Jacobsen AR3, Operation Manual

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en-18
JACOBSEN AR3
SAFETY, OPERATORS & MAINTENANCE MANUAL
6 CONTROLS
6.1E WEIGHT TRANSFER SWITCH
This switch allows the operator to transfer weight
off the cutting units onto the machine. this gives
the machine better traction.
Depress the rocker switch to transfer weight off the
cutting units, the warning lamp will illuminate.
When the switch is in the off position weight is
transferred back onto the units, the warning lamp
will go out.
Note: The weight transfer comes factory set. If
adjustment is required this can be done by using an
allen key to adjust the valve under the left hand side
of the foot plate. See section 9.2
6.1J. ENGINE OIL PRESSURE WARNING LAMP
Colour red, on when the ignition is switched on, and
will go out once the engine has started. If the light
comes on while the engine is running - STOP
IMMEDIATELY as this indicates that the engine oil
pressure is too low. Check the level of oil in the
sump and top up as necessary. Check the oil
pressure sender switch. Continued operation may
cause extensive damage to the engine.
6.1G. CHARGING WARNING LAMP
Colour red, on when ignition is switched on and will
go out when the engine is started. If the light
comes on while the engine is running, the fan belt
may be slipping or broken or a fault in the electrical
system is indicated and should be investigated.
STOP IMMEDIATELY.
6.1F BLOCKED HYDRAULIC FILTER
INDICATOR LAMP.
Monitors Hydraulic filter condition. Coloured red,
Illuminates prior to filter bypass valve operating,
when illuminated filter requires changing. The lamp
should illuminate while the engine is preheating as a
test. It is not unusual for the lamp to stay light for up
to 3 minutes after a very cold start. But should not
stay on for longer than 5 minutes during operation.
6.1H ENGINE COOLANT TEMPERATURE
WARNING LAMP
Colour red, on when the engine coolant
temperature reaches a preset level (Note: an
audable alarm is also activated). If the lamp comes
on and alarm sounds bring the machine to a stop,
disengage the cutting units, apply the parking brake
and stop the engine.