TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 133 of 764
TM 9-2320-361-34
5-2. FUEL INJECTOR NOZZLE AND HOLDER REPLACEMENT(Contd)
WARNING
Diesel fuel is flammable. Do not perform fuel system procedures
near open flame. Injury to personnel may result.
CAUTION
Cap or plug all openings immediately after disconnecting lines and
hoses to prevent contamination. Remove caps or plugs prior to
installation. Failure to do so may result in damage to equipment.
NOTE
All fuel injector nozzle and holder assemblies are removed and
installed basically the same. This procedure covers no. 4 cylinder
injector nozzle.
1. Loosen tube nut (12) on fuel injector tube (6) and disconnect from fuel injector nozzle (4).
2. Remove locknut (11), screw (9), washer (8), two retainers (7), and cushions (10) from injector
tubes (5) and (6). Discard locknut (11).
3. Remove two screws (1), lockwashers (2), fuel injector holder (3), and fuel injector nozzle (4) from
engine (13). Discard lockwashers (2).
4. Remove dust seal (14) from fuel injector nozzle body (15). Retain dust seal (14) if serviceable.
For fuel injector nozzle cleaning, inspection, and repair procedures, refer to TM 9-2815-210-34-2-2.
c.
Installation
a. Removal
b. Repair
1.
2.
3.
4.
5.
6.
5-2
Apply a coat of silicone compound to fuel injector nozzle body (15).
Install dust seal (14) onto fuel injector nozzle body (15).
Install fuel injector nozzle (4) and holder (3) into engine (13) with two new lockwashers (2) and
screws (1).
Evenly tighten two screws (1) 13-15 lb-ft (17-20 N.m).
Connect fuel injector tube (6) to fuel injector nozzle (4) with tube nut (12).
Install two cushions (10) and retainers (7) on fuel injector tubes (5) and (6) with washer (8),
screw (9), and new locknut (11).
Back to Top
