2-94

GROUP 12 BRAKE SUPPLY VALVE

1. STRUCTURE

BR2

BR1 BR2 PGP ACGP P T

AC1 AC2

AC2GP

TGP

AC1GP

ACGP

PGP P T

TGP

AC1 BR1AC1GP AC2GP AC2

0.2bar

0.2bar

170bar

Port name

P, T, AC1, AC2

BR1, BR2

PGP, TGP, AC1GP, AC2GP, ACGP

Port size

PF 1/2

PF 3/8

PF 1/4

2-95

2. COMPONENT

1 Block2 Relief valve assy3 Unload valve assy4 Check retainer5 Check spring6 Chrome ball7 O-ring8 Comprising honed

9 Back up ring10 O-ring11 Retainer12 Comprising honed13 Spring14 O-ring15 O-ring16 Back up ring

17 O-ring18 Back up ring19 Hex hollow plug20 Hex hollow plug21 Hex hollow plug23 Orifice plug

1411

1513

1612

1817

3

20

7

4

5

6

20

1

2

910

8

2320

21

21

19

20