TM 5-3805-254-14&P-2
TRUCK SERVICE MANUAL
ENGINE
Accessory Drive Pulley
After removing locking nut and washer, use ST-647 Puller to
remove pulley. Remove shaft key and oil slinger.
Aneroid Control
Disconnect air and fuel lines. Aneroid and mounting bracket
may be removed as an assembly, if so desired.
Fuel Pump
1. Remove fuel supply and drain lines from fuel pump
and cylinder head.
2. Remove fuel pump from hydraulic governor drive or air
compressor. Lift out drive buffer or splined coupling as used.
3. Cover fuel pump connections to prevent entrance of
dirt.
Fig .08, (N10056) .
Engine mounted on stand
Air Compressor or Hydraulic Governor
Compression Release Lever
Remove air compressor and/or hydraulic governor, lift out
Remove spring, link, bracket and lever from compression
splined drive.
release shaft.
Fuel Pump/Compressor Drive
Vibration Damper and Pulley Vibration damper and pulley
After removing capscrews it may be necessary to tap
combination may be removed as an assembly by removing
assembly lightly with a soft hammer or wooden block to
capscrews securing pulley to crankshaft. Fig. 0-9.
loosen; remove drive.
Lubricating Oil Filter
Lubricating Oil Pump
Rocker Housing Covers And Rocker Housings
CAUTION
Do not damage or mutilate injector adjustment
procedure decal while removing rocker housing
cover.
Push Tubes
It is recommended posh tube be marked for position as
removed, so they can be replaced in same mating cam
follower if reused.
Valve Crossheads
Fuel Connectors
Fig . 09, (N 10093) .Removing vibration damper - Viscous type
Injectors
CAUTION
Remove injector hold-down plate, use ST-1147 Injector
Pounding or prying must not be resorted to in
Removal Tool to remove injectors from cylinder head.
removing the Viscous type damper. Denting the outer
shell may render the damper ineffective.
Front Engine Support
Two types of front engine supports are used on 855 C.I.D.
engines. Trunnion supports are normally left in the engine
chassis.
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