TP-5977 7/98 Scheduled Maintenance 11
3.8.3 High Engine Temperature Shutdown
The engine automatically shuts down 10-20 seconds
after the engine temperature reaches 218_F (103_C).
Correct the cause of the shutdown or wait until the
engine has cooled and the controller reset before
restarting the generator set.
NOTE
The high engine temperature (HET) shutdown is not a
low coolant level switch. Maintain engine coolant level
for the HET shutdown switch to function.
1
ADV-5687-C
1. High engine temperature sender
Figure 3-8. High Engine Temperature Shutdown
3.9 Belt Tension
Check the belt tension at the interval specified in the
service schedule. If tension is not within specification
given in the engine operation manual, adjust as
necessary using the following procedure.
1. Place the generator master switch in the STOP
position.
2. Disconnect the generator set engine starting
battery, negative (--) lead first.
3. Position the belt tension tool on the drive belt and
check the tension according to the instructions of
the tool manufacturer. See Figure 3-9.
1
5405316
1. Belt tension tool
Figure 3-9. Adjusting Belt Tension
4. Loosen the alternator mounting hardware if the
tension is not set to specifications.
5. While prying the alternator outward, tighten
alternator adjusting hardware.
6. Recheck and adjust as necessary.
7. Reconnect the generator set engine starting
battery, negative (--) lead last.
3.10 Battery
Consult battery manufacturer’s instructions regarding
battery care and maintenance.
Sulfuric acid in batteries.
Can cause severe injury or death.
Use protective goggles and clothes.
Battery acid can cause permanent
damage to eyes, burn skin, and eat
holes in clothing.
WARNING
Battery acid. Sulfuric acid in batteries can cause severe
injury ordeath. Sulfuric acid in batterycan cause permanent
damage to eyes, burn skin, and eat holes in clothing. Always
wear splash-proof safety goggles when working near the
battery. If battery acid is splashed in the eyes or on skin,
immediately flush the affected area for 15 minutes with large
quantities of clean water. Seek immediate medical aid in the
case of eye contact. Never add acid to a battery afterplacing
the battery in service, as this may result in hazardous
spattering of battery acid.
Battery gases. Explosion can cause severe injury or
death. Batterygases cancause anexplosion. Donotsmoke
or permit flame or spark to occur near a battery at any time,
particularly when it is charging. Avoid touching terminals with
tools, etc., to prevent burns and sparks that could cause an
explosion. Remove wristwatch, rings, and any other jewelry
before handling battery. Never connect negative (--) battery
cabletopositive(+)connectionterminalofstartersolenoid. Do
not test battery condition by shorting terminals together.
Sparkscould ignitebatterygasesorfuel vapors. Ventilateany
compartment containing batteries to prevent accumulation of
explosive gases. To avoid sparks, do not disturb battery
charger connections while battery is charging. Always turn
battery charger off before disconnecting battery connections.
Remove negative (--) lead first when disconnecting battery.
Reconnect negative (--) lead last when reconnecting battery.
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