Optional Attachments
Connecting/Disconnecting Hydraulic Hoses
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9811/9950-1
by dirt in the coupling or physical damage due to
abuse.
– Connect and disconnect new couplings two or three
times to work the PTFE seals. Sometimes a new
coupling will stick if the seal has not been worked.
– When fitting couplings, only apply the spanner or
grips to the hexagon and nowhere else.
– Avoid damage to the coupling faces. Burrs and
scratches cause damage to the seals and cause
leaks. They can also impede connection and
disconnection of the couplings.
– Periodically lubricate the internal locking balls on the
female half of the coupling with silicone grease.
Essential Don'ts
– Never attempt to reconnect using a damaged half
coupling as this will destroy the seals in the mating
half and necessitate replacement of both halves.
– Do not leave the coupling where it may be run over by
a vehicle or otherwise crushed - this will distort the
sleeve and prevent connection and disconnection.
– Never try to turn the sleeve when the coupling is
disconnected since this will cause the locking ball to
jam under the locking sleeve and damage the
coupling.
– Never try to strip the coupling down, there are no user
serviceable parts. If the coupling is damaged it should
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