Huge Pump HP 05, User Manual

Page: 32 / 35

H
P 05 PUMP USER’S MANUAL
Page32
THRUST PIN MAINTENANCE
Item No.
Part No. Name of Part Qty
3
H010533 Main Body 1
19 H140590 Actuator Pin 2
16 H120547 O-ring, pin 2
11 H060536 Pin Bushing 2
In order to prevent damages at the high pressure
operation replace the actuator pin with new one. If this
situation continues use bigger size of actuator pin.
To begin with the maintenance of the actuator pin, firstthe
compressed air supply, bleed the pressure from the pump,
anddisconnect the air supply line fromthe pump.
*First: Inspect pump installation drawings
Remove four capscrews by using M8 spanner or socket wrench.
Remove the air inlet cap and air inlet gasket. The pilot valve
assembly can now beremoved.
*Second: Inspect actuator pins
See the assembly drawings.Access to the actuator pins can be
reached through the opening of the pilot valve assembly. Remove the
plungers fromthe bushings in each end ofthe cavity. Inspect the
installed o-ring for cuts and/or wear. Replace the o-rings, if
it’s
necessary.Lubricate O-rings slightly and install the pins into the
bushing. Push the plungers in as far as they willgo.
*Third: Install the valve assembly into intermediate gap
During installing the pilot valve assembly onto the intermediate
portion, be sure pilot valve ends located to the center of the actuator
pins.Install the gasket, air inlet cover and capscrews.Connect the air
supply onto the pump.The pump is now ready for operation.