Electric Pto Clutch Adjustment - Snapper PRO S200XT Operator's Manual

Electric PTO Clutch Adjustment

This procedure pertains to models equipped with a 37
gross HP* Briggs & Stratton engine.
WARNING
To avoid serious injury, perform adjustments
only with the engine stopped, the ignition
key removed, and the unit parked on level
ground.
Check the electric PTO clutch adjustment after the
initial 25 hour break-in period and then after every 100
hours of operation. If the electric PTO clutch is slipping
or the electric PTO clutch will not engage, the air gap
can be adjusted by removing the re-gap shim to allow
the electric PTO clutch to function.
1. Loosen both brake mounting bolts (A, Figure 55)
1/2 to 1 full turn as shown in Figure 55.
NOTE: Do not remove the brake pole (B) from the
electric PTO clutch. The brake pole must remain in
the correct position to ensure proper brake torque.
2. Using needle nose pliers, grasp the tab of the
re-gap shim (C) and remove the re-gap shim from
the electric PTO clutch.
3. Re-torque each brake mounting bolt to 10 ft. lbs.
(13,5 Nm).
4. Using a .010" thick feeler gauge (A, Figure 56),
verify that the gap is present between the rotor (B)
and armature face (C) on both sides of the brake
pole as shown in Figure 57.
• If the gap is less than .010, the electric PTO clutch
will need to be replaced;
• If sufficient gap is present, proceed to the Blade
Brake Check procedure.
Blade Brake Check
Mower blades and mower deck drive belt should come
to a complete stop within seven (7) seconds after
electric PTO switch is turned off.
1. With parking brake engaged, PTO disengaged and
an operator in the seat, start the engine.
2. Have an assistant observe the mower drive belt
through the open end of the left-hand arbor cover.
Engage the PTO and wait several seconds.
Disengage the PTO and check the amount of time
it takes for the mower drive belt to stop.
3. If the mower drive belt does not stop within seven
(7) seconds, perform the Electric PTO Clutch
Adjustment. If the belt still does not stop within
seven (7) seconds, see your dealer.
B
A
Figure 55. Electric PTO Clutch Brake Mounting Bolts
B
A
C
Figure 56. Electric PTO Clutch Gap Measurement with
Feeler Gauge
Maintenance
C
A
A
45