Hi-Force ALUMINIUM HP252 Manual de instrucciones - Página 14
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Inspect the pump for damage before and after each use.
Keep hydraulic fluid clean. Change as necessary.
Keep contaminants from entering the system, by fitting dust caps to couplers and blanking off open
ports.
Zero the pump pressure before storing.
Have the pump serviced regularly, by a Hi-Force authorised repair centre.
Replace the transit plug to prevent the entry of moisture and/or dirt into the oil. This will also prevent
any accidental environmental spillage.
Hi-Force HP manually operated hydraulic pumps should be serviced and repaired only by authorised Hi-
Force repair centres. The following table gives possible causes and solutions for common problems.
Problem
1. No delivery of
operating fluid.
2. Handle drops rapidly
on its own.
3. Handle rises as
pressure drops.
8.0 Maintenance and Storage
9.0 Troubleshooting
TROUBLESHOOTING GUIDE
Possible Cause
a. No oil in the reservoir.
b. Suction valve not seating.
c. Relief valve sticking or not sealing.
d. Delivery valve failure.
a. Suction ball not sealing correctly.
a. Delivery valve not sealing correctly. With the release valve open, pump fluid
Operating Instruction Manual:
OM-HP-ALUMINIUM-01
Solution
Fill reservoir as per section 5.2
Remove contaminants or have steel balls
replaced.
Contact your local Hi-force distributor.
Have steel balls replaced.
With the release valve open, pump fluid
around the pump. This may dislodge the dirt.
If this does not work, contact your local
Hi-Force office / distributor.
around the pump. This may dislodge the dirt.
If this does not work, contact your local
Hi-Force office / distributor.
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Serial Numbers:
From: DF2001