Table 4-2. Unit Preventive Maintenance Checks and Services - CONT.
Hr - Hours
MO - Months
Item to Be
Check service brakes operation, Adjust as necessary.
Inspect clutch play. Adjust clutch as necessary (para 4-38).
Check pump, motor, control valve and control linkage for proper
operation. Adjust pump control linkage if required (para 4-55). If
neutral position is difficult or impossible to find, notify direct support
maintenance. Check charge pressure in neutral (190 to 210 psi
- 1448 kPa]). Check case drain pressure (40 psi [276
Additive system Check motor, control valve, and control linkage for proper operation
(para 2-12). Check the system for quiet operation, vibration,
localized heating, and excessive seal or packing leakage. If improper
operation, unusual noise, vibration or leaking is found, notify direct
Check for proper operation (para 2-12). If improper operation is
found, notify direct support maintenance. Check relief valve pressure
(75 psi [524-kPa]).
TGP/FPM/GPM Check for proper operation. Check for presence and condition of
Check tailboard for damaged parts and proper operation (para 2-11).
Check the hood adjusting bar stop block for proper adjustment.