TM-5-3805-254-20-1

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL VOLUME 1 OF 2

JANUARY 1988

TM-5-3805-254-20-1 - Page 720 of 790

TM 5-3805-254-20-1

WATER PUMP BELT ADJUSTMENT

INITIAL SETUP:

Tools

Personnel Required

Extension, 6-inch, 1/2-inch drive

One

Gage, belt tension, 30 to 180 lb

(130 to 800 N.m)

Equipment Condition

Handle, ratchet, 1/2-inch drive

Socket, 7/8-inch, 1/2-inch drive

Left side hood panel opened (page 2-424).

Wrench, open-end, 1 1/16-inch

ACTION

LOCATION

ITEM

REMARKS

1.

Water pump (1)

Nut (2)

Using 1 1/16-inch open-end wrench,

loosen.

CAUTION

Do not overtighten adjusting screw.

Damage to water pump and idler pulley could occur.

2.

Adjusting screw (3)

Using 7/8-inch, 1/2-inch drive socket, 6-

inch extension, ratchet handle, and belt

tension gage, turn clockwise, tightening

idler pulley adjusting screw, to adjust idler

pulley to obtain 120 to 140 pounds (162.7

to 189.8 N.m) belt tension.

3.

Nut (2)

Tighten using 1 1/16-inch open-end

wrench.

2-636