Figure 5-179. Removing or installing upper main sleeve bearing halves

Install

Remove

1. Remove six upper main sleeve bearing halves (A)

Note. Numbers 1 through 7 indicate main

f r o m bearing bores in crankcase assembly. Mark

bearing sleeve locations beginning from the

respective locations of bearings on the back of bearing

front.

half using a grease pencil; e.g., "l-case", "2-case", etc.

2. Remove upper main thrust sleeve bearing half(B) and

1. Install

upper main thrust sleeve bearing half (B)

mark as "4-case" for identification.

marked

"4-case" in main bearing bore.

2. Install

six upper main sleeve bearing halves (A) in

bearing

bores in accordance with respective location

marks.

Figure 5-179. Removing or installing upper main sleeve bearing halves.

Install

Remove

1 . Refer to figure 5-147 and install 12 crankcase

1. Cut locking wire (A). Remove 12 slotted nuts (B) and

protectors - 4910-795-7951 (C).

remove six piston oiler nozzle assemblies.

2. Position six piston oiler nozzle assemblies in crankcase

2 . Refer to figure 5-147 and remove 12 crankcase

and install 12 slotted nuts (B) securing nozzle

protectors - 4910-795-7951 (C).

a s s e m b l i e s to crankcase. Install locking wire (A)

securing slotted nuts (B).

Figure 5-180. Removing or installing piston oiler nozzle assemblies.

5-105