Instruction
Disassembling and assembling APP S 674 2.0-3.5
3
180R9281 / 521B1275 / DKCFN.PI.013.C3.02 / 05.2013
Important: It is essential that the pump is
serviced in conditions of absolute cleanliness.
For a better understanding of the pump, please
see the exploded view in item 9.
Note:
When disassembling and assembling it must
be possible to place the pump vertically with
the shaft pointing downwards. This can be
done with a distance block with a minimum
height of 50 mm.
1. Introduction
Tools needed:
• 6 mm allen key
• 8 mm allen key
• Torque wrench
• 2 screwdrivers
• 1 press bush tool (part of seal kit)
• Distance block
2.
Disassembling the
pump
1.
Disconnect the pump from the rest of the
system.
2.
Using a 6 mm allen key, unscrew the 3 bolts
from shaft seal cover.
3.
Remove shaft seal bushing.
4.
Remove O-ring with a small screwdriver.