Table 2-1. Unit Preventive Maintenance Checks and Services - continued

TM 10-3930-673-20-1

Table 2-1. Unit Preventive Maintenance Checks and Services (Continued)

Location

Item

Item to Check/

No.

Interval

Service

Procedure

TR00939

Quarterly

Lubricate boom extend chain sheave with GAA as required.

Semiannually

Remove rear boom cover and check all visible boom wear pads (front

and rear). Refer to Para 18-20 for inspection procedures.

Annually

Perform annual safety inspection in accordance with TB 43-0142,

Safety Inspection and Testing of Lifting Devices.

Quarterly

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.

Semiannually

Fuel Filters

Replace primary and secondary engine fuel filters. Refer to Para 5-15.

Weekly

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

65 psi).

Axle Carrier