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TM10-3930-660-34
4-3. FUEL INJECTOR - TEST/REPLACE
This task covers:
a. Removal
b. Cleaning and Inspection
c. Testing
d. Installation
Initial Setup
Materials/Parts
Tools
Anti-Seize Compound (App. B, Item 3)
Tool Kit, Automotive Mechanics
Banjo Connector Seal (10)
Copper Injector Seals (13)
Shop Equipment, Automotive
Diesel Fuel Oil (App. B, Item 17)
Maintenance, Common #2 Less
Grommet Seal (11)
Power
Rust Penetrating Solvent (App. B,
Item 51)
Tool Kit, Machinist: Post, Camp
and Station
Test Set, Diesel Injector
Equipment Condition
Engine shut off and cooled to
near ambient temperature.
Negative battery cable disconnected,
TM10-3930-660-20.
REMOVAL
1. SHUT OFF ENGINE AND ALLOW ENGINE TO
COOL TO NEAR AMBIENT TEMPERATURE.
2. DISCONNECT FUEL SUPPLY TUBES (1-6)
FROM INJECTORS. POSITION LINES CLEAR
OF INJECTORS WITHOUT PUTTING KINKS
IN LINES.
3. LOOSEN NUT (7) TO REMOVE FUEL MANIFOLD
(8) FROM TEE FITTING.
4. REMOVE SIX BANJO CONNECTOR SCREWS (9)
AND FUEL MANIFOLD (8).
5. REMOVE AND DISCARD SIX BANJO
CONNECTOR SEALS (10) AND GROMMET SEAL
(11).
6. CLEAN AREA OF CYLINDER HEAD AROUND
INJECTORS (12) WITH A SOFT BRUSH AND
LOW PRESSURE COMPRESSED AIR.
4-5
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