Holmatro IPU-S Serie Manual página 34

EN
1. Holmatro dealer maintenance.
8.4 Maintenance activities
WARNING
Disconnect the electric motor from its power supply before starting any maintenance.
8.4.1 General
• 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 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.
• 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.
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 oil
Check the hydraulic oil level
• Check the level of the hydraulic oil using the dipstick (Fig. 2/6).
• Top up the tank with hydraulic oil to the mark, if necessary:
- 6 l tanks: 3 cm below the flange.
- 12, 25 and 50 l tanks: 6 cm below the flange.
Replace the hydraulic oil
WARNING
Used oil must be collected and disposed of in an environmentally safe way.
CAUTION
Use hydraulic oil with the correct specifications and make sure no dirt or dust enters the
hydraulic tank to prevent damage to the pump and tools.
• Remove the hydraulic oil filler cap (Fig. 2/6).
• Position a suitable container under the hydraulic oil drain plug.
• Remove the hydraulic oil drain plug (Fig. 2/5). Collect all of the old hydraulic oil in a container.
34 916.000.972_002 IPU-S