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OPERATION
TROUBLESHOOTING
METHOD OF TOWING MACHINE
WARNING
Injury or death could result if a disabled machine is towed incorrectly or if
there is a mistake in the selection of the wire rope or drawbar.
Always confirm that the wire rope or drawbar used for towing has ample
strength for the weight of the machine being towed.
Never use a wire rope which has cut strands (A), reduced diameter (B),
or kinks (C). There is danger that the rope may break during the towing
operation.
Always wear leather gloves when handling wire rope.
Never tow a machine on a slope.
Never go between the towing machine and the towed machine during
the towing operation.
If the machine moves suddenly, a load is applied suddenly to the towing
wire or drawbar, and the towing wire or drawbar may break. Move the
machine gradually to a constant speed.
Be extremely careful if there is a failure in the engine or brake system:
the brakes will not work.
If the steering and the brakes on the disabled machine cannot be
operated, do not let anyone ride on the disabled machine.
NOTICE
The permissible towing capacity for this machine is 207500 N (21160 kg). Do not tow any load greater than this.
Towing is only permitted in order to move a disabled machine to a place where it is possible to carry out inspection and
maintenance. It must not be towed for long distances.
Please consult your Komatsu distributor for information about towing a disabled machine.
This machine must not be towed except in emergencies. When towing the machine, take the following precautions.
Before releasing the brakes, put blocks under the wheels to prevent the machine from moving. If the wheels are
not blocked, the machine may suddenly move.
When towing a machine, tow it at a low speed of less than 2 km/h (1.2 MPH), and for a distance of a few meters
to a place where repairs can be carried out. The machine should be towed only in emergencies. If the machine
must be moved long distances, use a transporter.
Use a towing machine of the same class as the machine being towed.
Check that the towing machine has ample braking power, weight, and rimpull to allow it to control both machines
on slopes or on the tow road.
Use the specified towing pin for both the towing machine and the machine being towed.
To protect the operator if the towing wire or towing bar breaks, install protective plates on both the towing machine
and the machine being towed.
Keep the angle of the towing wire as small as possible.
Keep the angle between the center lines of the two machines to within 30 degrees.
When towing down a slope, use two towing machines. One machine should be uphill from the disabled machine
and should be connected with towing wire or a drawbar to pull the disabled machine back and keep it stable. The
other machine should tow the disabled machine downhill.
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