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 70 of 828
TM 9–2350–311–20–2
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Cleaning of rack springs.
Wipe grease from rack springs (4).
WARNING
Failure to ensure proper installation of rack springs and plates could cause injury to personnel dur-
ing operation of breechblock.
3
Installation of rack springs.
(a)
Install rack springs (4) and stop plate (3), applying pressure with wooden handle or wooden dowel (item
40, Appx D).
(b)
Slide rack plate (2) forward over stop plate (3). Make sure plunger (1) pops into rearward hole, holding
rack plate securely.
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2
2
3
4
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