Related Manuals for Toro 521
Summary of Contents for Toro 521
- Page 1 FORM NO. 3316–636 Rev. A Snowthrower Model No. 38052 – 5900001 & Up Operator’s Manual...
- Page 2 WARNING: The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
- Page 3 2. Outer axle hole 1. Small wire connector and Phillips head screw 1. Handle 3. Axle pin 2. Flange head capscrew 2. Capscrews and curved and large wire connector washers The Toro Company – 1995 Printed in USA All Rights Reserved...
- Page 4 1. Speed selector arm 3. Flat washer and cotter pin 2. Speed selector rod 1. Auger control lever 3. Speed selector 2. Traction control lever 4. Speed selector rod 1. Traction rod 3. Lower traction rod 2. Loop 4. Flange nuts 1.
- Page 5 1. Jam nut 4. Lower control rod 2. Clevis 5. Clevis pin 1. Auger control lever 3. Approximately four inches 3. Upper control rod 6. Cotter pin 2. Handgrip 4. One to two inches 1. Chute control bracket and 2. Capscrew and locknut...
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Page 6: Table Of Contents
1. Worm gear and bracket 3. Mounting flange 2. Bolt, pyramidal washer and locknut 1. Filler hole 3. Fuel tank cap 2. Dipstick 1. Chute 5. Friction plate 1. Auger drive control 5. Discharge chute control 2. Deflector 6. Large flat washer 6. - Page 7 1. Skid 3. Flange nuts 2. Auger side plate 1. Choke 3. Throttle 2. Primer 4. Recoil starter 1. Scraper 3. Auger blades 2. Mounting screws 1. Carburetor heater box 3. Hex head screw 2. Phillips screws 1. Fuel shut–off valve 3.
- Page 8 1. Drain plug 1. Four screws 1. Pipe plug...
- Page 9 1. Traction drive belt 5. Large auger/impeller pulley 2. Auger/impeller drive belt 6. Engine pulley 3. Belt guide 4. Idler pulley 1. Belt cover 2. Screw (2) 1. Spring 3. Large traction pulley 2. Notch in side plate...
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Page 10: Speed Selector
1. Flange nuts 2. Speed selector plate 1. Power adjusting screw 3. Idle speed screw 2. Idle mixture screw 1. Spark plug wire 650/913 1. Roll pin 2. Drive assembly viii... -
Page 11: Introduction
......All of us at Toro want you to be completely satisfied Accessories . -
Page 12: Safety
Before Operating The Toro warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury, even death. Read and understand the contents of this manual DANGER, WARNING and CAUTION are signal before operating the snowthrower. -
Page 13: Fuel Tank Cap
B. Fill fuel tank outdoors, not indoors. 13. Allow engine to warm up outdoors before NEVER ADD FUEL TO AN ENGINE clearing snow. THAT IS RUNNING OR HOT. Engine 14. Operate the snowthrower only when there is must be cool to reduce potential fire hazard. good visibility or light. -
Page 14: Maintaining Snowthrower
Authorized TORO genuine TORO replacement parts and Service Dealer for assistance. accessories to keep the TORO all TORO. NEVER USE “WILL FIT” REPLACEMENT 25. Keep snowthrower in safe operating condition by keeping nuts, bolts, and screws tight. Check PARTS AND ACCESSORIES. -
Page 16: Safety Decals And Instructions
Safety Decals and Instructions Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. ON CONTROL PANEL (Part No. 66–6830) ALONGSIDE THROTTLE (Part No. 63–2450) ON AUGER HOUSING NEXT TO PRIMER (Part No. -
Page 17: Clevis Pin
Loose Parts Part Cotter Pin Install on Speed Selector Rod Install on Speed Selector Rod Flat Washer Capscrews & Curved Washers Install Handle Clevis Pin Cotter Pin Install Auger & Traction Drive Control Rod ll A & T l R d Flange Nut Capscrew &... -
Page 18: Traction Rod
Assembly Install Speed Selector Rod Pull speed selector arm (Fig. 5) to the fully “out” Note: Determine left and right sides of position and move speed selector (Fig. 7) on snowthrower by standing in the normal control panel to the R (REVERSE) position to operating position. -
