Clutch-Brake Adjustment; Mower Pto - Simplicity SunRunner 1691331 Operator's Manual

Adjustments
7. Tighten the two adjustment screws (A, figure 29).
8. Tighten the jam nut (B, figure 29) against inner nut.
9. Shut off the engine.
10. Make sure transmission control lever is in neutral.
11. Tighten the two nuts (B, figure 28) against the guide.
12. The rider can be taken off the jackstands.
CLUTCH-BRAKE ADJUSTMENT
1. Release parking brake.
2. The clutch rod spring (E, figure 28) should measure
1-3/16" to 1-5/16" along the long side. To adjust,
tighten or loosen the nut (F).
3. Pull the brake rod (H, figure 28) toward front as far as
possible. Tighten or loosen the nut (G) to achieve a gap
of 3/8 inch between rear surface of nut and the guide
that rod extends through.
MOWER PTO ADJUSTMENT
1. Locate the mower PTO spring on the PTO rod. For 36"
mower, see item C, figure 20, on page 25. For 42"
mower, see item D, figure 21, on page 25. For the 42"
mower, remove left-hand belt cover, if desired, for ease
of access.
2. When the mower PTO lever is engaged, the spring
length should measure 4-3 /4 inch as shown in figure 30
or 31, next page. To adjust the 36" mower, go to step 3.
To adjust 42" mower, go to step 4.
36" Mower
3. Disengage the mower PTO lever. Locate the two nuts
on PTO rod in front of the spring. Loosen the outer nut
so inner nut can be adjusted. Tighten nuts onto rod to
increase measurement or back off rod to decrease.
Engage PTO lever to re-check measurement. When 4-
3/4" measurement is attained with lever engaged,
tighten the outer nut against the inner nut. This
completes adjustment for the 36" mower.
42" Mower
4. Disengage the mower PTO lever. Disconnect the PTO
rod by removing pin (D, figure 31). Push the PTO rod
forward to expose the nuts which are inside the spring.
Loosen outer nut so inner nut can be adjusted. Tighten
nuts onto rod to increase measurement or back off rod
to decrease. Engage PTO lever to re-check
measurement. When 4-3/4" measurement is attained
with lever engaged, tighten the outer nut against the
inner nut. Go to step 5.
42" Mower
5. Reinstall the belt covers with nuts and washers at four
locations (B, figure 19) and one screw (C). Notice that
channels inside covers act as belt guides. There should
be clearance between covers and belt when PTO is
engaged.
31