TM 5-3805-260-24
STEERING CONTROL VALVE
(1 U327)
Pressure setting of relief valve with engine at high
idle ..........2000 25 psi (140.6 1.8 kg/cm2) (13 800 172 kPa)
Pressure to each steering cylinder with valve In NEUTRAL
position ..40 + 10 psi (2.8 0.7 kg/cm2) (276 69 kPa)
Permissible difference in pressures (between steering cylinders) with
valve in
NEUTRAL position ........10 ps ( 7 kg/cm2) (69 kPa)
(1) Torque for plug (orifice). 120 - 24 lb, in. (13.6 - 2 7 N m)
(2) 2J6088 Spring (outer) for flow control valve’
Length under test force .... 1.53 in (38.9 mm)
Test force ........................ 22 1 11 lb (98.3 ± 4 9 N)
Free length after test ....... 2.34 in. (59.4 mm)
Outside diameter ............. .812 in. (20.62 mm)
(3) 4J7490 Spring (inner) for flow control valve:
Length under test force ... 1.63 in (41.4 mm)
Test force ........................ 13.3.7 lb (59.2 ± 3 1 N)
Free length after test ....... 2.00 in (50.8 mm)
Outside diameter ............. 60 in (15.2 mm)
(4) 4F7115 Spring for pilot valve:
Length under test force ... 1.43 in (36.3 mm)
Test force ........................ 67.6 ± 3.4 lb (300 7 + 15.1 N)
Free length after test ....... 1.74 in (44.2 mm)
Outside diameter ............. .49 in (12.4 mm)
(5) 3H2549 Shims:
Thickness of one shim .... ..010 in ( 25 mm)
One shim changes
pressure ........................... 40 psi (2 8 kg/cm2) (276 kPa)
(6) 7F9802 Spring (inner) for valve spool:
Length under test force ... 1.88 in. (47.8 mm)
Test force ........................ 23.91.9 lb. (106 3 - 8 5 N)
Free length after test ....... 3 31 n. (84 1 mm)
Outside diameter ............. 1.25 in (31.8 mm)
(7) 7H832 Spring (outer) for valve spool.
Length under test force ... 1 53 in. (38 9 mm)
Test force ........................ 403 lb (177.9133 N)
Free length after test ....... 2.20 in. (55 9 mm)
Outside diameter ............. 1.67 in. (42 4 mm)
(8) Thickness of 5J4776 Shim 005 in ( 13 mm)
Thickness of 4J8224 Shim
.010 in ( 25 mm)
1-55
