SWDM40 OPERATION & MAINTENANCE MANUAL
3 Release the steel rope of auxiliary winch to reeve through rear auxiliary pulley of cathead,
front auxiliary pulley, and middle hole of heavy hammer in above order.
4 Install in proper order: the gear lever of rear main pulley and front main pulley, sleeve
and then nuts.
FIG. 6-3
6.1.4 Assembly of Rotary drive
1 After the installation of front transport bracket between brackets of drill mast 1 and drill
mast 2, make sure the lock pin of upper-carriage and undercarriage is inserted and
support rod is mounted.
2 Lift the Rotary drive slowly to adjust its position, aiming the sliding rail bracket of
Rotary drive at the guide rail of drill mast 1.
3 Lower the Rotary drive slowly to insert the guide rail of drill mast 1 into the sliding rail
bracket of Rotary drive, as shown in below figure.
4 Remove the front transport bracket between brackets of drill mast 1 and drill mast 2.
FIG. 6-4
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