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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.
attaching parts for rear fan and accessory
drive housing assemblies-left side.
5-72
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