Hale Q Series Muscle - Manual (Page 171)

171 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
Gearbox Maintenance 
Idler Shaft
Figure 9-12: Idler Shaft Assembly
Removal
1. Remove the gearbox cover, tail shaft, KPS, and input shaft.
2. Remove 1/2-13 x 1-1/2” screw and brass washer.
3. Insert a brass drift or similar into the 1/2-13 tapped hole and tap the idler shaft out
of the gearbox housing.
4. Remove idler gear assembly and spacer from gearbox housing.
5. Begin disassembling the idler gear assembly by removing the bearing cups,
shims, and inner spacer.
6. Next, tap the bearing cones from the idler gear. Take care not to damage the
gear.
7. Using retaining ring pliers, remove the two retaining rings from the idler gear.
8. Remove O-ring from idler shaft.