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3.0 Transportation & Storage
3.1 Towing the Chipper
• When towing the chipper, the maximum legal
speed limit on UK roads is 60mph (96kmh).
• On very rough and uneven road surfaces, reduce
speed to protect the chipper from undue vibration.
• When off road, avoid objects that may collide with
the chipper underside.
• Avoid steep gradients when off road.
• Avoid excessively pot holed ground.
• Clear chipper of loose woodchip material before
departing.
• Keep tyre pressures inflated to 3.5 Bar or 50 psi.
• Check wheel nuts are tightened to between 90Nm
and 100Nm.
• Tyres fitted to the ST8D must be 205/65R15C
102/100T with a load index of 102 = 850kgs and a
speed rating of “T” which equates to 190km/h
which is above the UK permissible towing speed.
• Maximum weight of towing vehicle we would
recommend is 7500kgs
• Ensure the chute is securely fixed at the inboard
position before departing.
• Ensure that the hopper tray is closed in the up
position and the locking latch is fully engaged
before departing.
3.2 Attaching and Detaching the Chipper
1. Check that the vehicle ball hitch is well greased.
2. Raise the chipper hitch by turning the jockey
wheel handle anticlockwise until the hitch socket
is above the vehicle hitch ball.
3. Reverse the vehicle until the ball is directly
below the chipper hitch socket.
4. Attach the breakaway cable/secondary coupling
to a suitably strong point on the vehicle, not the
ball hitch.
5. Ensure the barrel lock is retracted from the tow
head.
6. Grasp handle on tow head and push back catch
with thumb.
7. Wind the jockey wheel handle clockwise to
lower the hitch socket onto the ball hitch.
8. Release tow head handle and continue to wind
the jockey wheel handle clockwise. The tow
head should snap into place on the ball hitch. If
it doesn’t, repeat previous two steps.
9. Wind jockey wheel up until fully retracted and
the jockey wheel frame is seated in its notch on
the stem. The chipper’s weight should be fully
on the vehicle.
10. Release the jockey wheel clamp and slide the
jockey wheel assembly fully up then tighten
clamp.
11. Connect the vehicle trailer socket to the chipper
socket with the connection lead. Check all
chipper lights and tow vehicle lights are working
correctly.
12. Insert the barrel lock for security.
13. The chipper is now properly attached to the tow
vehicle.
1. Ensure the machine will not roll away after
being disconnected from the tow vehicle.
2. Disconnect the trailer socket from the tow
vehicle.
3. Release the barrel lock.
4. Release the breakaway cable/secondary
coupling.
5. Release the jockey wheel assembly clamp, fully
lower the wheel and tighten the clamp.
6. Wind the jockey wheel handle anticlockwise
until it starts to take the machine weight.
7. Grasp the tow head handle and release the
catch with your thumb.
8. Wind the jockey wheel handle anticlockwise
until the tow head is clear of the ball hitch.
9. Drive the tow vehicle clear of the machine.
10. Level the machine by winding the jockey wheel
handle.
11. The machine is now fully detached from the tow
vehicle.
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