Disconnect The Hydraulic Hoses - Holmatro Varipump M304 Manual

• Check the couplers for dirt and damage and clean them if necessary.
• Push the lock ring on the female coupler backwards.
• Push the couplers into each other and the lock ring of the female coupler will automatically lock.
• Check whether the couplers can not be pulled apart with a normal manual effort and turn the
retainer ring clockwise so that the lock ring is secured.
• Connect the dust caps together.
5.2.3 Connect the High-Flow couplers
Refer to Fig. 10.
WARNING
Always make sure that the pressure relief valve is in the "neutral" position, before you
connect hydraulic hose(s) to the pump.
• Remove the dust caps from the female and male couplers.
• Check the couplers for dirt and damage and clean them if necessary.
• Screw the male coupler into the female coupler and tighten the locking ring as far as possible.
• Screw the dust caps together, to prevent from contamination.
5.3

Disconnect the hydraulic hoses

5.3.1 General
Caution
Never use pliers or similar tools to disconnect the hydraulic couplers.
5.3.2 Disconnect the Quick-Lock couplers
Refer to Fig. 11.
WARNING
Always make sure that the pressure relief valve is in the "neutral" position, before you
disconnect hydraulic hose(s) from the pump.
• Disconnect the dust caps from each other.
• Turn the retainer ring on the female coupler anti-clockwise to unsecure the lock ring.
• Disconnect the quick couplers by pushing the lock ring on the female coupler backwards and the
male coupler will be released.
• Clean the couplers and the dust caps.
• Replace the dust caps on the female and male couplers.
5.3.3 Disconnect the High-Flow couplers
Refer to Fig. 12.
WARNING
Always make sure that the pressure relief valve is in the "neutral" position, before you
disconnect hydraulic hose(s) from the pump.
• Disconnect the dust caps from each other.
• Unscrew the locking ring. The male coupler will be released.
• Clean the couplers and the dust caps.
• Replace the dust caps on the female and male couplers.
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