TM 9-6115-668-13
Table 4-3. Unit Preventive Maintenance Checks and Services for Generator Set 150 kW.
Item
Item to be
Not Fully Mission
No.
Interval
Checked or Serviced
Procedure
Capable if:
1
125
Engine Preheating Assembly
Check operation. Refer to paragraph
Diesel engine cannot
Hours
2.8
be preheated.
2
250
V Belts (Battery Charging
a. Check V belt tension and readjust
V belts are loose,
Hours/
Alternator)
if necessary. Check V belts for dam-
frayed, or damaged.
Semi
age, and replace defective V belts.
Annual
Refer to paragraphs 4.34 and 4.35.
b. Below 23 F (-5 C), install
V belts for winter operation. Refer to
paragraph 4.35.
3
250
Engine Oil
Change Engine Oil (Refer to para-
Class III oil leak.
Hours/
graph 2.3.3.3) for oil change intervals
Semi
under unusual conditions.
Annual
4
250
Oil Filter
Replace oil filter at every other oil
Class III oil leak.
Hours/
change, or at intervals of 250 hours or
Semi
less. Refer to paragraph 4.30.
Annual
5
250
Subcurrent Filter Assembly
Replace filter cartridge at every other
Class III oil leak.
Hours/
oil change, or when subcurrent filter
Semi
does not get hot during operation
Annual
(250 Hours or less). Refer to para-
graph 4.31.
6
250
Fuel Prefilter and Two Step
a. Clean or replace filter cartridges.
Diesel engine runs
Hours/
Fuel Filter Assembly
Refer to paragraph 4.32 and 4.33.
roughly with poor
Semi
output or any fuel
Annual
leak.
b. Bleed fuel filter after filter insets
Any fuel leak.
are cleaned or replaced. Refer to
paragraphs 4.38 and 4.39.
7
1000
Synchronous Generator
Lubricate bearings. Refer to para-
Hours/
Assembly
graph 4.7. Perform load bank proce-
Annual
dures in accordance with paragraph
5.53.
4-18 Change 2
