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Instruction
Disassembling and assembling APP S 674 2.0-3.5
17
180R9281 / 521B1275 / DKCFN.PI.013.C3.02 / 05.2013
8.
Changing pistons
To understand the pump design better, please
see the exploded view in item 9.
1.
Disconnect the pump from the rest of the
system or close inlet valve.
2.
Loosen all screws on the pump except the
two screws as shown in the picture below.
Note: There is still water inside the pump.
3.
Unscrew the remaining screws.
8.1 Disassembling
4.
Remove the flange. Remove pin or ensure it
stays in place. Ensure not to scratch the
swash plate surface.
7.
How to replace the
shaft seal
Disassembling, please see
Assembling, please see
Page 3 items 2 to 4
Page 12 item 22 to 26
Page 4 items 5 to 6
Page 13 items 27 to 29
5.
While holding the retainer plate with one
hand, carefully remove the pistons one by
one with the other hand.