TM-9-2350-311-20-1
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS
AUGUST 1994
TM-9-2350-311-20-1 - Page 87 of 1275
TM 9-2350-311-20-1
ITEM
NO.
29
INTERVAL
Annual
ITEM TO BE
INSPECTED
Transmission
Gearcase
PROCEDURE
f. Place combat override switch on (TM 9-2350-311-10)
and engage starter for 5 seconds or less. If starter does
not operate, troubleshoot starter protection circuit (para
3-3).
g. Release combat override switch to off. Release fuel
shutoff handle and attempt to start engine. If starter
engages before 2.0 to 2.8 minutes have elapsed since
step b, troubleshoot starter protection circuit (para 3-3).
WARNIN G
Oil is hazardous waste and must be
disposed of in accordance with local
procedures or direction of local Hazardous
Waste Management office.
Dry-cleaning solvent (P-D-680) is toxic and
NOT FULLY
MISSION
CAPABLE IF:
flammable. Wear protective goggles and
gloves and use only in a well ventilated area.
Avoid contact with skin, eyes, and clothes,
and don’t breath vapors. Do not use near
open flame or excessive heat. The
flashpoint for type #1 is 100°F (38°C) and for
type #2 is 138°F (59°C). If you become dizzy
while using dry-cleaning solvent, get fresh
air immediately and get medical aid. If
contact with eyes is made, wash your eyes
with water and get medical aid immediately.
CAUTIO N
Transmission holds approximately 48 or 56 qt
(45 or 53 L) of oil. Before draining, provide
enough container capacity to hold oil being
drained.
NOTE
Only drain if directed by Army Oil Analysis
Program (AOAP), this would be done while
powerplant is removed.
2-39
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