HYDRAULIC POWER UNIT G-18S10-54-W
OPERATION MANUAL
27
8
Maintenance and repairs
8.1
General information for maintenance and repairs
Goals of the maintenance are:
-
to find and evaluate causes for malfunction
-
initiate measures to solve malfunction
-
fix malfunction and restore operational readiness
Repairs to the machine may only be carried out by the PortaCo Inc. or personnel who have been specially instructed. Additionally,
work on electrical system parts may only be made by electrical specialists.
8.2
Troubleshooting and repairs
Malfunction
Possible causes
Remedy
Device not working or too
slow
Hydraulic fluid level too low
Top off hydraulic fluid or replace
Connection not airtight or loose
Check connections and seals and tighten, or
replace seals
Air in device
Bleed system
Mechanical error
Check the entire device for damage
Operating lever stiff
Counter pressure too high
17 bar and 38 lpm should not be exceeded
Device soiled
Clean the device
Hydraulic fluid leak
Damaged seal
Remove device and replace seals
Table 7: Troubleshooting