TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 182 of 775
TM 9-2350-311-10
Item
No.
74
75
Interval
Monthly
Quar-
terly
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR M109 SELF-PROPELLED HOWITZER - CONTINUED
Location
Item to Check/
Service
Traversing
Mechanism
Assembly
Variable
Recoil
Assembly
2-86.2 Change 2
Crewmember
Procedure
GUNNER
Position howitzer on a 5° slope or canted 90 mils,
by using blocks under one side of the track assem-
bly. When howitzer is canted, traverse in the direc-
tion of the low side in power and switch to manual
traverse to check the traversing no-back bearing
unit.
CHIEF OF SECTION
Inspect and service as follows:
a. Remove six machine bolts (1), six lockwashers
(2), and six flat washers (3) from variable recoil
access cover (4).
b. Remove four machine bolts (5), four lockwash-
ers (6), and four flat washers (7) from dust
shield (8).
Not Fully Mission
Capable If:
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