Clutch A

Clutch A





5 - Cylinder "A"

• Check for scoring from lining discs on inner circumference => [ Check cylinder inner circumference
for scoring from lining discs ]

• Check for scoring from lining discs on outer circumference => [ Check cylinder outer circumference
for scoring from lining discs ]

• Checking contact surface for rectangular ring in cylinder " A" for wear => [ Checking contact surface for rectangular
ring in cylinder for wear ]

• Checking splines

10 - Plate spring

• Replace in case of signs of wear or if dished washer tips are bent

11 - Split retaining ring

• Replace if deformed

12 - Outer plates

• Checking for wear => [ Checking coated and outer plates for wear ]

13 - Coated plates

• Checking for wear => [ Checking coated and outer plates for wear ]

Check cylinder "A" inner circumference for scoring from lining discs





- Check cylinder "A" at inner circumference for signs of wear caused by coated plates.

• Coated plates must not get caught in scoring - arrows -.

If scoring - arrows - caused by coated plates are greater than 0.5 mm:

- Replace cylinder "A".

Check cylinder "A" outer circumference for scoring from lining discs





- Check cylinder "A" at outer circumference for signs of wear caused by coated plates.

• Coated plates must not get caught in scoring - arrows -.

If scoring - arrows - caused by coated plates are greater than 0.5 mm:

- Replace cylinder "A".

Checking contact surface for rectangular ring in cylinder "A" for wear





- Check contact surface - arrow - in cylinder " A" for wear.

• Contact surface must not be heavily scored and/or show blue discoloration.

In case of deep grooves and/or blue color:

- Replace cylinder "A".

- Check rectangular rings

If no blue discoloration and only small grooves are detected, proceed as follows:

- Sandpaper (600 grit, oiled) contact surface 1 to 2 times.

- Carefully wipe off with a clean rag and check contact surface.

• Contact surface must now be like new.

If scores cannot be removed in this manner:

- Replace cylinder "A".

Checking coated and outer plates for wear





Signs of overheating on outer plates point to worn coated plates. Evaluate signs of wear as follows:

A Spots of discoloration of outer plate caused by overheating in distance of more than 20 mm: Outer and coated plates OK, can be reused.
B Spots of discoloration of outer plate caused by overheating in distance of less than 20 mm: Outer and coated plates worn, must be replaced.
C Tarnish blue/brown at outer and/or inner area of outer plate: Outer and coated plates seated and worn, must be replaced.