Kohler 10EOZ, Manual

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TP-6053 7/04 22 Section 5 Cooling System
5.8 Belt Tension
Rotating parts.
Can cause severe injury or death.
Operate the generator set only when
all guards, screens, and covers are in
place.
WARNING
Servicing the generator set when it is operating. Exposed
moving parts can cause severe injury or death.
Keep
hands, feet, hair, clothing, and test leads away from the belts
and pulleys when the generator set is running.
Replace
guards, screens, and covers before operating the generator
set.
Check the belt tensions at the interval specified in the
service schedule. If the tensions are not within
specifications, adjust as necessary using the following
procedure.
Belt Tensioning Procedure
1. Stop the generator set.
2. Disconnect the generator set engine starting
battery, negative (--) lead first.
3. Remove the belt guard.
4. Check the belt tension at the midpoint of the
longest span of the belt by pressing the belt with
your finger and measuring the resulting deflection.
See Figure 5-6 and Figure 5-7. If the belt is not
within specifications, go to step 5. If the belt is
within specifications, go to step 9.
5. Loosen the adjusting arm pivot screw, alternator
pivot screw, and alternator adjusting screw.
6. While prying the alternator outward, tighten the
alternator screw.
7. Tighten the adjusting arm pivot screw and
alternator pivot screw.
8. Recheck and adjust the belt tension as necessary.
9. Replace the belt guard.
10. Reconnect the generator set engine starting
battery, negative (--) lead last.
Belt Type Deflection mm (in.) Force (kgf) N
New (7--9) 0.3--0.4 (10) 98
Used (10--15) 0.4--0.6 (10) 98
Figure 5-6 Belt Specifications
10
9
8
7
6
5
4
1
2
3
TP-5586-3
1. Adjusting arm pivot screw
2. Battery charging alternator pulley
3. Adjusting screw
4. Alternator pivot screw
5. Check alternator belt tension here
6. Crankshaft pulley
7. Check seawater pump belt tension here
8. Adjusting screw
9. Seawater pump pulley
10. Pivot screw
Figure 5-7 Belt Tension, Typical