SUNWARD SWDM40 - Maintenance for Every 250 Hours; Checking and Changing Servo-Frame Wear Plate; Inspection and Repairing of the Pressing Plate of Kelly Bar

SWDM40 OPERATION & MAINTENANCE MANUAL
200
8.7 MAINTENANCE FOR EVERY 250 HOURS
8.7.1 Checking and Changing Servo-frame Wear Plate
Check servo-frame wear plate for abrasion at 250 hours. After initial check, determine the
second inspection according the abrasion. Replace it if serious damage is found.
1）Uninstall Kelly from the machine.
2）Lower the servo-frame with a hoist device.
3 ） Check wear plate, replace it if serious damage is found. The replacement criteria are as
below:
Wear plate on the left and right, when abrasion of value a is less than 14mm, replace it;
Wear plate on the front and rear, when abrasion of value b is more than 80mm, replace it.
FIG.8-7-1 Gap of Servo-frame Wear Plate
8.7.2 Inspection and Repairing of the Pressing Plate of Kelly Bar
Check the abrasion of pressing plate of Kelly bar every 250 hour. If the abrasion exceeds
than 10mm, please contact with the manufacturer to repair that, as shown in FIG. 8-7-2.