TION Ventilation for engines installed inside of buildings Suggested engine and fuel tank arrangements

DESCRIPTION Specifications and capacities . . . Operating controls and instruments

OPERATION ••..•••.. Before starting a new engine Lubrication when shipped Precautions • . • . • • •

Liquefied petroleum gas or natural gas engines Preparing the engine for each day's work Operating the engine

Starting the engine Instrument check Stopping the engine

SCHEDULED MAINTENANCE Scheduled Periodic •••••••• Lubrication

Lubrication specifications and capacities chart Lubrication guide (engine). • • • Lubrication guide (power take -off)

MAINTENANCE Preparing for cold weather Preparing for hot weather Cooling s ys tern

Radiator Type • • • . • Flo-Matic Type • • . • • • • • Care of the Cooling System Anti-Freeze Solutions Cooling Conditioners • • Water ........ . Preventive Maintenance. Important • . . . • . • Radiator Cap. • • • . • Draining the Cooling System. Cleaning the Cooling System. • Cleaning the Radiator Core Filling the Cooling System. • The rmo stat Water Pump .• Flo-Matic Valve •

Belt ...... . Air cleaner

Cleaning the oil cup Washing the air cleaner.

Air intake cap Crankcase breather • • Lubricating oil filter Hand cranking Valve clearance adjustment.

..

Pages 3 to 5

4 4, 5

6 to 10 6, 7

7 to 10

11 to 15 11

11, 12 12 12 13 14

14, 15 15 15

16 to 24 16, 17

17 18 to 24

19 20, 21 22, 23

24 to 57 24 25

25 to 32 25 25 26 26 26 27 27 27 28 28 29 29 29

30, 31 31

31, 32 33, 34 34, 35

34 35 35 35 35 36 36

CONTENTS

Electrical system. Alternator. . . Regulator . . . Cranking motor Ignition coil • . Spark plugs Spark plug cables Storage battery Distributor Wiring diagram

Regular gauges Safety gauges •

Fuel system (gasoline) . Carburetor . • . • Fuel pump (mechanical) Fuel pump (electric) Cleaning the filter screen

Fuel system (natural gas) Adjusting the carburetor and regulator

Fuel system (liquefied petroleum gas). . Adjusting the carburetor and regulator Fuel filter

Governor Adjustment Variable Speed. . • Constant Speed. •

Power take-off clutch Storing the engine. . • Preparing stored engine for service

2

Pages

38 to 44 38 38 39 39 39 40 40

40, 41 42 to 45 42, 43 44. 45

46 to 48 46, 47

47 48 48 49

49.50 50 to 52

50 50

52 to 55 52, 53 54, 55 56, 57 57, 58 58, 59

PRINTED IN UNITED STATES O' AMIRICA

INTRODUCTION

IPA-5221ec

111us t. 1 Right Front View of the UC-221 or UC-263 Engine

with Various Attachments.

111ust. 2 Left Rear View of the UC-221 or UC-263 Engine

with Various Attachments.

3

DESCRIPTION

SPECIFICATIONS AND CAPACITIES

Capacities (U. S. Measure)

Air cleaner oil cup (wet type) • Cooling s ys tern:

Radiator type Flo -matic type

Crankcase oil pan: Without filter With filter

The capacities which appear throughout this manual are specifically for these engines and their attachments.

Specifications

Cylinders Bore Stroke:

UC -221 UC -263

Displacement: UC-221 UC -263

Carburetor: Gasoline LPG Natural Gas

Distributor: Dwell Point gap

Engine speeds: Full load governed High idle . • .. Low idle (gasoline)

Engine

Low idle (LPG or natural gas) Spark plug gap:

Gasoline • . • ••. LPG or natural gas

F an belt tension at midpoint between: Alternator and fan pulleys:

New Used

Fan and crankshaft pulleys: New Used

Valve clearance: Engine cold

Electrical system

Firing order . . •

':'Optional engine speeds are available. The high idle and full load governed speeds for which this engine is equipped and adjusted is stamped on the serial number plate located on the flywheel housing.

2-3/4 pts.

25 qts. 69 qts.

8 qts. 9 qts.

6 3.562 in.

3.688 in. 4.390 in.

220.5 cu. lll.

262.5 cu. in.

IH Impco Impco

31 0 to 37 0

. 019 to . 023 in.

500 ± 25 RPM 600 ± 25 RPM

.023 to .028 in.

.015 to .020 in.

13/32 in. 7/16 in.

1/2 in. 17/32 in.

.027 in. 12 volt, negative

ground 1, 5, 3,6, 2, 4

6 PRINTED IN UNITED STATES OF AMERICA

DESCRIPTION

11--!------!~:/ ~1

10

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8 ~l e o o

CEA-847388

Illust. 6 Instrument Panel (Regular Gauges).

1. PANEL, instrument. 3. HOURMETER. 4. GAUGE, engine oil pressure. 5. KNOB, governor control. 6. BUTTON, choke control. 8. SWITCH, ignition and starter. 9. GAUGE, engine coolant temperature.

10. AMMETER. 11. TACHOURMETER.

Engine Oil Pressure Gauge

This instrument registers the pressure of the lubricating oil circulating through the engine.

Safety Engine Oil Pressure Gauge

This gauge is part of the instrument panel (safety gauges) attachment. The safety engine oil pressure gauge shows the pressure of the lubricating oil circulating through the engine. If the oil pressure drops below minimum oper­ating pres sure, the engine will automatically stop.

Engine Coolant Temperature Gauge

This gauge shows the temperature of the cool­ant circulating in the engine.

8

o

CEA-84739 C

Illust. 7 Instrument Panel (Safety Gauges).

1. PANEL, instrument. 3. HOURMETER. 4. GAUGE, safety engine oil pressure. 5. SWITCH, ignition relay. 6. KNOB, governor control. 7. BUTTON, choke control. 9. SWITCH, ignition and starter.

10. GAUGE, engine coolant temperature safety.

11. AMMETER. 12. TACHOURMETER.

Engine Coolant Temperature Safety Gauge

This gauge is part of the instrument panel (safety gauge) attachment. This gauge registers the temperature of the coolant circulating in the engine. If the temperature of the coolant reaches 195 0 F, the engine will automatically stop.

Ammeter

This instrument indicates the rate at which the battery is being charged or discharged.

PRINTED IN UNITED STATES OF AMERICA