GENERATOR SET TEST AND INSPECTION AFTER REPAIR OR
Section I. GENERAL REQUIREMENTS
Activities performing maintenance on any portion
The activity performing the repair or overhaul is
of the generator set must perform those tests and
responsible for the performance of all applicable
inspection required by the applicable component or
test and inspections specified herein.
system repair instruction.
b. Data plates and decals shall be free of paint
A complete visual inspection of the generator set
shall be made after the generator set has been over-
C. All gages must be free of dirt and moisture in
hauled/repaired in accordance with requirements
the interior of the gage. Gage markings must be
contained in this manual or referenced. Attention
legible and glass must not be cracked or broken.
shall be given to the following items:
d. Controls and switches must operate freely.
e. Attaching hardware and fittings shall be in-
a. Paint shall be uniform and free from runs,
stalled and tight.
sags, blisters, peeling, overspray and other imper-
f. The general appearance of the generator set
shall be in like new condition.
11-3. Operational Testing
a. Using the visual and operational check list
(Table 11-1) visually inspect and operationally test
the generator set for a minimum of four hours as
(1) 1/4 Hour Warm Up.
(2) 1 Hour 1/2 Load at .8 Power Factor.
(3) 2-1/4 Hours Full Load at .8 Power Factor.
(4) 1/4 Hour 125% Load at .8 Power Factor.
(5) 1/4 Hour Idle.
b. During the test period the following oper-
ational checks will be made.
(1) The proper operation of all components
under no load and full capacity load conditions.
(2) Proper function and adjustment of all in-
struments, controls and gages.
(3) Overheating, vibration and unusual
(4) Record voltage, current, powerfactor, fre-
quency and temperature readings at the above
(5) Check operation of control and protective
equipment while conducting the test run and when
the test run periods are completed and the load
gradually removed, shut down the unit, after the
1/4 hour idle period.
(6) Oil and fuel.
If during the operational test exces-
sive noise or vibration is observed or
any overheating or malfunctions
occur which may cause damage to the
equipment, stop operation immedi-
ately until necessary repairs are