9.52 Drum Drive Motor
(1) Remove the two Drum coupling gear Z52 from the Top drive ASSY.
Drum coupling gear Z52
Gear position: Refer to
(2) Remove the two Drum idle gear Z64 from the Top drive ASSY.
Drum idle gear Z64
Gear position: Refer to
Top drive ASSY
Fig. 3-176
"
Top drive ASSY."
Fig. 3-177
"
Top drive ASSY."
3-128
Drum coupling gear Z52
Top drive ASSY
Confidential