English 5.906-548.0 Rev. 00 (04/12)
75
Caution
The pump head screws go through the piston guide
and are screwed into the motor casing.
If necessary, the piston guide must be secured with
two fastening screws prior to removing the pump
head as the pump oil may leak otherwise.
Normally, these mounting screws are factory-in-
stalled.
1 Pump head
2 Pressure switch OFF
3 Union joint
4 Suction jumper
Loosen the union joint and remove the solenoid
valves with the supply hose from the suction jump-
er.
1 Retaining clip
2 Pressure switch connecting cable
Lever IN/OUT the holding clamps of the connect-
ing cables to the pressure switch.
Pull the connecting cable of the pressure switch
off.
1 Safety block
2 Union joint
3 High pressure hose
Loosen the union joint.
Remove the high pressure hose from the safety
block.
1 Pump head
2 Motor casing
3 Piston guide
4 Installation screw
5 Suction hose for detergent
6 Pump head screws
Unscrew pump head screws.
Pull off the pump head.
Pull the suction hose for detergent from the suc-
tion jumper.
6.6
Disassemble the high pressure pump
6.6.1 Remove the pump head
