TP-5606 6/02 Scheduled Maintenance 3-15
Battery Charging
Rotating parts.
Can cause severe injury or death.
Operate the generator set only when
all guards, screens, and covers are in
place.
WARNING
Exposed moving parts can cause severe injury or death.
Keep hands, feet, hair, and clothing away from belts and
pulleys when unit is running. Replace guards, covers, and
screens before operating generator set.
The generator is equipped with a 40-amp, belt-driven
battery charging alternator. See Figure 3-14. It is
attached to the engine block by a bracket and serves to
keep the battery constantly charged. Be sure to observe
battery polarity when connecting the battery to the
generator set. The alternator requires no maintenance
other than maintaining belt tension. To adjust the
alternator belt tension, see “Belt Tension.”
1-933
1
1. Battery-Charging Alternator
Figure 3-14. Battery-Charging Alternator
Belt Tension
The tension of the alternator/fan belt should be adjusted
so that it can be depressed about 0.4--0.6 in. (10--15
mm) when finger pressure is applied. See Figure 3-15.
Use the following procedure to adjust the belt.
1. Adjusting Screw
2. Battery-Charging
Alternator Pulley
3. Pivot Screw
4. Check Alternator Belt
Tension Here
1
2
3
4
CN250000
Figure 3-15. Belt Tension
1. Disconnect battery, negative lead first.
2. Loosen pivot and adjusting screws.
3. While prying battery-charging alternator outward to
attain proper tension, tighten adjusting screw.
4. Tighten pivot screw.
5. Recheck and adjust as necessary.
6. Reconnect battery, negative lead last.
NOTE
Also, check fan belt for cracks or tears and replace
if necessary.
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