TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 68 of 828
TM 9–2350–311–20–2
Change 2
2–7
Service Upon Receipt Checklist – M109 Howitzer Series Cab
LOCATION
ITEM
ACTION
REMARKS/REFERENCES
Cab
1.
Armament Cannon Assembly,
Clean surface to remove
para 2–4.2
155mm, M185 or M284
rust-preventive compounds.
2. Surfaces (Interior/Exterior)
Inspect for rust or damage
para 2–13
which could render the unit
unserviceable.
3. Panoramic Telescope
Uncrate and install panoramic
Chapter 16
Ballistic Cover
telescope ballistic cover.
4. M42 Tank Periscope
Check for evidence of moisture;
TM 750–116
purge and charge if required.
5. M145/M145A1 Panoramic
Check counter box area for
TM 750–116
Telescope Mount
evidence of moisture; purge if required.
Check for illumination.
TM 9–2350–311–10
Check synchronization.
para 18–4
6. M15 Elevation Quadrant
Check counter box area for
TM 750–116
evidence of moisture;
purge if required.
Check for illumination.
TM 9–2350–311–10
7. M117/M117A2 Panoramic
Check main telescope and
TM 750–116
Telescope
counter box area for evidence
of moisture; purge and
charge if required.
Check for illumination.
TM 9–2350–311–10
8. M118A2/M118A3 Elbow
Check for evidence of moisture;
TM 750–116
Telescope
purge and charge if required.
Check for illumination.
TM 9–2350–311–10
9. Main Accumulator and
Check hydraulic fluid level and
para 6–2
Power Pack Assembly
system pressure.
10. Cab Traverse, Howitzer
Check operations.
para 2–6
Elevation, and Rammer
Systems.
11. Buffer Rod
Inspect forward section of counter-
para 5–17
recoil buffer rod. Clean off all
foreign matter.
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