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 331 of 828
TM 9–2350–311–20–2
Change 2
6–15
1
Turn CAB POWER switch (1) and MASTER switch (2) to OFF and ELEVATION CONTROL switch (3) to
No. 1 MAN position.
2
Lower travel lock and unlock turret lock (TM 9-2350-311-10).
3
Turn MASTER switch (2) and CAB POWER switch (1) to ON. Put ELEVATION CONTROL switch (3) in
GUNNER position. Fully depress cannon tube (-53 mils).
4
Check equilibrator valve knob (4) to make sure it is closed.
5
Place utility pail under drain tube (5). Open drain valve knob (6) on equilibration manifold assembly (7).
When hydraulic fluid stops flowing through drain tube, close drain valve knob to shut off drain.
1
3
4
7
5
6
2
Back to Top
