7.
Install new arbor
pulley(D,
figure 8) with hubdown.
Use new 7/
16-14
x
2-l/4
capscrew and washers
removed in step 2. Torque to 55 to 60 ft.
Ibs.
Use
wood block to prevent blade from turning. It may be
necessary to add washer(s) (two provided) under-
neath the new pulley to properly align brake pad and
bottom groove. Refer to figure 9C.
8. Slip the mower drive belt onto the lower groove of
the new pulley (D. figure 8). With the belt engaged.
adjust the belt stops
l/S”
from belt. Tighten the
hardware.
9. If mower is equipped with blade brake, adjust the
brake after installing new double groove pulley as
follows:
a. Engage the PTO lever. Be sure that mower drive
belt tension is correctly adjusted (see Operator’s
Manual).
b. Inspect the brake pad (A, figure 9C) to V-pulley
(B)
clearance.~
With PTO engaged, clearance
should be
l/
I6
inch as shown in tigure 9C.
’
C.
If adjustment is required. turn adjusting nuts (A,
figure 9D) until proper clearance is reached.
Figure 9C.
6.
Bottom Groove Double
Pulley
A.
Brake Pad
C. Washers (If Required)
igure
9D.
A. Blade Brake Adjustment Nuts
IO. The baffle (E, figure
10)
is installed in the blower
housing for use with 42” mower. For
use
with 48”
mower, remove the baffle and install in hole marked
48”.
Figure 10.
A. Blower Drive Belt ,
B. Idler Pull& E. Baffle
c. Spacer F. Driven
Pulley
D. Belt Guide
G. Notch
NOTE
On 42” and 48” mowers, the capscrew installed in
next step is used in the hole occupied by a screw
held in place by a retaining nut. (This screw secured
the right-front corner of the arbor cover.) Remove
this screw from mower deck by tapping out with a
hammer or prying off the retaining nut.
II. Install the belt
ccwer
(B, figure II) with hardware
shown. Items E through M. (Figure I I shows blower
housing but it is not installed at this point of the
procedure.)
12.
Install wing nut (N, figure II) as follows:
a. Remove existing hardware from front end of
stone guard.
b. From inside deck. install new 5/
16-18
x
2-l/4
carriage bolt (F. figure 12). Then install the cup
(A, figure
12),
5/ 16 lockwasher (B), and 5/ 16 nut
(C).
Tighten the nut.
c. Thread the wing nut (D) far enough onto the
screw so that the 5/
16
locknut(E) can be threaded
on flush with the end of screw.
