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 137 of 775

TM 9-2350-311-10
Interval
Before
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR M109 SELF-PROPELLED HOWITZER — CONTINUED
Location
Item to Check/
Service
M118A2/M118A3
Elbow Telescope
(M118 Series)
(Cont)
Crewmember
Procedure
ASSISTANT GUNNNER
b. Check level vial (3), making sure it is legible
and free of cracks or breaks. Check to see that
knobs (4) move freely and level vial mirror (5) is
not scratched. Ensure that variable resistor
knob (6) moves freely and that light goes from
dim to bright and from bright to dim.
Not Fully Mission
Capable If:
2-49


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