Maintenance
Maintenance (Continued)
! | WARNING |
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DO NOT attempt any maintenance, adjustments or service |
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with engine and blade running. STOP engine and blade. |
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Disconnect spark plug wire and secure away from spark |
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plug. Engine and components are HOT. Avoid serious |
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burns, allow sufficient time for all components to cool. |
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Engine Drive Belt Replacement (Stretch Type |
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Belts - Continued) |
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IMPORTANT: Drain the fuel tank before tipping the mower. |
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DO NOT tip the machine with the carburetor or spark plug |
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down. Oil from the crankcase will saturate the air filter |
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and cause the engine to be hard to start or not start at all. |
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If contamination does occur, the air filter will have to be |
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replaced. |
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| Reproduction |
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3. Remove the driven disc. Refer to the Section entitled |
| Figu e 32: Rem ving the drive disc |
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“Driven Disc Replacement” for driven disc removal |
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procedure. |
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4. Drain the fuel tank before tipping the mower. Do not tilt | |||||||
the mower with the spark plug or carburetor down. Tilt | 1. Remove he dr ven disc. Refer to the Section entitled | ||||||
the mower up on its rear wheels and rem ve | he blade |
| “Repla ing Driven Disc Rubber Ring”. |
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and blade hub. Assistance from another pers | n may be | 2. Note the routing of the old belt around the three pulleys | |||||
necessary to hold the mower in the tilted p siti n. |
| before removing it. |
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5. Hold the slotted end of the drive disc bolt (B, Figure 32) | 3. Place the new | ||||||
with a screwdriver and remove the nut (G) and internal |
| the hex shaft (B) and onto the drive pulley (C). | |||||
tooth lock washer (F). |
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| 4. Work the belt onto the top of the idler pulley (D). | ||||
6. Remove the belt cover, located under the deck. | 5. Twist the belt sideways and pull it upward between the | ||||||
7. Lift the drive disc (A) up and remove the worn belt. |
| differential bracket (E) and driven pulley (F) and then | |||||
8. Loop one end of the new belt over the engine | ulley and |
| down into the pulley groove. Make sure the | ||||
insert the other end through the slot in the | ck. |
| is above the belt guide (G). |
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9. Loop the belt around the pulley on the bottom of the |
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drive disc. |
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10. Reinstall the drive disc and retaining hardware. |
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IMPORTANT: 1) The square shoulder of the drive disc bolt |
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must fit into the square hole of the bushing. 2) The square |
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end of bushing must fit into the bracket slot. |
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11. Reinstall the belt cover and tighten the bolts securely. |
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12. Reinstall the blade hub and cutter blade. Recommended | D |
torque for the blade cap screw is 40 ft. lbs. |
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Figure 33: Poly-v belt routing
20 | www.snapper.com |