4
If pump still does not deliver oil, contact your Authorized
Enerpac Service Center.
7.0 AIR FILTER REPLACEMENT
If the air motor does not perform as normal, check for a
clogged air filter.
1.
Shut off air pressure to the pump and release pressure
in the line to the pump.
WARNING:
NEVER remove swivel air connector
while air line is pressurized.
2.
Note the position of the retaining clip. It can only be
secured by the smallest tang of the metal retainer.
Grasp air line with one hand and pull the retaining clip
with pliers.
3.
Pull the swivel air connector out.
4.
Carefully remove air filter.
5.
Clean air filter with an air hose or replace with a new air
filter.
6.
Re-insert the air filter.
7.
Put a thin film of grease on the o-ring of the swivel air
connector.
8.
Reassemble the swivel air connector and retaining clip.
Be sure that clip is secured on the smallest tang of the
metal retainer.
9.
Check to make sure the swivel air connector is securely
attached before turning the air pressure back on.
8.0 MAINTENANCE
1.
Periodically check all hydraulic and air connections to
be sure they are tight. Loose or leaking connections
may cause erratic and/or total loss of operation.
Replace or repair all defective parts promptly.
2.
Periodically check the hydraulic oil level in your system.
See filling instructions on page 2.
3.
Change hydraulic oil after every 100 hours of operation.
In dusty or dirty areas, it may be necessary to change
the oil more frequently. To change the oil, drain used oil
through the fill opening and fill reservoir to
1
⁄2
" [1 cm]
below the fill opening with clean Enerpac hydraulic oil.
Dispose of used oil in accordance with local regulations.
WARNING:
The pump is equipped with an overload
valve, preset for maximum operating pressure. DO
NOT attempt to adjust the overload valve. If
adjustment is required, contact an Enerpac Service Center.
Adjustment by other than qualified personnel may cause
malfunction, damage to the system, and/or personal injury.
8.1 Storage
When the unit will be stored for 30 days or more:
1.
Wipe the entire unit clean.
2.
Disconnect all air pressure and hydraulic lines to
prevent accidental operation.
3.
Cover the unit.
4.
Store in a clean, dry environment. DO NOT expose
equipment to extreme temperatures.
9.0 TROUBLESHOOTING
The following information is intended as an aid in
determining if a problem exists. DO NOT disassemble the
pump. For repair service, contact the Authorized Enerpac
Service Center in your area.
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