SWDM40 OPERATION & MAINTENANCE MANUAL
5.5.7 Steps of Changing Drilling Mode to Transportation Mode
When the rig is out of service, the process is the opposite of entering the work site.
1. Stop drill rig on a flat ground, lower mast, dismount pin shaft between following frame and
mast guide rail;
2. Mast up, move Rotary drive to the bottom of mast. Hoist Kelly bar (without drilling tool) to
make it leave Rotary drive, upper claw disconnects with mast guide rail.
3. Let mast tilt forward until kelly bar away from mast and Rotary drive ； Lower Kelly bar
slowly until it touching ground.
4. Lower Kelly bar and travel backward slowly until kelly bar is put down the ground.
5. Disconnect main winch steel rope from kelly bar.
6. Adjust mast tilt angle to mount pull rod between lower mast and tripod.
7. Dismount connecting bolt between main mast and lower mast.
8. Lock the pin between upper-carriage and chassis.
★Warning:
①
During the whole process, other working staff should be on the work site to assist
the operator;
② During the whole process, the wirerope of main and auxiliary winch should be
controlled in a suitable length. Besides, don’t disturb the rope order.
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