Service Schedule - Kohler MPAC 1500 Manual

7.4

Service Schedule

Follow the service
recommended service intervals.
performed by an authorized distributor/dealer except for
activities designated by an X, which may be performed
by the switch operator.
System Component or Procedure
Electrical System
Check for signs of overheating or loose connections:
discoloration of metal, melted plastic, or a burning odor
Check the contactor's external operating mechanism
for cleanliness; clean and relubricate if dirty *
Inspect wiring insulation for deterioration, cuts, or
abrasion. Repair or replace deteriorated or damaged
wiring
Tighten control and power wiring connections to
specifications
Check the transfer switch's main power switching
contacts' condition; clean or replace the main contacts
or replace the contactor assembly as necessary
Control System
Exercise the generator set under load
Test the transfer switch's automatic control system
Test all indicators (LEDs) and all remote control
systems for operation
General Equipment Condition
Inspect the outside of the transfer switch for any signs
of excessive vibration, leakage, high temperature,
contamination, or deterioration *
Check that all external hardware is in place, tightened,
and not badly worn
Inspect the inside of transfer switch for any signs of
excessive vibration, leakage, high temperature,
contamination, or deterioration*
Check that all internal hardware is in place, tightened,
and not badly worn
* Service more frequently if the transfer switch is operated in dusty or dirty areas.
See Section: Read these sections carefully for additional information before attempting maintenance or service.
Visually Inspect: Examine these items visually.
Check: Requires physical contact with or movement of system components, or the use of nonvisual indications.
Adjust, Repair, Replace: Includes tightening hardware and lubricating the mechanism. May require replacement of components depending
upon the severity of the problem.
Clean: Remove accumulations of dirt and contaminants from external transfer switch's components or enclosure with a vacuum cleaner or by
wiping with a dry cloth or brush. Do not use compressed air to clean the switch because it can cause debris to lodge in the components and
cause damage.
Test: May require tools, equipment, or training available only through an authorized distributor/dealer.
Symbols used in the chart:
X= The transfer switch operator can perform these tasks.
D=An authorized distributor/dealer must perform these tasks.
S/M = Service Manual. An authorized distributor/dealer must perform
these tasks.
106 Section 7 Scheduled Maintenance
schedule below for
Have all service
the
See Visually
Section Inspect
Check
7.3.1 X X
7.3.1 X
7.3.1 X D
2 D
S/M D
7.2.1
7.2.2
X
2.5
2.4 X D
7.3.1 X
7.3.1 X X
7.3.2 D D
7.3.2 X D
W=Weekly
M=Monthly
Q=Quarterly
S=Semiannually (every six months)
Y=Yearly (annually)
Adjust,
Repair,
Replace Clean Test
D (clean
and lube)
D
D
D D
X
X
D D
X
X
D
D
Frequency
Y
Y
Y
Y
Y
W
M
Y
M
M
Y
Y
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