Table 4-1. Unit PMCS-continued -706880144

TM 5-4210-233-14&P-1

Table 4-1. Unit PMCS-Continued

Item

Interval

No. W M

ITEM TO BE INSPECTED/Procedures

BRAKE SYSTEM - Continued

R-12 Relay Valves

Check that valve is in place and free of cracks, corrosion, or visible damage.

Check attaching hardware and hose connections for tightness.

Replace/tighten as required (see para 4-154).

Push-Pull Brake Control Valves

Check that valve is in place and free of visible damage. Check attaching

hardware is in place/tight. Check knob for cracks/looseness. Check hose

connections are tight. Replace/tighten as required (see para 4-145).

D2 Governor, SR-1 Spring Brake Valve

Check that attaching hardware is in place and tight. Check hose

connections/clamps on underside are tight.

Air Tanks

WARNING

Death or serious injury could occur if compressed air is directed

against the skin. When working with compressed air always use eye

protection and other personal protective equipment.

Check that attaching hardware is in place/tight. Check all plugs/fittings are

in place/tight. Check hose connections are tight. Check drain cock is tight,

free of damage. Check drain cock operates smoothly, closes properly.

Air Dryer

Check attaching hardware, hose, wiring connections are tight. Check orifice

at bottom of dryer is free of obstruction.

STEERING ASSEMBLY

Steering Gear

Inspect steering gear for signs of wear, leakage, or other damage. Operate

gear and check relief valve in gear operates before wheels reach left or right

hand stops. Adjust gear as required.

4-15