Simplicity 1693647 555M manual

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OPERA T OR’S MANUAL Intermediate Snowthrower Models 555 Models Mfg. No. Description 1693646 555M, 5HP Snowthrower, Manual Start 1693647 555M, 5HP Snowthrower, Manual Start (Export) 755 Models Mfg. No. Description 1693648 755M, 7HP OHV Snowthrower, Manual Start 1693649 755M, 7HP OHV Snowthrower, Manual Start (Export) 1720407-00 Rev 6/1999 TP 100-2[...]

MANUFACTURING, INC. 500 N Spring Street / PO Box 997 Port Washington, WI 53074-0997 www.simplicitymfg.com © Copyright 1999, Simplicity Manufacturing, Inc. All Rights Reserved. Printed in USA.[...]

Engine Make Engine Type/Spec Engine Model Engine Code/Serial Number ENGINE REFERENCE DATA 1 T able Of Contents SAFETY RULES General ...................................................................2 Preparation .............................................................2 Operation ................................................................[...]

2 Safety Rules GENERAL • Read the Operator’s Manual carefully. Be thoroughly familiar with all controls and proper equipment use. • Never allow children to operate the machine. Do not allow adults to operate it without proper instruction. • Keep the area of operation clear of all persons, par- ticularly small children and pets. • Never di[...]

3 Safety Rules OPERA TION • Keep hands and feet away from rotating parts. Keep clear of discharge opening at all times. • Always clear snow up and down the face of slopes, never across the face. Use extreme caution when changing direction on slopes. Do not attempt to clear slopes over 17.7% (10 o ) . • Use extreme caution when operating on or[...]

4 SAFETY DECALS Safety warning decals are placed at strategic locations on the snowthrower as a constant reminder to the opera- tor of the most important safety precautions. All warning, caution and instructional messages on your snowthrow- er should be carefully read and obeyed. If any of these decals are lost or damaged, replace them at once. The[...]

5 ENGINE CONTROLS SNOWTHROWER CONTROLS Figure 2. Engine Controls - 5HP Models Figure 3. Engine Controls - 7HP Models A* Electric Start Button (Optional) Activates electric starter B* Fuel Valve Turns fuel supply on or off. C Starter Handle Used to start engine D Primer Button Primes carburetor for faster cold starting. E Throttle Lever Controls eng[...]

6 ST ARTING CONTROLS Units with Optional Electric Start A. Electric Start Button - The Electric Start Button (A, Figures 4 & 5) activates an electric starter mount- ed to the engine, eliminating the need to pull the starter handle. The Electric Start Button operates on 120 Volts AC, which is provided by connection to the extension cord provided[...]

7 Controls Figure 6. Operator's Control Position A. Speed Selector C. Auger Control B. Drive Control D. Chute Direction Control Figure 7. Snowthrower Controls A. Speed Selector E. Chute Deflector B. Drive Control F. Chute Deflector Knob C. Auger Control G. Skid Shoes D. Chute Control H. Traction Lock Pins A B C D A D B E F G H C GROUND SPEED C[...]

8 GENERAL OPERA TION CHECKS BEFORE EACH ST ART -UP 1. Make sure all safety guards are in place and all nuts, bolts and clips are secure. 2. Check the engine oil level. See your engine Owner’s Manual for procedure and specifications. 3. Check to make sure spark plug wire is attached and spark plug is tightened securely. If necessary, torque spark [...]

9 Operation ST ARTING THE ENGINE 1. Turn the fuel valve (B, Figures 8 & 9) to the ON posi- tion. 2. Insert the Engine Key (F, Figures 8 & 9) into the Engine Key slot and push fully in to the RUN position. 3. Move the Throttle Lever (E, Figures 8 & 9) fully up to the FAST position. 4. Fully close the Choke (G, Figures 8 & 9) if engin[...]

10 Operation OPERA TING THE SNOWTHROWER 1. Rotate the discharge chute to the desired direction. 2. Set the Speed Selector to the desired forward speed. 3. Fully press and hold the Auger Control (C, Figure 10) on the right-hand grip to begin auger rotation. To dis- engage the auger, completely release the lever. 4. Fully press and hold the traction [...]

11 Operation DEFLECTOR The distance of the discharged snow is mainly controlled by the position of the deflector (Figure 12). (Engine speed also affects distance of discharge.) The more the deflector is tilted UP, the farther snow will be thrown. Loosen the deflector knob, tilt the deflector UP or DOWN, and then retighten the knob when the desired [...]

Figure 14. Traction Drive Lock - Disengaged 12 Operation FREE-WHEELING AND TRACTION DRIVE LOCK For easy turning when pushing the snowthrower, you can disengage the traction drive at one or both wheels by using the Traction Lock Pins (See Figures 14 & 15.) 1. Turn the unit off, remove the Engine Key, and discon- nect the spark plug wire. 2. To D[...]

