Table 2-1. Unit Preventive Maintenance Checks and Services (Continued)
Item to Check/
Lubricate boom extend chain sheave with GAA as required.
Remove rear boom cover and check all visible boom wear pads (front
and rear). Refer to Para 18-20 for inspection procedures.
Perform annual safety inspection in accordance with TB 43-0142,
Safety Inspection and Testing of Lifting Devices.
Coolant Mixture Check
Check for 50-50 mix of ethylene glycol and clean water. Refer to
MIL-A-46153. If necessary, drain and refill engine cooling system.
Refer to Para 7-2.
Replace primary and secondary engine fuel filters. Refer to Para 5-15.
Wheels and Tires
Check wheel nuts for proper torque (330 +/- 5 lb-ft [637.2 +/- 7 Nm]).
Check tires for proper inflation pressures (front tires: 65 psi, rear tires