Operating Instructions
Towing the Vacuum Excavator
Task Step Key Points
Trailer
inspection
1. Complete a trailer
inspection using the
checklist on the right.
ACTIVITY
Check that the following items on
the trailer: -
Any obvious damage to the
trailer structure.
The tyres are correctly inflated.
The wheel nuts are tight.
The handbrake is operational.
The safety chains are in good
order.
All trailer lights are in good
condition.
The wheel chocks are available.
DANGER!!!
Do not tow the trailer if any
faults are found.
Towing vehicle
inspection
1. Complete a towing vehicle
inspection using the
checklist on the right.
ACTIVITY
Check that the following items on
the towing vehicle: -
Minimum towing capacity of 2T
50mm tow ball hitch with safety
chain connection rings.
Trailer lights connection.
Correct vehicle tow height for
the trailer.
DANGER!!!
Do not tow the trailer with an
undersized towing capacity
vehicle.
Connect Trailer
to towing vehicle
1. Raise the trailer tow hitch
to above the height of the
vehicle tow ball.
Wind the jockey wheel handle in order to
raise the trailer hitch to be just slightly
higher than the trailer tow ball.
2. Position tow ball under the
trailer tow hitch.
Either back the vehicle or move the trailer
into the correct position. Be aware that the
trailer is very heavy and difficult to move.
Apply hand brake on towing vehicle.
3. Lower the trailer hitch onto
the vehicle tow ball.
Wind the jockey wheel handle in order to
lower the trailer hitch onto the towing
vehicle tow ball. Remember to open the
trailer tow ball hitch to allow the ball to
fully engage with the hitch.
Secure tow ball hitch and lock out.
7
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