Periodic Inspection
87
1- Loosen the fixing bolt and use the adjusting nut to
change the chain tension.
2- After checking the bending of part A, tighten the bolt
and mount the side cover.
21. Adjusting the belts
Checking the belt tensioning wheel
Spark may be generated during operation
and cause fire if the belt tensioning wheel
is in contact with other parts (except the
belt).
[Precaution]
Check whether the belt tensioning wheel is in
contact with other parts before daily operation.
Adjust immediately in case of contact, and check
the internal bearing of belt wheel.
Cooling fan belt (engine)
Press the belt center with your finger to adjust the
deflection to 12.5
±
2.5mm.
<Adjusting>
1- Open the engine room cover.
2- Loosen the fastening bolt of generator.
3- Draw the generator to the direction of arrow to
tension the belt.
4- Tighten the fastening bolt.
Adjusting the tension of threshing clutch
belt
Put the threshing clutch lever to “ON” and check
whether the size of tension spring falls between 190
±
2mm.
<Adjusting>
1- Remove the two covers of engine rear side.
2- Put the threshing clutch lever to “ON”.
3- Loosen the lock nuts (2 pieces) of threshing clutch
lever, and use the tensioning screw to adjust the
spring length to 190
±
2mm, as shown below.
Adjusting the tension of header clutch belt
Put the header clutch lever slightly to “ON” and check
whether the tension spring size falls in 233±2mm.
Deflection 12.5±2.5mm
Engine fixing bolt
Lock nut
190
±
2mm
233±2mm
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Содержание AW70V
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