TM 5-3805-291-23-2
SECONDARY STEERING VALVE REPLACEMENT - CONTINUED
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C AU T I O N
Wipe area clean around all connections to be opened during removal. Cap lines and hoses and plug
openings after removing lines. Contamination of system could result in premature failure.
N OT E
Tag hoses and wires prior to removal to ensure correct installation.
Use a container to catch any fluid that may drain from hoses or system. Dispose of fluid IAW local pol-
icy and ordinances. Ensure all spills are cleaned up.
REMOVAL
1.
Disconnect two pressure switches (1) from chassis
wiring harness (2).
2.
Remove bolt (3), washer (4), and two clips (5) and
position pressure switches (1) aside.
3.
Disconnect hose assembly (6) from fitting (7).
4.
Remove and discard O-ring (8).
5.
Remove eight bolts (9), washers (10), four flange
halves (11), and two gaskets (12) from two hose
assemblies (13), and remove two hose assemblies.
Discard gaskets.
6.
Remove three bolts (14), washers (15), and secondary
steering valve (16) from machine.
7.
Remove fitting (7) from secondary steering valve (16).
427-C0526
8.
Remove and discard O-ring (17).
9.
Remove two pressure switches (1) from secondary
steering valve (16).
CLEANING AND INSPECTION
WARN I N G
Solvent cleaning compound MIL-PRF-680 Type III is an environmentally compliant and low-toxic
material. However, it may be irritating to the eyes and skin. Use protective gloves and goggles. Use in
well-ventilated areas. Keep away from open flames and other sources of ignition. Failure to do so may
result in injury or death to personnel.
Particles blown by compressed air are hazardous. DO NOT exceed 15 psi (103 kPa) nozzle pressure
when drying parts with compressed air. DO NOT direct compressed air against human skin. Make
sure air stream is directed away from user and other personnel in the area. To prevent injury, user
must wear protective goggles or face shield. Failure to follow this warning may result in injury to per-
sonnel.
1.
Clean all parts and mating surfaces with solvent cleaning compound.
2.
Dry parts with compressed air.
3.
Inspect all parts for wear, pitting, cracks, or corrosion and replace if necessary.
4.
Inspect oil passages to ensure they are clean and unobstructed.
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