Operation
410/420/430 - 001 8903 U1
UZEL
49
Operation - hydraulic motors
Although the standard valve section is not specifically
designed for use with hydraulic motors, these valves
can be used satisfactorily, if the following points are
observed.
1. Always connect the motor feed to the coupler (1
or 2, Fig. 65).
2. NEVER connect the motor return to the quick-
release couplers. Contact your Massey Ferguson
Dealer when fitting a hydraulic motor to ensure that
the hydraulic circuit is completely satisfactory and
the return line is connected directly to the transmission
case.
NOTE: A special control valve section is available
for use with hydraulic motors. For details of this and
other specialized control valves contact your Massey
Ferguson Dealer.
When in use the linkage cannot be raised or lowered.
Operating a front end loader
When operating a front end loader using the tractor
auxiliary hydraulic control valve fitted with a detent
system, great care must be taken to prevent the load
rolling down the lift arms when fully raised. The detent
system holds the control lever in either the UP or
DOWN position until the hydraulic cylinder is either
fully extended or closed. A lever partially pulled back
will return to neutral automatically when released.
Observe the following operational points:
1. Keep your hand on the control valve lever during
the lifting operation, ready to select neutral when the
correct height is attained.
2. Observe the load and position of the lift arms at
all times.
3. Only select the detent position when the type of
maneuver requires it.
4. Observe the following warning:
WARNING: When using the hydraulics
to operate a front end loader (bucket
or forks) it must be equipped with a
suitable restraining device to prevent
the load (hay bales, fence posts, rolls
of fence wire, etc.) from rolling down the lift arms
into the operator's compartment and crushing
the driver. The ROPS frame is not designed or
intended to protect the operator from loads falling
down the lift arms.
Using implements requiring large volumes of oil
Implements with large cylinders can remove
substantial volumes of hydraulic oil from the
transmission/hydraulic system of the tractor. Carry
out the following procedure:
1. Cycle all implement cylinders after starting the
tractor.
2. Check the transmission/hydraulic oil level, (see
Maintenance section); ensure that the level is up to
the 'MAX' mark on the dip stick.
3. Check the transmission/hydraulic oil level Daily or
Every 10 Hours.
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