8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
126
Pub. No. 291Y1-40720 Revision: 5
Inspection and Maintenance -
Prepare (with Engine Switched
OFF)
1 Operate the stop switch of the
generator "
Starting and Stopping
Devices Installed during
Manufacturing the Generator" (→
Page 86) to turn off the engine.
2 Make sure with the thermometer
(thermo gun) that the surface of the
engine is cooled down so that you
can touch.
3 Conduct lockout/tagout. "
Lockout/
Tagout" (→ Page 60)
Engine Body - Check
• Devices and equipment outside the
scope of our supply are included in the
facility. For the details, refer to such a
document as the specification sheet
prepared by the generator supplier.
• For the devices and equipment outside
the scope of our supply, refer to the
corresponding manual of the generator
and the supplier's operation manual.
Belt - Check
Check each belt for the crankshaft pulley or
alternator in the engine.
Be sure to lockout/tagout before
starting inspection and maintenance
work.
* Unexpected startup of the engine may cause
serious personal injury or damage to the
devices.
Be sure to establish zero energy state
before starting inspection and
maintenance work.
* Unexpected activation of the devices may result
in serious injury or damage to the devices.
Stay away from rotating parts during
operation.
* Otherwise you may get caught in the rotating
parts and seriously injured.
Keep the belt for the crankshaft
pulley or alternator free from oil and
grease.
* Otherwise, a slip may occur, which shortens the
service life of the belt.
Check each belt status such as
tension and damage of the crankshaft
pulley or alternator.
* If the belt has been stretched, the battery
cannot be charged and DC power supply will be
lost.
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