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 90 of 1275
2-15 PROCEDURES FOR SEMIANNUAL/ANNUAL SERVICES
— CONTINUED
TABLE 2-1 UNIT PMCS FOR M109A2/M109A3/M109A4/M109A5 HOWITZERS — CONTINUED
NOT FULLY
ITEM
ITEM TO BE
MISSION
NO.
INTERVAL
INSPECTED
PROCEDURE
CAPABLE IF:
34
Annual
Engine Governed
Test engine for acceleration and power in each gear.
If governed
Speed and
While testing in first gear, accelerate with wide open
speed under
Performance
throttle from low speed to top speed. Governed speed
load exceeds
under load should not exceed 2300 rpm. Maximum
2300 rpm.
speeds are as follows:
1 st
6 mph
10 km/h
2nd
9 mph
14 km/h
3rd
24 mph
39 km/h
4th
35 mph
56 km/h
R1
5 mph
8 km/h
R2
7 mph
11 km/h
35
Annual
Leakage from
Inspect all areas inside and outside of vehicle for fuel or
Any fuel or class
Powerplant or Cab
oil leaks.
Ill leaks.
Hydraulic
Systems
2-15.9 PMCS Parts List
The following parts are required when performing semiannual, annual, or on-condition PMCS. The semiannual/annual
parts list contains the mandatory replacement parts for one semiannual PMCS or one annual PMCS. The on-condition
parts list contains replacement parts that are required when engine and transmission oil changes are directed by the
AOAP Laboratory. If AOAP Laboratory support is not available, change oil and filter elements/gaskets every 1500 miles
(2414 km) or 150 hours.
SEMIANNUAL (1 500 MILES [2414KM] OR 150 HOURS)/
ANNUAL (3000 MILES [4828 KM] OR 300 HOURS) PARTS LIST
ITEM
NO.
1
2
3
4
5
6
7
PART NUMBER
5575032
CW226MP
5574161
10861673
7413738
7413775
7413774
NSN
NOMENCLATURE
Filter element
Filter element
Gasket
Strainer element
Packing, preformed
Strainer element
Gasket
QTY
1
1
1
1
1
1
1
2-42
TM 9-2350-311-20-1
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