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Repair
Drive Pulley Replacement
The drive pulleys must be replaced to change between
high speed and standard speed.
Before changing the drive pulleys, follow Drive Belt
Replacement or Hydraulic Belt Replacement (Electric
Models only), page 22, to remove and replace the belt
cover, drive belt, and drive pulleys from the machine.
Flail drums must be used only on standard speed
machines. Using flail drums on high speed machines
will damage the drum and may cause serious injury.
Gas/Propane Models
Standard Speed: Use the 28-tooth pulley on the engine
shaft and the 56-tooth pulley on the drum shaft. Use the
1120 mm belt.
High Speed: Use the 48-tooth pulley on the engine shaft
and the 48-tooth pulley on the drum shaft. Use the 1160
mm belt.
For parts diagrams, see Parts - Pulley Assemblies
(Gas), page 48, and Parts - Pulley Assemblies
(Propane), page 56.
CARBIDE/
STEEL FLAIL
CARBIDE/
STEEL FLAIL
24
✓
PCD/
DIAMOND
✓
PCD/
DIAMOND
Electric Models
Standard Speed: Use the 48-tooth pulley on the motor
shaft and the 56-tooth pulley on the drum shaft with the
1200 mm belt.
High Speed: Use the 64-tooth pulley on the motor shaft
and the 34-tooth pulley on the drum shaft with the 1160
mm belt.
For parts diagrams, see Parts - Pulley Assemblies
(Electric - 480V & 380V), page 66.
3A7600C
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