TM 5-3805-254-20-1
PREHEATER PRIMER PUMP FUEL LINES AND FITTINGS
This task covers:
a. Removal (page 2-488)
d. Inspection/Replacement (page 2-498)
b. Disassembly (page 496)
e. Assembly (page 2-500)
c. Cleaning (page 2-497)
f. Installation (page 2-502) ,
INITIAL SETUP:
Tools
Personnel Required
Extension, 6-inch, 1/2-inch drive
Two
Goggles, safety
Gun, air blow
Equipment Condition
Handle, ratchet, 1/2-inch drive
Hose, air, assembly
Battery cables disconnected (page 2-424).
Pan, drain, 2-gallon
Instrument panel pad removed (page 2-424).
Socket, 7/16-inch, 1/2-inch drive
Right side instrument panel opened
Socket, deep, 1-inch, 1/2-inch drive
(page 2-424).
Wrench, box-end, 7/16-inch
Engine cover removed (page 2-1270).
Wrench, open-end, 7/16-inch
Left side cab door opened (page 2-424).
Wrench, open-end, 1/2-inch
Right and left side hood panels opened
Wrench, open-end, 9/16-inch (two
(page 2-424).
required)
Wrench, open-end, 1-inch
References
Wrench, open-end, 1 1/8-inch
TM 9-247 (Authorized Cleaning Methods)
Materials/Parts
Detergent, liquid, GP (item 7, appendix C)
Tags, marker (item 21, appendix C)
Lockwasher, bracket
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
WARNING
Diesel fuel burns easily. Do not smoke or allow flames nearby. Disconnect batteries when
working on fuel system. Failure to observe these precautions could cause serious injury or death
to personnel.
1.
Bottom of fuel
Fuel hose (2) and
a. Place 2-gallon drain pan underneath.
pump (1)
90 elbow
b. Using 1/2-inch and 9/16-inch open-
fitting (3)
end wrenches, unscrew fuel hose.
2-488
