Section IX. OVERHAUL OF REAR FAN DRIVE HOUSING AND CLUTCH ASSEMBLY AND ACCESSORY DRIVE HOUSING

Section IX. OVERHAUL OF REAR FAN DRIVE HOUSING AND

C L U T C H ASSEMBLY AND ACCESSORY DRIVE HOUSING

General

6-41.

the fan drive housing oil passage. The housing

was redesigned to eliminate the need for

a . This section covers the overhaul of the rear

r e s t r i c t o r s on improved design engines. It cannot

fan drive housing and clutch assembly and

be determined whether a housing has an oil

a c c e s s o r y drive housing. Specific instructions on

restrictor unless the housing is completely

d i s a s s e m b l y , cleaning, inspection, repair, and as-

d i s a s s e m b l e d , as the exposed end of the restrictor

sembly accompany the overhaul operations.

has the appearance of a hexagon socket head

Overhaul standards of individual components

pipe plug.

follow the inspection procedures. Stud iden-

c. The clutch assembly used in the rear fan

tification information is included in the repair

drive housing is the same as that used in the front

p r o c e d u r e s . Refer to the following table (table 6-

f a n drive housing. Refer to paragraph 6-39c for

29 for applicable illustrations and instructions

differences between piston actuated and

for overhaul operations.

mechanical clutch assemblies.

b. T h e r e a r f a n d r i v e h o u s i n g s o n o r i g i n a l

production engines required an oil restrictor in

Table 6-29. Rear Fan Drive Housing and Clutch Assembly

and Accessory Drive Housing

Cleaning

Inspection

Assembly

Component

Repair

Rear Fan and

Figs. 6 - 1 5 8 , 6 -

6-156

Table 6-32

Accessory Drive

through 6-158

157, 6-206, 6-156

Housing Assembly

Rear Fan and

6-116

Accessory

Table 6-32

Drive

6-205

through 6-202, 6-

through 6-118, 6-

Housing

Fig. 6-187

190 through 6-

159 through 6-

188, 6-206, 6-170

172,

6-124

through 6-126

through 6-168, 6-

1 6 7 or 6-166, 6-

172, 6-164,6-162,

6-161, 6-159, 6-

155, 6-154; 6-153

through 6-151, 6-

157,6-156, 6-115,

6-114

P a r a 6-40c

P a r a 6-40d

Piston

Actuated

Para 6-2

Para 6-40a

P a r a 6-40c

Clutch Assembly

Figs. 6-149, 6-146

Table 6-26

Figs. 6-128, 6-130

through 6-137, 6-

through 6-132, 6-

134,

134 through 6-

6-132

through 6-130, 6-

137, 6-146

128

Mechanical

Figs. 6 - 1 4 7 , 6 -

Table 6-27

Clutch Assembly

through 6-131, 6-

145, 6-144, 6-138,

133, 6-135,6-136,

6-135, 6-133, 6-

6 - 1 3 8 , 6-144, 6-

1-31 through 6-129

Figs. 6 - 1 9 1 , 6 -

147

6-173

192, 6-181, 6-193

Fuel

Injection

Table 6-31

through 6-198

through 6-186

Pump

Advance

Assembly

6-134