Table 4-1. Unit PMCS-Continued
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.
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.
Check attaching hardware, hose, wiring connections are tight. Check orifice
at bottom of dryer is free of obstruction.
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.