Snapper 520E EN - Manual (Page 18)

17
Troubleshooting & Service
REPLACING THE DRIVE BELT
1. Remove engine key from switch.
2. Remove belt and engine covers.
3. Move the auger control on the handle and slip the
belt out from between the brake lever and roller and
away from the idler pulley.
4. Remove the belt from the engine and auger pulleys.
5. Install new belt around engine and auger pulleys and
under idler pulley. The ribbed side of the belt must be
to the inside, against auger and engine pulleys.
6. Slip the new belt into place between brake lever and
roller.
7. Start the engine and engage/disengage the auger
control several times. Make certain that auger stops
turning within 5 seconds after the control is released.
8. If the auger does not stop turning within 5 second
after the control is released, adjust the tension on the
control cable by following the Adjusting Control Cable
procedure in the Adjustments section of this manual.
9. Reinstall the belt and engine covers.
Figure 15. Drive Belt Replacement
REPLACING THE SCRAPER BLADE
1. Remove engine key from switch.
2. Remove the two bolts and nuts securing the scraper
blade to the auger housing. (Retain the bolts and
nuts for attaching the new blade.)
3. Remove the worn scraper blade.
4. Install the new scraper blade and secure it with the
three bolts and nuts saved in step 2 above.
Figure 16. Removing Scraper Blade
SERVICING THE SPARK PLUG
1. Remove engine key from switch.
2. Remove the engine cover. (See page 13.)
3. Disconnect the wire from the spark plug.
4. Inspect the spark plug and clean. If necessary,
replace the it with a new spark plug as recommended
in the engine owners manual.
5. Adjust the gap on the spark plug to .030 inches (.762
mm) using a gauge.
6. Reinstall the plug and tighten firmly.
7. Reconnect spark plug wire.
8. Reinstall engine cover.
Figure 17. Servicing Spark Plug
Spark Plug
Wire
Scraper Blade, Bolts & Nuts
Engine
Pulley
Idler
Pulley
Brake
Lever/Roller
Drive Belt
Auger Pulley