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| Troubleshooting, Adjustment & Service | |||
PTO Clutch Adjustment |
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WARNING |
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| To avoid serious injury, perform adjustments |
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| only with engine stopped, key removed and |
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| tractor on level ground. |
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| All other Models: S/N: All |
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| Briggs & Stratton |
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| 2013556397 & Above: |
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Check the PTO clutch adjustment after the initial 25 |
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hour |
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of operation. Also perform the following procedure |
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if the clutch is slipping or will not engage, or if a new |
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clutch has been installed. |
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| Figure 46. PTO Clutch Adjustment |
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1. Remove key from ignition switch and disconnect | A. Adjustment Window (Qty. 3, one shown) |
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spark plug wires to prevent the possibility of |
| B. Adjustment Nut |
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accidental starting while the PTO is being |
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adjusted. |
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2. See Figure 46. Note the position of the 3 |
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| Reproduction |
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adjustment windows (A) in the side of the brake | orf |
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plate and the nylock adjustment nuts (B). |
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3. Insert |
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(C) through each window, positioning the gauge |
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between the rotor face and the armature face as |
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shown in Figure 47. | Not |
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4. Alternately tighten the adjustment nuts (B, Figure | C |
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47) until the rotor face and armature face just |
| Fig re 47. Adjust PTO Clutch |
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contacts the gauge. |
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5. Check the windows for an equal amount of drag | A. Win ow |
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B. A justment Nut |
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when the gauge is inserted and removed, and |
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make any necessary adjustments by tightening |
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loosening the adjustment nuts. |
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NOTE: The actual air gap between the rotor and |
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armature may vary even after performing the |
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adjustment procedure. This is due to dim nsional |
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variations on component parts, and is an acc ptable |
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A |
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condition. |
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6. Check the mower blade stopping time. See |
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BLADE BRAKE CHECK. The mower blades and |
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mower drive belt should come to a complete stop |
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within seven (7) seconds after the electric PTO |
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switch is turned off. |
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Briggs & Stratton |
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2013556397 & Above: |
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If the clutch is slipping or the clutch will not engage, |
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the air gap can be adjusted by removing the |
| Figure 48. PTO Clutch Adjustment |
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shim to allow the clutch to continue to function. |
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| A. Brake Mounting Bolts |
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1. Loosen both brake mounting bolts (A, Figure 48) | B. Brake Pole |
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1/2 to 1 full turn as shown in Figure 48. |
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IMPORTANT NOTE: Do not remove the brake pole (B, Figure 48) from the clutch. The brake pole must remain in the correct position to ensure proper brake torque.
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