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520 Single Stage Snowthrower
Manual No. 7100193
I.R. 6/10/2005
TP 300-5071-IR-SX-N
5/2005
12
Replacing
the Drive Belt
1. Remove Engine Key from switch.
2. Remove belt cover (see Page 6) and the engine
cover (see Page 8).
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 pul-
leys.
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 13. 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 14. Removing Scraper Blade
Scraper Blade, Bolts & Nuts
Engine
Pulley
Idler
Pulley
Brake
Lever/Roller
Drive Belt
Auger Pulley
MANUFACTURING INC.
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
www.simplicitymfg.com
© Copyright 2005 Simplicity Manufacturing, Inc.
All Rights Reserved. Printed in USA
PRODUCTS, INC.
McDonough, GA., 30253
www.snapper.com