TM-9-2320-279-20-3
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 3 OF 3
TM-9-2320-279-20-3 - Page 441 of 615
TM 9-2320-279-20-3
M978 Tanker Maintenance Instructions (Cont)
a.
Removal
WARNING
Before entering tank, be sure to read
and follow all safety precautions in
FM 10-71. Liquids and vapors
carried in the M978 tanker are
flammable and may cause injury or
death.
NOTE
Tag and mark hoses, elbows, and fittings
before removal.
(1)
Loosen three nuts (1) and remove
hoses (2) from elbows (3).
(2)
Remove two screws (4) and V19 jet
level sensor (5) from bracket (6).
(3)
Remove two nuts (7), lockwashers (8),
screws (9), and bracket (6) from tank
bracket (10).
(4)
Remove three elbows (3) from V19 jet
level sensor (5).
(5)
Remove clamp (11) and drop tube (12)
from bottom of V19 jet level sensor (5).
b. Installation.
(1)
Install drop tube (12) end clamp (11) on bottom of V19 jet level sensor (5).
WARNING
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful vapors,
and are harmful to skin and clothing. lb avoid injury or death, keep away from open fire
and use in well-ventilated area. If adhesive, solvent, or sealing compound gets on skin or
clothing, wash immediately with soap and water.
(1.1)
Apply pipe thread sealing compound to threads of three elbows (3) and install in VI9 jet level
sensor (5).
(2)
Install b
racket (6) on tank bracket (10) with two screws (9), lockwashers (8), and nuts (7).
(3)
Install V19 jet leve1 sensor (5) on bracket (6) with two screws (4).
(4)
Install three hoses (2) on elbows (3). Tighten three nuts (1).
c. Follow-on Maintenance.
(1)
Install tank filler lid (para 16-49).
(2)
Perform bottom loading (TM 9-2320-279-10).
(3)
Check that fuel flow stops when V12 bottom load PRECHECK VALVE is open and continues
when valve is closed (TM 9-2320-279-10).
END OF TASK
Change 3
25-145
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