JT520 Operator’s Manual Transport - 69
Tow
CMW
Tow
Under normal conditions, drilling unit should not be towed. If unit breaks down and towing is necessary:
• Attach chains to indicated tow points facing towing vehicle.
• Disengage track hydraulics.
• Tow for short distances at less than 1 mph (1.6 km/h).
• Use maximum towing force of 1.5 times unit weight.
To disengage track hydraulics:
1. Loosen locknut (2).
2. Turn screw (1) on each counterbalance valve
clockwise until it stops.
3. Repeat on other track.
To engage track hydraulics:
1. Turn screw (1) on counterbalance valve
exactly the same number of turns
counterclockwise.
2. Tighten locknut (2).
3. Repeat on other track.
To attach chains to tow points, determine which points are facing towing vehicle.
• If back tow points are facing towing vehicle, loop chains through each tow point and bring them
together to a central pull point.
• If front tow points are facing towing vehicle, loop chain through tow point and pull straight forward.
IMPORTANT: Be sure to count number of
turns.
To Next Page
Loading...
