Instruction
Disassembling and assembling APP 11-13 and APP 16-22
13
180R9228 / 521B1181 / DKCFN.PI.013.A2.02 / 10.2013
5.
Disassembling and
assembling of cylinder
barrel/valve plate
1.
Push a screwdriver into the hole between
the cylinder barrel and valve plate. Care-
fully push downward the screwdriver so
that it makes a gap between cylinder barrel
and valve plate. Use this gap to put in
another screwdriver and loosen the valve
plate from the cylinder barrel.
2.
Remove the O-rings and backup rings. If
they have been removed they can not be
reused.
Mount the new back-up rings on the valve
plate first and then mount the new O-rings.
Mount back-up
rings first.
Mount the
the O-rings.
3.
Lubricate the new O-rings/back-up rings
and the liners in the cylinder barrel with
clean filtered water. Lower the valve plate
upside down on the cylinder barrel.
Place the press bush for valve plate
(provided in tool set) like on the picture.
Screw the bolt into the shaft in the cylinder
barrel and turn the nut slowly clockwise.
The valve plate must slide gently into the
cylinder barrel.
Stop when the gap between cylinder barrel
and valveplate is 1-2 mm.
4.
Remove the press bush again by screwing
the nut counter clockwise.
Mount the cylinder barrel into the pump.
