CM220 Chipper 3. SAFETY 3-2
©GreenMechLtd 3-2 08/17
3.4 Safety Controls and Switches
Emergency Stop using Control Bar (fig 3.4.1)
In the event of an emergency, push control bar fully in
to STOP feed rollers.
Once the emergency has been rectified, check control
bar is in Stop position.
Press Green button to restart rollers to reset Feed In.
Pull control bar to Feed out.
If stop be tripped accidentally in normal working
conditions, i.e. NOT an emergency, then Feed In can
be recovered by pressing Green button.
Engine Stop button (fig 3.4.2).
To stop engine, press red stop button on control unit,
and/or turn key anticlockwise to ‘0’ position.
To restart, reset key clockwise to 1.
To disable machine, remove key.
CAUTION! Do not restart engine until hazard has
been removed.
CAUTION! Infeed chute must not be used at less than 600mm from ground. (fig
3.4.3)
3.5 Control cut-outs
Cut-out switch under engine cover prevents starting
with covers removed.
Engine overheating is protected by thermal cut-out
switch in coolant circuit.
Low engine oil pressure is protected by pressure switch
in engine oil pump.
3.6 No Stress system
Speed sensor disables feed roller FEED IN or FEED OUT mode when engine speed is
below factory pre-set value.
Overload sensor stops and restarts rollers during Feed In.
3.7 Number not used.
Fig 3.4.1 Control Bar and Buttons
Control Bar positions
FEED OUT (Pull) STOP (Push)
Feed in (Green)
(both sides)
Control bar
Idle/Run
Fig 3.4.2 Engine Stop/Start
Stop button
On - Off Key
Fig 3.4.3 Infeed chute height
Infeed chute
height 600mm
Min. (24")
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