TW 230DHB
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OPERATING INSTRUCTIONS
C190-0101 25.07.2017 Rev: 1.0
AUTO CONTROLS
The no stress unit controls the feed rate of the material going into the chipping chamber. When the rotor speed is
below the predetermined level the no stress unit will not allow the feed rollers to work in the forward direction. When
the rotor speed rises above the predetermined level the feed rollers will start turning without warning.
EMERGENCY STOPPING
Push the RED SAFETY BAR. The rotor will still be turning, the engine must be powered down to stop the rotor. Turn off
the engine ignition key.
ENGINE CONTROLS
The engine controls are in two locations. The engine ignition is on the control panel in the centre of the machine, and
the throttle lever is mounted on the feed funnel.
LOCATE the machine on firm level ground.•
CHECK machine is well supported and cannot move.•
CHECK jack stand is lowered and secure.•
CHECK all guards are fitted and secure.•
CHECK the discharge unit is in place and fastened•
securely.
CHECK discharge tube is pointing in a safe direction.•
CHECK the feed funnel to ensure no objects are•
inside.
CHECK feed tray is in up position - to prevent people•
reaching rollers.
CHECK controls as described below.•
CHECK (visually) for fluid leaks.•
CHECK fuel and hydraulic oil levels.•
If still hitched, ensure tow vehicle is isolated prior to•
operation of the chipper.
For parts location see diagrams on pages 3 & 4.
DAILY CHECKS BEFORE STARTING
BEFORE USING THE CHIPPER
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1
PRESS THE GREEN FEED CONTROL
THE INFEED SHOULD TURN
FORWARDS
PRESS THE RED SAFETY
BAR
THE INFEED SHOULD STOP
PRESS THE BLUE FEED CONTROL
THE INFEED SHOULD TURN BACKWARDS ONLY
WHILE THE FEED CONTROL IS PRESSED
WITH THE ENGINE RUNNING AT FULL SPEED
STARTING THE ENGINE
Ensure throttle lever is in the slow•
(tortoise) position.
Insert key. Turn to heat.•
Heater LED comes on. •
Wait for heater LED to go out.•
Turn key to engage starter motor.•
Release key once engine starts.•
Do not engage starter motor for more
than 20 seconds ‐ allow one minute
before attempting to start. Investigate
reasons for failure to start. Refer to
Troubleshooting.
OFF
START
HEAT
ON
HOURS
COUNTER
THROTTLE LEVER
2