Weight Transfer Switch; Blocked Hydraulic Filter Indicator Lamp; Engine Coolant Temperature Warning Lamp; Engine Oil Pressure Warning Lamp - Jacobsen AR3 Safety, Operation And 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
6.1F 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.
6.1G. 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.
6.1H 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.
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.
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