Table 2-1. Operator's Preventive Maintenance Checks and Services (PMCS)

TM 9-2330-385-14

2-7. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES

(PMCS) (CONT).

Table 2-1. Operator's Preventive Maintenance Checks and Services (PMCS) - CONT.

Location

Item to

Interval

Procedure

Not Fully Mission

Item

Check/Service

Capable If:

No.

S Do not increase engine speed above 1200 RPM, PLS, or

HEMTT, or pull trailer more than 2 ft. (61 cm). Failure to

comply may result in damage to equipment.

S Trailer must be unloaded prior to performing brake test. Failure

to comply may result in damage to equipment.

NOTE

Trailer air system must be fully charged to 120 psi (827 kPa).

Before

Brakes

a. Check operation of trailer handbrake

control (2.1) by connecting trailer to towing

(1) With engine at idle, apply service brake

pedal (2.2).

(2) Engage transmission range selector to

Drive (D).

(3) Fully apply trailer handbrake control

(2.1).

(4) Release service brake pedal (2.2).

(5) Gradually increase engine speed to 900

RPM for PLS or 1100 RPM for HEMTT.

(6) Trailer brakes should hold truck in

Trailer brakes do not

hold truck in place.

place.

(7) Reduce engine rpm to idle.

(8) Apply service brake pedal (2.2).

(9) Release trailer handbrake control (2.1).

2-8