CHAPTER 4: MAINTENANCE OF MAIN ENGINE FUEL, AIR INTAKE,
TM 9-2350-256-20
AND EXHAUST SYSTEMS
4 3 REPLACE/REPAIR ELECTRIC FUEL PUMP-Continued
6
Install new gasket (8), electric fuel pump (3), and ground cable (7) with 12 screws (5) and 12 new lockwashers (6).
7
Connect cable connector (4).
8
Connect fuel lines with reducers (1) and tee (2) to electric fuel pump (3) using sealant tape.
e.
TEST
1
Disconnect fuel tank supply hose quick disconnect (see paragraph 4-10). Open coupling valve to collect fuel in
suitable, 5-gallon (19-liter) container.
2
Turn MASTER switch and in-tank fuel pump switch to ON position (refer to TM 9-2350-256-10).
3
Time fuel flow into measured container.
4
Flow rate of 3 gallons per minute (11 liters per minute) is satisfactory. Replace electric fuel pump if rate of flow is
less than 3 gallons per minute (11 liters per minute).
NOTE
Follow-on maintenance:
Install intermediate rear left center floor plate (see paragraph 9-18)
4 4 REPLACE FUEL TRANSFER PUMP HOSES AND RELATED PARTS
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Tools:
Material/Parts:
Equipment Condition:
Tool kit, general mechanic's
Tape, sealant (Appendix D,
Right rear air inlet door opened
(Appendix C, item 53)
item 30)
(see paragraph 9-56)
Lockwashers (4) (Appendix G,
item 130)
4
10