Service
10
3A3005C
Service
NOTE:
The reference letters used in the following Ser-
vice instructions refer to the Typical Installation illustra-
tion provided on page 4.
The reference numbers used in the following Service
instructions refer to the Parts pages beginning on page
22.
Pump Leaks at the Fluid Fittings
Tighten fittings (1, 5, 60; F
. 3) which are self-sealing
and have replaceable o-rings. If leaking persists, change
o-rings.
Removing Displacement Pump
from Reciprocator
Disassembly
1.
Flush pump.
2.
Relieve pressure
, page 7.
3.
Clamp reciprocator/pump assembly in a brass-jaw
vise.
4.
Disconnect fluid outlet hose (C) (Typical Installation,
page 4) from displacement pump.
5.
Slowly loosen hydraulic supply fitting (60) and return
fitting (5) (F
. 4). Remove hoses.
6.
Install plugs in tube fittings and hose ends.
F
IG
. 3
Use of a hydraulic power supply with fluid tempera-
tures above 154°F (68°C) can create hot surfaces
which can burn if touched.
•
Do not touch pump, motor, or if hydraulic system
fluid is above 154°F (68°C).
•
Allow sufficient time for pump and motor to cool
before attempting any service or repair.
sealing
fitting (1, 5, 60)
reciprocator
o-ring
(1a, 5a,60a)
ti04478
F
IG
. 4
43
5
60
breather
pressure
relief hole