Page 19: Jam Nut
Install Auger Drive Control Apply No. 2 general purpose grease to worm gear. Next, mount worm gear and bracket to Linkage mounting flange and secure with pyramidal washer and locknut (Fig. 12). Loosen jam nut above clevis on upper control rod (Fig. -
Page 20: Before Starting
GASOLINE CONTAINING METHANOL, GASOHOL CONTAINING MORE THAN 10% ETHANOL, PREMIUM GASOLINE OR WHITE GAS BECAUSE ENGINE FUEL SYSTEM DAMAGE COULD RESULT. Toro also recommends that Toro Stabilizer/ Conditioner be used regularly in all Toro gasoline powered products during operation and storage... -
Page 21: Speed Selector
Toro Stabilizer/Conditioner cleans the Ignition Switch (Fig. 15)—Switch has two positions: engine during operation and prevents gum–like ON and OFF. Rotate key to ON position before varnish deposits from forming in the engine during starting engine with the recoil starter. To stop engine, periods of storage. -
Page 22: Operating Tips
Before Stopping Remove (2) Phillips screws and (1) hex head screw securing heater box in place (Fig. 17). Pull Engage auger to clear any remaining snow from choke knob off choke rod (Fig. 16). inside the housing. Lift heater box up and away from the engine, Run engine for a few minutes to help dry off any and reinstall choke knob on mounting pin. -
Page 23: Auger Side Plate
Discharge snow downwind whenever possible, In wet or slushy conditions, clogging of the and overlap each swath to ensure complete snow discharge chute will be reduced by maintaining removal. If wheels slip, shift into a lower gear to maximum engine speed and by not overloading reduce forward speed. -
Page 24: Flange Nuts
flange nuts securing both skids to the auger side plates (Fig. 18). Skids will now support the auger blades and scraper above the ground. POTENTIAL HAZARD Gasoline is highly flammable. For Gravel Surfaces WHAT CAN HAPPEN Gasoline can be ignited and cause serious For gravel or crushed rock surfaces, adjust the skids personal injury. -
Page 25: Changing Crankcase Oil
If level of grease is low, add MAG-1 grease (a deteriorate. low temperature, high pressure grease, Toro part no. 505–101) to the gear box until point of Reinstall bottom cover with (4) screws. -
Page 26: Replacing Traction Drive Belt
Traction Rod, page 8. Make adjustments if required. If linkage is adjusted correctly and problem POTENTIAL HAZARD persists, contact your local Authorized Toro Spring is under heavy tension. Service Dealer. WHAT CAN HAPPEN Spring could be thrown in operator’s or Adjusting Speed Selector bystander’s direction. -
Page 27: Adjusting Carburetor
Pull wire off spark plug and make sure wire does Idle Mixture Screw (Fig. 30)—Close screw by not contact plug accidentally. gently rotating it clockwise until a slight seating resistance is felt. Next, rotate idle mixture screw Remove (4) screws securing bottom cover to 1–1/2 full turns counterclockwise. -
Page 28: Replacing Spark Plug
PREPARE THE FUEL SYSTEM: Again, rotate idle speed screw (Fig. 30) until Add Toro Stabilizer/Conditioner to the fuel tank engine idles at 1750 rpm. (one ounce per gallon of fuel). Check carburetor adjustment by quickly moving Run engine for five minutes to distribute throttle from low speed to high speed. - Page 29 Clean the snowthrower. Touch up chipped surfaces with paint. Toro Re–Kote paint is available from an Authorized TORO Service Dealer. Sand affected areas before painting, and use a rust preventative to prevent metal parts from rusting. Tighten all screws and nuts. If any part is damaged, repair or replace it.