4.Operation
4
-
10
4.4.8 Check Belt Tension
Too tight belt tension could damage shaft and shorten bearing life. Too loose belt tension may result in
damaging belt earlier and machine components due to overheat.
1.
Check the alternator belt of cooling fan
(Procedure)
①
Adjust the tension by gradually
loosening the fastening bolt of the
alternator.
②
Visually check if there are any cracks or
tears in the belt.
③
Loosen the fastening bolt of the
alternator until the play of the belt
reaches 10 to 15mm[98N(10kgf)] when
pushed by fingers, and adjust it.
④
Be careful not to leave any grease or
LLC on a belt while changing it. If any
such material is left, wipe it off
completely.
2.
Check the water pump belt
(Procedure)
①
After loosening the nut fixing the tension pulley,
adjust the belt by moving the pulley with the
adjusting bolt.
②
While adjusting the belt tension, check it for
any crack or wear, and if any fault is found,
replace it.
③
Be careful not to leave any grease or LLC on a
belt while changing it. If any such material is
left, wipe it off completely.
Then check the deflection of
the belt and make sure that
it shall be 10 to 15mm.
Depress the middle of
The belt with a finger
Tension pulley
Alternator
Water pump
Adjusting bolt
TR0426
TR0427
Adjust the belts
Attachment nut
Summary of Contents for PDSE900S-4B1
Page 1: ......
Page 60: ...8 Specifications 8 2 8 2 Outline drawing A040390 1 A070197...
Page 61: ...9 Wiring Diagram 9 1 A090360E...
Page 62: ...10 Piping Diagram 10 1 10 1 Compression air Compressor oil PDSE900S PDSF830S 4B1 A070141E 2...
Page 63: ...10 Piping Diagram 10 2 PDSG750S 4B1 A070220E 2...
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