Figure 5-129. Removing or installing attaching parts for rear fan and accessory drive housing assemblies-right side.

Remove

1. Remove the remaining 12 self-locking nuts (A) and

flat washers attaching rear fan and accessory drive

housing assembly to mounting base.

Remove

2. Remove two self-locking nuts (B) and lock washers to

1. Remove nine self-locking nuts (A) and flat washers

provide for the attachment of fan and advance unit

attaching accessory drive housing to rear fan and ac-

housing sling - 4910-795-7954.

cessory drive housing mounting base.

3. Note that self-locking nut was removed from stud (C)

2. Remove five self-locking nuts (B) and flat washers

when fire extinguisher tube was removed (figs. 5-89 and

attaching rear fan drive housing to mounting base.

5-90).

Install

4. Remove one self-locking nut (D) and flat washer from

1. Install five self-locking nuts (B) and flat washers

each side of the drive housing mounting base flange.

securing rear fan drive housing to rear fan and ac-

Install

cessory drive housing mounting base.

1. Install one self-locking nut (D) and flat washer on

2. Install nine self-locking nuts (A) and flat washers

each side of the drive housing mounting base flange.

securing rear fan drive housing to mounting base.

2. One self-locking nut will be installed at stud (C) when

fire extinguisher tube is installed (figs. 5-89 and 5-90).

Figure 5-129. Removing or installing

3. Install two self-locking nuts (B) and lock washers

attaching parts for rear fan and accessory

used for the attachment of fan and advance unit

housing sling - 4910-795-7954.

drive housing assemblies-right side.

4. Install the remaining 12 self-locking nuts (A) and flat

washers securing rear fan and accessory drive housing

assembly to mounting base.

Figure 5-130. Removing or installing

attaching parts for rear fan and accessory

drive housing assemblies-left side.

5-72