12(18)
Test the tightness of the hydraulic fittings carefully. Use idle rpm when starting the first
time and keep a safe distance due to the risk of hydraulic fluid ejection. Shut down the
loader and release the residual pressure before checking for leaks. Never test the
tightness of the hydraulic components by placing hands near the fittings. Never tighten
a pressurised hydraulic fitting, since the fitting may break and the released oil may
cause serious injuries.
Test the movements of the loader boom and the attachment
After installing and testing the hydraulic components, check that the hydraulic hoses can not get stretched or
pinched in any position of the loader boom or the attachment.
Carefully test the movements of the loader boom. Release
the hydraulic pressure before the test. Adjust the free
length of the hoses as necessary.
6.3.
Connecting and disconnecting the hydraulic couplings
Never connect or disconnect quick couplings or other hydraulic components if the
control lever of the auxiliary hydraulics control lever is locked on or while the system is
pressurized. Connecting or disconnecting the hydraulic couplings while the system is
pressurized may lead to unintended movements of the attachment or ejection of high-
pressure fluid, which can cause serious injuries.
Keep the fittings as clean as possible; use the protective caps for the quick couplings on both the attachment
and the loader. Dirt, ice, etc. may make using the fittings significantly more difficult. Never leave the hoses
hanging on the ground; place them on top of the equipment.
Connecting standard quick couplings:
The quick couplings should be connected so that the couplings with coloured caps are connected to each
other. This way the auxiliary hydraulics control lever will move the grapple the same way every time it is
used.
Before connecting or disconnecting the standard quick couplings, shut down the loader engine and move the
auxiliary hydraulics lever on the loader to its extreme positions a few times. This way, there will be no
residual pressure in the system and it is easier to connect the fittings.
To connect and disconnect the fittings, move the collar at the end of the
female fitting. Note that the protective caps on the loader and the
attachment can be fastened to each other during operation to reduce
the accumulation of dirt.
Summary of Contents for A2868
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