Figure 4-34. Removing or installing cooling fan vanes.

fan housing mounts lower into the cooling fan

Remove

1. Remove two bolts (A) and lock washers.

shroud and takes the narrow lip cooling fan

2. Remove two cap screws (B) and lock washers and

v a n e . B e s u r e t h e w i d e l i p is not i n s t a l l e d o n t h e

remove cooling fan vane from front fan housing.

front fan housing as this will interfere with the

3. Remove two bolts (C) and lock washers.

fan

and

cause

damage

both

fan

and

vane

4. Remove two cap screws (D) and lock washers and

remove cooling fan vane from rear fan housing.

housing.

Install

1. Position cooling fan

vane in rear fan housing and

Note. When installing the cooling fan vanes, it

install two cap screws

(D) and lock washers.

is important that the proper cooling fan vane is

2. Install two bolts (C)

and lock washers.

3. Position cooling fan

vane in front fan housing and

installed on the correct fan housing. The rear fan

install two cap screws

(B) and lock washers.

housing (flywheel end) mounts noticeably higher

4. Install two bolts (A)

and lock washers.

than the front fan housing and takes the wide lip

cooling fan vane (item 3, fig. B-25). The front

Figure 4-34. Removing or installing cooling fan vanes.

Remove

1. Remove cotter pin, slotted nut (A), and flat washer.

Discard cotter pin.

2. Remove front cooling fan and hub assembly (B) from

vertical drive shaft.

3. Remove rear cooling fan and hub assembly (C) in the

same manner.

Install

1. Position front cooling fan and hub assembly (B) on

vertical drive shaft.

2. Install flat washer, slotted nut (A), and new cotter pin

securing fan and hub assembly.

3. Install rear cooling fan and hub assembly (C) in the

same manner.

Figure

4-35.

Removing

installing

cooling

fans.

4-18