Simplicity 7100 Series Operator's Manual page 28

Troubleshooting & Repair
3. Loosen, but do not remove, the hex nut
holding the idler pulley (G).
4. Loosen or remove the belt guard (E) at
the front pulley.
5. Disengage the clutch to put slack in the
main drive v-belt (C). Remove the main
drive belt from the large rear pulley first
and then from the other pulleys.
6. Remove the spring clip holding the
pivot rod assembly (H), and pull the
pivot rod free as shown.
7. Loosen the hex nut at the small pulley
(D). Then place the shuttle control lever
in REVERSE to put slack in the belt,
and remove the shorter v-helt (B).
8. Install new v-belts designed for your
machine. Remember: the shorter belt
(B) must be installed first.
9. Engage the clutch and place the shuttle
control lever in FORWARD to tension
the belts. Check to be sure the belts are
seated in all pulley grooves.
10. Position the two belt guide fingers (I)
on the small pulley (D) about 1/8 inch
(3 mm) from the pulley. Hold the guide
in positon and retighten the hex nut to
hold the small pulley.
11. Reinstall the pulley belt retainer (A)
26
with the two taptite screws. Position the
retainer so there is 1 /16 to 1/8 inch (1.5
to 3 mm) clearance between the retainer
and all points of both drive pulleys.
Hold the retainer in place and tighten
the screws.
12. Return the shuttle control lever to its
neutral notch. Reinstall the pivot rod
(H) and secure it with the spring clip.
13. Tighten the hex nut to hold the idler
pulley (G) in place. Be sure the belt
guide finger (F) traps the belt in the
idler pulley as shown.
14. Position the belt guard (E) so there is
1 /16 to 1/8 inch clearance between the
guard and all points of the pulley. Hold
the guard in position and tighten the
hex nut to secure the guard.
DRIVE BELT REPLACEMENT —
HYDROSTATIC
1. Tie the clutch-brake pedal down in the
disengaged position.
2. Raise the tractor seat deck.
3. Remove the capscrew (C, figure 17) and
remove the belt guard assembly (B).
4. Remove the two capscrews (D) and the
thread forming screw (E) to remove the
fan guard assembly.
A. Belt
B. Belt Guard
C. Capscrew
D. Fan Guard Capscrews
E. Thread Forming Screw
Figure 17. Drive Belt Replacement -
Hydrostatic
5. Remove the old belt and install the new
one. Make sure the belt is in all pulley
grooves and is not twisted.
6. Reinstall the fan guard with the cap¬
screws (D) and the thread forming
screw (E).
7. Release the clutch-brake pedal and check
to be sure belt is still seated in all
pulleys.