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 78 of 1275
TM 9-2350-311-20-1
2-15 PROCEDURES FOR SEMIANNUAL/ANNUAL SERVICES — CONTINUED
ITEM
NO.
11
12
TABLE 2-1 UNIT PMCS FOR M109A2/M109A3/M109A4/M109A5 HOWITZERS — CONTINUED
INTERVAL
Semiannual
Semiannual
ITEM TO BE
INSPECTED
Air Cleaner
Indicator
Battery
PROCEDURE
a. Check indicator casing (18) for damage and
corrosion.
b. Check that bracket (19) is secure.
c. Check nut (20) for tightness.
d. Check hose (21) for leaks.
Battery gasses can explode. Do not smoke,
have open flame, or create sparks around
battery. Severe injury may result due to
explosion.
a. Check and record specific gravity of each cell (para
8-28).
Specific gravity ranges:
Tropical electrolyte — 1.180 to 1.225
Temperate electrolyte — 1.225 to 1.280
b. Check electrolyte level; if low, add distilled water.
Check battery cables for frays, missing, or broken.
Clean top of batteries and coat terminals lightly with
grease (para 8-28).
NOT FULLY
MISSION
CAPABLE IF:
3. Specific
gravity is not
within set
standards.
3. One or more
batteries
Unserviceable.
Cables frayed,
missing or
broken.
2-30
WARNING
Back to Top
