FORM NQ. 3313-687 OPERATOR'S MANUAL MODEL: 38510 — & UP MODEL: 38540 — & UP jL0 HY 624 and 824 POWER SHIFT SNOW THROWERS J A SAFETY INSTRUCTIONS The 624 and 824 POWER SHIFT SNOW THROWERS nest or exceed the Outdoor Power Equipment Institute’s safety standards for snow throwers; thus, Toto proudly displays the OPE safety seal.
SAFETY INSTRUCTIONS 12. Keep people and pets a safe distance away from the snow thrower and area of operation. 13. Allow engine to warm up for about 2 minutes and machine to adjust to outdoor temperature before clearing snow. 14. Do not run engine indoors, except when starting engine. When starting engine indoors, open outsides roads because exhaust gasses are dangerous. 18. Operate the snow thrower ably when there is good visibility or light.
SAFETY DECALS Safety and instruction decals are located on the snow thrower chassis and engine. Replace any decal that is damaged. AUGER HOUSING {Part No. 53-7670} NEXT TO PRIMER {Part No, 62.5760) ALONGSIDE THROTTLE {Part No. 83-3190) LA e Shula unrlnqqmq INGRES ON CHUTE {Part No. 633740} ENGINE (Part No. 62.
LOOSE PARTS Part Oty Use Flange head corkscrew Mount Auger Housing, page 5 5/8" 1g. Lower belt cover 1 Flange head corkscrew Mount Belt Covers, page 5. Ig. Cable cover 1 Shift rod ) 2 Inst alt Shift Rod, page B Discharge chute i Install Discharge Chute, page 8 Worm gear 1 Gear Bracket 1 Carriage ig 1 Install Chute Control Gear, page § Fiat washer 1 1 Key 1 Use in Ignition Switch Registration card 2 Use to Register Product with Factory Specifications and design subject to change without notice.
SETTING UP INSTRUCTIONS Note: Determine left and right sides of snow thrower by standing in the normal operating position MOUNT AUGER HOUSING {Fig. 1-3} 1. Remove (2 flange head cap screws cunning idler pulley assembly to engine frame. Remove idler pulley assembly. 2. Align auger housing and engine frame mounting holes {Fig. 1} Figure 1 4. filer pulley assembly 5. Mounting screws 12} 1. Auger housing 2. Engine frame 3 impeller pulley 3. Route impeller belt around impeller pulley.
SETTING UP INSTRUCTIONS A. Disconnect ball joint from transmission ravel and loosen jam nut, B. Rotate ball joint up or down, unfit gear shift fever is aligned with Power Shift slot C. Reinstall ball joint to transmission lever and tighten jam nut Figure 4 5. Lockout & Jom nur 7. Gear shift jeer 8. Prows Shift soot 1. Shift rod 2. Ball joint 3. Shift bracket 4. Transmission lever INSTALL DISCHARGE CHUTE {Fig.
SETTING UP INSTRUCTIONS 3. Loosely mount worm gear and bracket to mounting flange with flat washer and lockout 4, Slide worm gear into teeth of chute gear and tighten lockout. 5. Check operation, move gear slightly outward if binding is evident. CHECK TIRE PRESSURE IMPORTANT Check pressure of tires because they are over inflated at the factory for shipping. Therefore, before the snow thrower is aerated, reduce pressure in both tires to 7-15 psi equally.
PREPARATION BEFORE STARTING FILL CRANKCASE WITH OIL {Fig. 8) The engine s shipped from the factory without ofl in the crankcase. Therefore, before trying to start engine, oil must be added to the crankcase. IMPORTANT: Check level of oil every 5 operating hours or each time unit is used. Initially, change oil after the first 2 hours of operation; thereafter, under normal conditions, change oil after every 25 hours of operation or annually. 1.
CONTROLS Dangerfield Central Fig. 9} Control has two positions: ENGAGE and DISENGAGE. To en Gage auger and impeller, compress lever against right handle grip. To disengage, release lever. Traction Drive Control (Fig. 9) — To engage traction or activate power shift system, lever must be compressed against left handle grip. To stop traction, release lever Speed Shift Control (Fig. 91 — The control has four speeds forward and two reverse and also controls power shifting of wheels.
