Position the coupling halves (5, fig. 43)
together and secure with eight bolts (4) and
b. Cleaning and Inspection.
(1) Clean the outside of the engine with a cloth
(4) Install the side panels and top hood on the
dampened with cleaning solvent; wipe dry.
Take care not to allow solvent on hoses,
103. Stub Shaft and Drive
electrical parts, or inside the engine.
(2) Inspect the engine for loose mounting parts
a. Removal. The stub shaft and drive mounted on
cracks, leaks, defective hoses or tubes,
the flywheel housing of the engine can be
breaks, signs of failure, or other damage.
Refer a damaged or defective engine to
or after removing the assembled engine (para
102a). Normally, it is easier to remove the
pump. The removal procedure is the same for
(1) Position the coupling half (5) with the
assembled seal (2) and retaining ring (1) on
the stub shaft mounted at the flywheel end
(12) that secure the thrust plate (4) to the
of the engine. Install the key and coupling
flywheel housing; remove the thrust plate
hub (3) on the shaft.
and assembled stub shaft (10), ball bearing
(2) Using a hoist, position the engine on the
(5), retaining rings (3 and 6), and seals (2
skid base. Use a straightedge to assure that
the pump shaft and stub shaft are exactly
Match-mark the drive adapter to the
aligned and the distance between shafts is 4
flywheel. Remove the four bolts (13) and
inches. Install shims under the engine to
lockwashers (14) that secure the drive
provide correct alignment of shafts. Install
adapter to the flywheel of the engine;
the engine mounting bolts (5, fig. 43) and
remove the drive adapter.
(3) Remove the keys (9) from the stub shaft.
Recheck shaft alignment after
b. Stub Shaft Disassembly.
tightening the mounting bolts. Realign and
(1) Install two Y-20 x 1-inch capscrews in the
reshim if necessary.
threaded holes of the bushing (8). Attach
Figure 46. Stub shaft and drive, exploded view.