TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 710 of 1015
TM 9-2320-272-24-1
3-129. GROUND STRAP REPLACEMENT (Contd)
c. Ground Strap (M939A2) Removal
1.
Remove nut (1), washer (2), lockwasher (12), ground strap (5), lockwasher (11), and screw (9) from
frame rail (10). Discard lockwashers (12) and (11).
2.
Remove screw (6), washer (7), ground strap (5), three wires (8), and lockwasher (4) from engine
block (3). Discard lockwasher (4).
3.
Remove nut (20), lockwasher (21), screw (25), washer (24), ground strap (17), and lockwasher (23)
from frame rail (22). Discard lockwashers (21) and (23).
4.
Remove nut (14), lockwasher (15), screw (19), washer (18), ground strap (17), and lockwasher (16)
from hood (13) Discard lockwashers (15) and (16).
5.
Remove screw (35), lockwasher (33), clamp (36), ground strap (29), and bracket (34) from firewall (32).
Discard lockwasher (33).
6.
Remove screw (31), washer (30), ground strap (29), lockwasher (28), temperature sensor (27), and
washer (26) from engine block (3). Discard lockwasher (28).
d. Ground Strap (M939A2) Installation
1.
2.
3.
4.
5.
6.
Install washer (26), temperature sensor (27), new lockwasher (28), ground strap (29), washer (30),
and screw (31) on engine block (3).
Install bracket (34), ground strap (29), clamp (36), new lockwasher (33), and screw (35) on firewall (32).
Install new lockwasher (16), ground strap (17), washer (18), screw (19), new lockwasher (15), and
nut (14) on hood (13).
Install new lockwasher (23), ground strap (17), washer (24), screw (25), lockwasher (21), and nut (20)
on frame rail (22).
Install new lockwasher (4), three wires (8), ground strap (5), washer (7), and screw (6) on engine
block (3).
Install new lockwasher (11), ground strap (5), new lockwasher (12), screw (9), washer (2), and nut (1)
on frame rail (10).
3-346
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