Hale Q Series Muscle - Manual (Page 151)

151 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
Gearbox Maintenance 
1. Remove and disassemble the tail shaft assembly - four 7/16”-14 hex screws.
(See Figure 9-2: “Tail Shaft Assembly” on page 150.)
2. Remove in the following order:
 Rear bearing cap gasket.
 Outer bearing retaining ring
 Outer bearing
 Inner bearing retaining rings (2)
 Inner bearing
 Tail shaft from the rear bearing cap
 Drive shaft oil seal
3. Clean and inspect all parts for excessive wear, chips, scoring or other damage.
Repair and/or replace accordingly.
Power Gearshift Assembly
(See Figure 9-3: “Power Gearshift Assembly” on page 152.)
1. Set the gear shift to the PUMP position.
2. Remove the 1/2”-20 nylon set screw, spring and ball.
3. Loosen the 3/8”-16 rod end nut. Remove the gearshift rod end and hex nut.
4. Remove the two 5/16” hex nuts and 5/16”-18 screws and remove the gear shift
cover and gasket.
5. Unthread the gearshift rod extension, then remove the piston.
6. Remove the shaft bearing, then the inner retaining ring.
7. Remove two 7/16”-14 screws and remove the cylinder body and gasket.
Note: The gearshift fork cannot be removed from the sliding gear shaft until the sliding gear
is removed. See heading “Sliding Gear and Fork” on page 152.