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Possible cause
The female coupler is faulty.
7.4
The motor is not running
/i
Possible cause
The electric cable is not connected.
The electric cable or the connecting plug is faulty. Have it repaired by a licensed electrician.
The group fuse is faulty.
The carbon brushes are worn.
The motor is defective.
7.5
The motor produces abnormal noise
/i
Possible cause
The pump is damaged.
The motor bearings are damaged.
7.6
The motor is operating but the tool is not, partially or slowly extending
/i
Possible cause
The hydraulic oil level is too low.
The hydraulic oil is too cold or too thick.
There is air in the system.
The suction screen is blocked.
The pump is defective.
The solenoid valve is not operating.
The maximum pressure setting has drifted.
7.7
The tool is not retracting
/i
Possible cause
The solenoid valve is not operating.
The hydraulic couplers are not properly
connected.
7.8
The pump leaks oil
/i
Possible cause
The hydraulic oil tank gaskets are damaged.
8
Maintenance
8.1
General
For standard installation instructions, refer to the Service & Support section of the Holmatro website.
32
Solution
Have it repaired by a Holmatro Certified
Technician.
Solution
Connect the electric cable.
Replace the group fuse.
Replace the carbon brushes.
Contact the Holmatro dealer.
Solution
Contact the Holmatro dealer.
Solution
Add hydraulic oil.
Use correct type of oil. Refer to chapter 4.2.
Vent the system. Refer to chapter 8.4.3.
Remove the oil tank and clean the suction screen.
Contact the Holmatro dealer.
Solution
Contact the Holmatro dealer.
Check and connect hydraulic couplers correctly.
Solution
Contact the Holmatro dealer.
916.219.569_003
EHW
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