Object
Hydraulic couplers
Dust caps
Hydraulic hoses
Hydraulic oil
Petrol engine
1. Holmatro dealer maintenance.
8.4
Maintenance activities
8.4.1
General
•
Disconnect the electric motor from its power supply before starting any maintenance.
•
Check the pump for damage and leaks. If the pump does not work properly and/or leaks, have it
repaired by an Holmatro Certified Technician.
8.4.2
Hydraulic coupler
•
Check the couplers for damage. Have a Holmatro Certified Technician replace damaged couplers.
•
Clean the coupler with luke warm water and a mild soap solution.
•
Dry the couplers.
•
Quick-lock couplers:
-
Lubricate the end of the coupler with hydraulic oil or inject WD-40.
-
Lubricate the locking ring by injecting WD-40 into the space between the back section and the
locking ring.
-
Lubricate the retainer ring by injecting WD-40 underneath the ring.
-
Connect the couplers and check whether the coupler locks automatically. Check the locking by
pulling the hoses apart with a normal manual effort. The couplers must not slip.
-
Disconnect the couplers by turning the retainer ring and pushing the locking ring backwards.
•
Connect and disconnect the couplers a few times to improve the internal lubrication of the locking
system.
8.4.3
Dust caps
•
Check the dust caps for damage. Replace damaged dust caps.
•
Clean the dust caps with running water. Dry the dust cap and treat it with preservative oil.
8.4.4
Hydraulic hoses
•
Clean the hose with luke warm water and a mild soap solution.
IPU-M
Action
Check, clean, lubricate
Check, clean
Check, clean
Check
Replace
Check, clean
916.219.173_005
Time interval
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EN
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