Table 1. Operator Preventive Maintenance Checks and Services (PMCS) for D7F Tractor - Continued.

TM 5-2410-233-10

OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED

0012 00

Table 1. Operator Preventive Maintenance Checks and Services (PMCS) for D7F Tractor - Continued.

LOCATION

ITEM TO

ITEM

MAN-

CHECK/

NOT FULLY MISSION

NO.

INTERVAL

HOURS

SERVICE

PROCEDURE

CAPABLE IF:

WARNING

(Con't)

BE ALERT for personnel in the area while moving tractor to

perform inspection. While operator moves tractor, an assistant

must look for damage to sprocket segments. Ensure assistant is

clear, to the side of tracks, and all other personnel are clear of

the area. Failure to follow this warning may cause injury or

death.

f. Check sprocket segments

for Any sprocket segment is

missing or broken segments.

missing or damaged.

g. Check track tension as follows:

(1) Place a straight edge on top of

grousers, between idler and front

carrier roller.

(2) Measure track sag between

bottom edge of straight edge and

top of grouser, at midpoint

between idler and front carrier

roller.

(3) If sag, distance A, is 1 1/2 - 2 in.

(3.8-5.1 cm), track tension is

OK.

(4) Adjust track if too tight or too

loose (WP 0015 00).

STRAIGHT EDGE

GROUSER

FRONT CARRIER

IDLER

ROLLER

386-715

0012 00-22