TM-5-3805-254-14-P-2

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

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 408 of 894

TRUCK SERVICE MANUAL

ENGINE

2. Align capscrew holes and install pulley and vibration

damper assembly to crankshaft, tap into position with soft

hammer. Coat capscrews with clean lubricating oil,

secure pulley and damper assembly to crankshaft torque

to 85 ft-lb. [11.8 kg m].

Note:

Check capscrew marking, if ’1/2 inch Grade 8

capscrews are used tighten capscrews to 115 to 125 ft-

lb. [15.9 to 17.3 kg m] torque. If 5/8 inch Grade

capscrews are used tighten to 210 to 240 ft-lb. [29.0 to

34.0 kg m] torque. See Capscrew Markings and Torque

Values,

3. If vibration damper was removed from pulley, wipe

mating surface of damper and pulley clean, position

damper to pulley, install and torque capscrews to 85 ft-lb.

[11.8 kg mi.

4. Check damper for eccentricity and wobble as

described in Step 5 preceding.

Accessory Drive Pulley

Note:

Remove pipe plug in gear cover, check to make

sure timing marks are lined up, Fig. 14-22. Replace pipe

plug.

1. Install oil slinger over accessory drive shaft, with key

and keyway seal, if used, on accessory drive shaft.

Lubricate shaft with clean lubricating oil, start accessory

drive pulley over shaft and key; use ST-386 to position

pulley on shaft.

2. Remove ST-386; install flatwasher and pulley nut.

Torque nut to 90 to 110 ft-lb. [12.4 to 15.2 kg ml]