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 184 of 1275

TM9-2350-311-20-1
3-3 TROUBLESHOOTING CHART — CONTINUED
f.
TRANSMISSION AND DRIVING CONTROLS —
(1) TRANSMISSION OVERHEATS; TRANSMISSION OIL
CONTINUED
TEMPERATURE GAGE READS OVER 270°F
(132°C), MASTER WARNING LIGHT IS LIT –
CONTINUED
CONTINUED FROM STEP A
Bring transmission oil to proper level
(TM 9-2350-311-10).
NOTE
If oil level is low, check transmission
seals, plugs, gaskets, and lines for oil
leaks. Correct cause of leaks if within
scope of unit maintenance. If repairs
are beyond scope of unit maintenance,
notify support maintenance.
Check transmission oil cooler lines for leaks or
restrictions (para 9-4).
I
I
Are transmission oil cooler lines free of leaks and
restrictions?
I
Tighten lines that leak. If leak persists,
repair or replace restricted lines (para 9-4).
Troubleshoot transmission oil temperature
indicator circuit (para 3-3p).
I
Is transmission oil temperature indicator circuit
operating properly?
as required (para 8-12).
Repair or replace transmission oil
temperature indicator circuit components
CONTINUED ON NEXT PAGE
3-8 4


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