TM-9-2910-226-34
PUMP, FUEL, METERING AND DISTRIBUTING, ASSEMBLY
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT, MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS
JUNE 1974
TM-9-2910-226-34 - Page 46 of 208
TM 9-2910-226-34
CHAPTER 3
REPAIR OF FUEL INJECTION PUMP
Section I. GENERAL
3-1. Removal and Installation.
Refer to TM 9-2815
210-34 and TM 9-2815-204-34 for instructions
covering the removal and installation of the metering
and distributing fuel injection pump assembly. Refer
to TM 9-2815-210-34P for procurement of cap plug
set, FSN. 5340-450-5718, for covering fuel system
openings.
3-2. Cleaning Before Disassembly.
CAUTION
Absolute cleanliness of fuel pump parts must
be maintained during all disassembly, in-
spection, repair, and assembly procedures.
Dust, dirt, grime, or any abrasive matter
must not come in contact with precision
lapped surfaces of internal parts.
a.
Clean the fuel injection pump externally before
disassembly procedures start. The external cleaning
procedures listed in
b
and c below are recommended
for all fuel injection pumps.
b.
Cover or plug all threaded ports and openings
to prevent entrance of foreign matter during external
cleaning operations.
c.
Use volatile mineral spirits paint thinner or dry
cleaning solvent and scrub the pump with a soft
bristle brush to remove all external accumulation of
grease, dirt, or other foreign matter.
Section Il. DISASSEMBLY OF FUEL INJECTION PUMP INTO SUBASSEMBLIES
3-3. General.
a.
Disassemble the metering and
3-4. Removal of Fuel Supply Pump Assembly.
Refer
distributing fuel injection pump in figure number
to figure 3-1. Remove two machine screws (B), lock-
sequence.
washers (C), and remove the fuel supply pump
b.
All packings, gaskets, and sealing rings must
assembly (D). Remove and discard supply pump
be discarded during disassembly to insure
gasket (E).
replacement.
c.
Do not remove any hose or tube fittings unless
there is evidence of leakage or darn age.
3-0
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