Decoupling Belt Pulley With Freewheel, Removing And Installing

General Description

There are different versions of the decoupling belt pulley with freewheel.

Before removing, check which special tool must be used to remove the installed decoupling belt pulley with freewheel.

Decoupler differentiation:

-A- Decoupling belt pulley with small freewheel, special tool to be used: Adapter:T10474 

-B- Decoupling belt pulley with big freewheel, special tool to be used Multipoint Adapter:3400 

Fig 1: Identifying Ribbed Belt Pulleys

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Special tools and workshop equipment required 

• Adapter:T10474 
  Fig 2: Identifying Puller - Bevel Gear T10474

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• Multi-Tooth Adapter:3400 
  Fig 3: Identifying Multi-Tooth Adapter 3400

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• 8 mm Inner Hex Socket or TORX T50

Removing

-- Remove the generator. Refer to GENERATOR, REMOVING AND INSTALLING .

-- Secure the generator in a vise at the mounting points.

-- Pry out the cap from the decoupling belt pulley with the free-wheeling hub.

-- Insert a Multipoint Adapter: T10474  or Multipoint Adapter: 3400  -1- with wrench into the decoupling belt pulley.

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-- Place a suitable tool -2- in the generator shaft.

-- Turn the generator shaft clockwise to loosen and counterhold with the wrench while doing so.

-- Hold the decoupling belt pulley with freewheel in place by hand and turn it at the generator shaft until the decoupling belt pulley with freewheel can be removed.

Installing:

Install in the reverse order of removal while noting the following:

-- Install the decoupling belt pulley with freewheel all the way onto the generator shaft by hand.

-- Insert the Adapter:T10474  or the Multi-Tooth Adapter:3400  -1- into the decoupling belt pulley with freewheel and attach a wrench.

-- Place a suitable tool -2- in the generator shaft.

-- Counterhold the Multipoint Adapter:T10474  or Multipoint Adapter:3400  -1- using a wrench.

-- Tighten the decoupling belt pulley with free-wheeling hub by turning the generator shaft with the Torque Wrench -3-.

Tightening Specifications