Object
Hydraulic hoses
1. Holmatro dealer maintenance.
8.3
Maintenance activities
8.3.1
General
•
Check the operation of the tool.
8.3.2
Hydraulic couplers
•
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.
•
High-Flow couplers:
-
Lubricate the end of the coupler with hydraulic oil or inject WD-40.
-
Lubricate the retainer ring by injecting WD-40 underneath the ring.
-
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.
•
Single-hose 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.
-
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 locking ring and pulling it backwards.
-
Connect and disconnect the couplers a few times to improve the internal lubrication of the
locking system.
•
Connect and disconnect the couplers a few times to improve the internal lubrication of the locking
system.
8.3.3
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.
HW
Action
Check
916.219.177_004
Time interval
x
EN
x
27