Hale Q Series Muscle - Manual (Page 161)

161 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
Gearbox Maintenance 
9.3 K SERIES GEARBOX MAINTENANCE
Oil seals (Input/Tail Shafts)
Figure 9-6: Oil Seal Replacement
Input shaft and tail shaft oil seals are replaced by disconnecting the yoke from the
pump and can be accomplished with the unit installed.
1. Remove the 3/4-10 x 1-3/4” screw and washer and carefully slide the yoke from
the shaft.
2. Remove the defective oil seal being careful not to score the shaft.
3. Carefully insert a new oil seal into the housing.
4. Carefully slide the yoke onto the shaft and secure using the 3/4-10 x 1-3/4” screw
and washer. Torque screw to 260 ft.-lb. (352 N-m). DO NOT overtighten– the yoke
must spin freely.