Usage:
(1) Relief valve for parking brake release system:
Pressure setting ... 3170 ± 200 kPa (460 ± 30 psi)
At a flow of ... 23 liter/min (6.1 U.S. gpm)
At a temperature of ... 49 to 66°C (120 to 150°F)
(2) Shims for relief valve
5J1036 Shim thickness ... 0.79 mm (.031 in)
One shim will change the relief pressure by ... 440 kPa (64 psi)
6J3933 Shim thickness ... 0.25 mm (.010 in)
One shim will change the relief pressure by ... 145 kPa (21 psi)
5J2721 Shim thickness ... 0.13 mm (.005 in)
One shim will change the relief pressure by ... 70 kPa (10 psi)
(3) 5J916 Spring for relief valve:
Color code ... yellow stripe
Length under test force ... 48.26 mm (1.90 in)
Test force ... 415 ± 33 N (93 ± 7.4 lb)
Free length after test ... 61.72 mm (2.43 in)
Outside diameter ... 14.27 mm (.562 in)
(4) 1K4066 Spring for valve spool:
Length under test force ... 25 mm (1.0 in)
Test force ... 180 to 220 N (40 to 50 lb)
Free length after test ... 38.1 mm (1.5 in)
Outside diameter ... 11.13 mm (.438 in)
(5) 9N4049 Spring for check valve:
Length under test force ... 21.84 mm (.860 in)
Test force ... 10.73 ± 0.53 N (2.41 ± .12 lb)
Free length after test ... 38.1 mm (1.5 in)
Outside diameter ... 6.096 mm (.240 in)
(6) 6J8696 Shim:
Shim thickness ... 1.2 mm (.048 in)
One shim will change the relief pressure by ... 70 kPa (10 psi)
9T4769 (later)
(1) Relief valve for parking brake release system
Pressure setting ... 3170 ± 200 kPa (460 ± 29 psi)
At a flow of ... 23 liter/min (6.1 U.S. gpm)
At a temperature of ... 49 to 66°C (120 to 150°F)
(2) 6J8696 Shim:
Shim thickness ... 1.22 mm (.048 in)
One shim will change the relief pressure by ... 690 kPa (100 psi)
(3) 1K4066 Spring for valve spool:
Length under test force ... 25 mm (1.00 in)
Test force ... 180 to 220 N (40 to 50 lb)
Free length after test ... 38.1 mm (1.5 in)
Outside diameter ... 11.13 mm (.438 in)
(4) 9N4049 Spring for check valve
Length under test force ... 21.84 mm (.860 in)
Test force ... 10.73 ± 0.53 N (2.41 ± .12 lb)
Free length after test ... 38.1 mm (1.5 in)
Outside diameter ... 6.096 mm (.240 in)
(5) 9T4767 Relief Valve:
For one turn of the adjusting screw under cap (7), pressure will change 690 kPa (100 psi).
(6) Torque for locknut ... 12 ± 4 N·m (9 ± 3 lb ft)
(7) Torque for cap ... 3.4 ± 0.5 N·m (30.08 ± 4.5 lb in)