TM-9-2320-280-20-2

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3

JANUARY 1996
TM-9-2320-280-20-2

  TM-9-2320-280-20-2 - Page 68 of 951

3-24. FUEL TANK MAINTENANCE (Cont’d)
TM 9-2320-280-20-2
3-46.2
Change 3
1.
Position fuel tank (5) under vehicle.
2.
Install jumper harness (6) on clamp (7) and bend clamp (7) up.
3.
Connect jumper harness leads 58J (8) and 28B (10) to body wiring harness (9).
NOTE
Use sealing compound on all vent line connector threads before installation.
3.1.
Connect vent line (4) to vent line housing (4.1).
4.
Connect vent line (4) to fuel tank (5) with clamp (3), washer (2), and locknut (1). Tighten locknut (1) to 6 lb-ft (8
N
•
m).
5.
Connect vent line (12) on fitting (11) on fuel tank (5).
NOTE
Apply adhesive to threads of capscrews.
6.
Install rear strap (23) on strap bracket (22) with capscrew (21), washer (20), and locknut (19). Tighten locknut (19) to
37 lb-ft (50 N
•
m).
NOTE
Ensure front straps are flush with fuel tank and to right side of dimple in
slot.
7.
Raise fuel tank (5) and install two support straps (24) to straps (17) and (23) with two capscrews (18), washers
(25), and locknuts (26). Do not tighten locknuts (26).
8.
Connect vent line (12) to tee (31) on vent line (38).
9.
Secure vent line (12) to body (34) with clamp (33) and screw (32).
10.
Connect fuel supply hoses (13) and (30) to fuel return and supply lines (16) and (15) and secure with clamps (14).
NOTE
Perform step 11 if vehicle is equipped with an arctic heater and/or
troop/cargo winterization kit.
11.
Connect fuel supply hose (29) to arctic heater and/or troop/cargo heater fuel supply line (27) and secure with clamp
(28).
NOTE
Ensure upper and lower straps are 1/2 in. (12 mm) apart after tightening
nuts. Straps should not touch when properly installed. Straps must be
replaced if upper or lower straps touch.
12.
Tighten locknuts (26) to 23-27 lb-ft (31-37 N
•
m).
13.
Connect vent line (38) to filler spout (39).
14.
Secure vent line (38) to body (34) with clamp (35), washer (36), capscrew (47), washer (36), and locknut (37).
f. Installation
4.1


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