13 Regular Maintenance NORMAL CARE Check auger gear case lubrication.** Lubricate snowthrower . Check tire pressure. Change engine oil.* ✛ Clean or replace spark plug. ✛ Check drive linkage/belt tension 25 Hours 10 Hours Monthly 50 Hours ✛ Y early 4-6 Hours Simplicity Winter Weight Worm Gear Oil 10W Oil and Grease N/A See Engine Manual See En[...]

14 Regular Maintenance There are two grease fittings on the auger shaft (Figure 18). Wipe the fittings clean and apply grease, using a grease gun. Also apply grease on other points indicated. Apply medium weight (10W) oil to points shown(See Figures 17 - 19). Generally, all moving metal parts should be oiled where contact is made with other parts. [...]

15 Regular Maintenance 01 MAINTENANCE RECORDS:[...]

Service 16 PROBLEM POSSIBLE CAUSE REMEDY Engine fails to start. 1. Key is OFF. 2. Failure to Prime cold Engine 3. Fuel valve is in CLOSED position. 4. Out of fuel. 5. Choke OFF - cold engine. 6. Engine flooded. 7. Spark plug not sparking. 8. Water in fuel, or old fuel. 1. Push key in to the ON position. 2. Press Primer Button twice and restart. 3. [...]

17 Service PROBLEM POSSIBLE CAUSE REMEDY Auger rotates, but snow is not thrown far enough 1. Chute deflector too low. 2. Engine speed too slow. 3. Ground speed too fast. 4. Snowthrower discharge chute clogged. 5. Auger belt loose or worn. 1. Adjust deflector as necessary. 2. Set speed to full throttle. 3. Use slower Speed Selector setting. 4. STOP [...]

18 SPEED SELECTOR PIVOT ADJUST- MENT The Speed Selector is factory set for optimal perfor- mance at each forward and reverse speed setting. However, if drive system components have been replaced, adjustment may be necessary. Adjust as follows: 1. Move the ground speed control (A, Figure 20) fully forward. 2. Loosen the hardware (B) securing the upp[...]

19 Service Figure 22. Auger Drive Clutch Rod Adjustment Auger Drive Clutch Rod Auger Drive Clutch Rod Spring Adjustment Hex Nuts AUGER DRIVE CLUTCH ROD ADJUSTMENT The auger drive clutch rod should be adjusted so that there is no slack in the rod when moved slightly from side to side. To adjust tension on the rod: 1. Loosen adjustment hex nuts (Figu[...]

20 Service DRIVE BEL T ADJUSTMENT (Continued) If the auger drive slips (auger slows or doesn't rotate nor- mally while blowing snow), or stays engaged when the control is disengaged — and the auger clutch rod has been properly adjusted — the auger drive belt may be out of adjustment. Checking Auger Belt & Belt Guide Adjustments 1. Inse[...]

21 Service DRIVE BEL T ADJUSTMENT (Continued) Adjusting Auger Belt Guide 1. With the Auger Control still fully depressed, adjust the Auger Belt Guide so that there is a 1/64” gap (1/32” Maximum) between the end of the guide and the belt (Figure 27), making certain the guide is NOT putting pressure on the belt. 2. Making certain the Auger Belt G[...]

22 Service DRIVE BEL T REPLACEMENT (Cont.) Auger Drive Belt Replacement 1. Remove gas from fuel tank and run engine until it stops running from lack of fuel. 2. Disconnect spark plug wire and fasten it away from the spark plug. 3. Remove belt cover (See Figure 27). 4. Loosen auger belt guide and slide belt off engine pul- ley and away from idler pu[...]

23 Figure 32. Auger Bearings AUGER SHAFT BEARING REPLACEMENT If auger shaft bearings need replacement, proceed as follows: 1. Pry off the E-ring (Figure 32). 2. Remove the washers, then pull the bearing out of the housing and off the shaft. 3. Apply a coating of grease to inside diameter of bear- ings. 4. Install new bearing by aligning bearing fla[...]

24 Service DISCHARGE CHUTE WORM ASSEMBL Y ADJUSTMENT If the Discharge Chute becomes difficult to rotate or begins to operate erratically, the Worm Assembly may require adjustment: 1. Loosen the adjustment screw under the Worm Assembly mounting area (Figure 33). 2. Slide the Worm Assembly in or out to provide smooth engagement between the worm wire [...]

25 ENGINE Make ................................................................Tecumseh Cylinders ........................................................................1 Cycles .............................................................................4 Crankshaft .......................................................Horizontal 5 HP (555M) - M[...]

26 COMMON REPLACEMENT P ARTS Listed below are part numbers for the more common replacement parts. Use only genuine Simplicity replace- ment parts to assure optimum performance and safety. Simplicity Gas Stabilizer - 8 oz. Bottle ........................................................1685748 - Case of 12 Bottles (8 oz. ea.) ........................[...]