Table 1. Unit Maintenance Preventive Maintenance Checks and Services (PMCS) for the D7F Tractor. (Cont)

TM 5-2410-233-23

UNIT MAINTENANCE PREVENTIVE MAINTENANCE CHECKS AND

SERVICES (PMCS) - CONTINUED

0009 00

Table 1. Unit Maintenance Preventive Maintenance Checks and

Services (PMCS) for the D7F Tractor - Continued.

LOCATION

ITEM TO

CHECK/

ITEM

MAN-

SERVICE

NO.

INTERVAL

HOURS

PROCEDURE

g. Clean battery terminals with a fine grade of sandpaper or emery

cloth (Item 5, WP 0184 00).

(Con't)

h. Ensure all battery filler caps are present.

i. Remove filler caps and check electrolyte level in each battery

cell. Electrolyte level should be up to triangle in filler openings.

Add distilled water as required and reinstall filler caps snugly.

CAUTION

If battery requires charging, never exceed a charging volt-

age of 16 volts. Too much voltage will cause serious damage

to battery.

j. Check state of charge of battery, using a digital voltmeter (TM 9-

6140-200-14). A reading of 12.4 volts or more indicates battery is

sufficiently charged. If reading is below 12.4 volts, recharge bat-

tery.

k. Check specific gravity of electrolyte IAW TM 9-6140-200-14.

l. Connect battery cables (WP 0080 00).

Remove floor plates to access driveshaft and U-joints (WP 0135

0.5 Hours Driveshaft

1000 Hours

00).

and U-Joints

or Semi-

annual

Inspect driveshaft for bends, cracks and twisted condition.

Inspect U-joints for bends or cracks, play and broken or missing

grease fittings. There must be no play in U-joints.

Apply GAA grease (Item 15, WP 0184 00) to grease fitting at

each U-joint.

GAA

387-100

0009 00-8