Repair manual

47
Taking the water pump apart (standard model)
(see Drawing 31)
• Unscrew screws from the pump housing and take out the
pump housing.
• Unscrew locknut and take out the impeller wheel.
• Remove axial face seal and ring from the motor shaft.
• Unscrew screws from the pump flange and take out the
pump flange.
• Replace any faulty parts.
Water pump - standard model
~ Water pump
Ä Fastening device
Å Clamping clip
Ç Pump housing
É Impeller wheel
Ñ= Disc
Ö= Axial face seal
Ü= O-ring
á= Ring
à= Pump flange
Please note!
• Clean axial face seal and ring with a dry cloth prior to
installation.
• Slide surfaces must be free of grease and dust.
• Replace the O-ring.
• For spare parts numbers, see Spare Parts List.
Drawing 31
Bus 2000 water pump (see Drawing 32)
The Bus 2000 water pump is maintenance-free. In case of
damage, the entire water pump must be replaced.
5 / Repair Instructions
1
2
3
4
5
6
7
9
8
10
Please note!
For spare parts numbers of add-on components, see Spare
Parts List.
1
2
3
5
6
4
~ Bus 2000
water pump
Ä Cover, above
Å Cover, rear
Ç Fastening device
É Clamping clip
Ñ Metal-rubber pad
Drawing 32