Illustration 118 g00633226
i03230758
Jacket Water Heater - Check
SMCS Code: 1383-535
Jacket water heaters help to improve startability in
ambient temperatures that are below 21 °C (70 °F).
All installations that require automatic starting should
have jacket water heaters.
Check the operation of the jacket water heater.
Check the operation of the circulation pump, if
equipped. For an ambient temperature of 0 °C
(32 °F), the heater should maintain the jacket water
coolant temperature at approximately 32 °C (90 °F).
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Magnetic Pickups - Clean/
Inspect
SMCS Code: 1907-040; 7400-070; 7400-040
Illustration 119 g00293335
Typical example
(1) Magnetic pickup
(2) Flywheel housing
Illustration 120 g00293337
Typical magnetic pickup
1. Remove magnetic pickup (1) from flywheel
housing (2). Check the condition of the end of the
magnetic pickup. Check for signs of wear and
contaminants.
2. Clean the metal shavings and other debris from
the face of the magnet.
3. Install the magnetic pickup and adjust the
magnetic pickup. Refer to the Service Manual for
the installation procedure.
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Overhaul Considerations
SMCS Code: 7595-043
Reduced hours of operation at full load will result in a
lower average power demand. A decreased average
power demand should increase both the engine
service life and the overhaul interval.
The need for an overhaul is generally indicated by
increased fuel consumption and by reduced power.
The following factors are important when a decision
is being made on the proper time for an engine
overhaul:
• The need for preventive maintenance
• The quality of the fuel that is being used
• The operating conditions
• The results of the S·O·S analysis
144
SEBU7125-13
Maintenance Section
Jacket Water Heater - Check
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