Optional Attachments
Connecting/Disconnecting Hydraulic Hoses
261 261
9811/9950-1
Quick Release Couplings
!MWARNING
The external surfaces of the couplings must be clean
before connecting or disconnecting. Ingress of dirt
will cause fluid leaks and difficulty in connecting or
disconnecting. You could be killed or seriously injured
by faulty Quick Release Couplings.
2-4-1-15
Flat face quick release couplings allow the operator to
remove and install attachments swiftly and efficiently.
Generally, your machine pipework will be fitted with a
female coupling A and a male coupling B. The optional
attachment hoses will also be fitted with a female coupling
A and a male coupling B. K
Fig 104. ( T 264).
The quick release couplings should be trouble free and
relatively easy to connect and disconnect, provided they
are kept clean and used correctly. The recommendations
listed below should always apply when using flat face
quick release couplings.
Finally, please read the correct fitting and releasing
procedures before you install or remove any optional
attachment fitted with quick release couplings.
Essential Do's
– Before connecting or removing any hydraulic hose,
residual hydraulic pressure trapped in the service
hose line must be vented. Make sure the hose service
line has been vented before connecting or removing
hoses.
– Always wipe the two mating faces clean before
connecting.
– Use caps and plugs when the couplings are
disconnected.
– Always align the external locking ball (if used) with the
notch in the locking sleeve and then pull the locking
sleeve back fully to disconnect.
– If a coupling sticks, first check that pressure has been
released. Ensure the locking ball and notch in the
locking sleeve are aligned, pull back the sleeve and
twist the couplings apart. Sticking is normally caused
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