SWDM240B OPERATION & MAINTENANCE MANUAL
the damaged part with gas and weld it.
Repair of Kelly Drive Sleeve
1.If the end surface is uneven, rub it down to flat.
2. If then end surface is too rough, cut it with gas into a plane, open a ring groove, and then
weld it with a special part for drive sleeve end surface.
3. Change the drive sleeve and arc plate spline if itās damaged severely.
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