CONTROLS Fuel Shut-Off Naive (Fig. 11} — Valve is located under fuel tank. Close valve to stop fuel flow from fuel tank and open valve to allow fuel to flow to the carburetor, Close valve when snow thrower is not used Deflector Handle Deflector handle on top of discharge chute is used to control the height of the snow stream. Recoil Starter {Fig. 12} — Re coll starter is on pack side of engine. Pull recoil starter 1o start engine. 10 Figure 12 1.
STARTING AND STOPPING INSTRUCTIONS TO STRAY ENGINE Note: If engine is operated when temperature is +40¢ higher, remove carburetor heater box. However, the heater box {Fig. 13} must be reinstalled when temperature falls below +40° remove Hester box: A. Remove mounting screws securing heater box in place. Grasp choke knob and pull it off mounting pin. 8. Lift heater box up and away from the engine, and reinstall choke knob on mounting pin. # 624 Snow thrower 824 Snow thrower Figure 13 1. Mounting screw 2.
OPERATING INSTRUCTIONS POWER SHIFT OPERATION Move wheels rearward to the Power Shift position in heavy and/or drifted snow. Leave wheels in the front position for light snow or for transporting snow thrower. 1. Release traction drive lever. 2. To move wheels to front or rear position, move shift control fully forward 10 Power Shift position and held (Fig. 14} Figure 14 3. Fully engage traction drive fever to move wheels into Power Shift position {Figs, 14 & 15).
OPERATING INSTRUCTIONS 1. Move snow thrower to a level surface. Next, loosen four flange screws securing both skids 10 auger side plates. Skids must slide up and down. 2. Adjust bath skids so there inch between bottom of auger and level surface. When skids are adjusted correctly, tighten flange nuts. Next, check scraper blade that is mounted at bottom of auger housing. Scraper must be parallel with level surface. If scraper is not parallel, adjust skids again.
MAINTENANCE LUBRICATING SNOW THROWER 1. Annually, lubricate drive chain with chain lubricant {Fig. 189). Wipe up any excess oil AUGER GEAR BOX Ol (Fig. 21} The auger gear box Is filled with ofl at the factory so regular maintenance is not required. However, if oil must be replaced in gear box: 1. Drain gasoline from tel tank. Wipe up any spilled gas. 2. Position snow thrower on & level surface. 3. Clean area around pipe plug so dirt is removed. 4.
MAINTENANCE Figure 22 1. Auger impeller cable 2. Action cable 4. Rotate bottom jam nut upward to increase belt tension Note: When adjusting cable, always rotate nut one turn at a time. IMPORTANT: Do not adjust the belt too tight because it may cause the auger/impeller to turn when the auger/impelier is in the disengaged position. If this occurs, readjust, loosening belt tension. 5. Tighten upper jam nut against bracket. A WARNING improper adjustment may cause injury if auger/impsiler turns when disengaged.
MAINTENANCE 7. if replacing traction belt, slide traction pulley and belt off crankshaft and remove belt from transmission pulley. 8. On control cable which corresponds to belt being replaced, loosen jam nuts securing cable to bracket (Fig. 221. Cable must be free to slide in bracket when changing belt(s}. 8. Reinstall belts by reversing procedure. Make sure tabs jn half sheave are inserted into mount. ing groves in auger/impeiier pulley when reinstalling.
MAINTENANCE Figure 28 1. Shift od 5. Lack nut 2. Ball joint 6. Jam nut 3 Shift bracket 7. Gear shift lever 4. A. Disconnect ball joint from transmission lever and loosen jam nut. 8. Rotate ball joint up or down, until gear shift lever is aligned with Power Shift slot. €. Reinstall ball joint to transmission lever and tighten jam nut. 5. Recheck chain deflection and lower snow thrower to normal position. REPLACING SPARK PLUG {Fig.
MAINTENANCE Note: The settings for the power adjusting screw and the idle mixture screw are approximate; however, these settings will allow engine to be started so carburetor can be ding tuned — steps 4-7, 4. Start engine and let it warm up for approximately 3 1o § minutes; then move dethrone to FAST. A CAUTION Engine must be running so final adjustment of the carburetor can be performed.
IDENTIFICATION AND ORDERING MODEL AND SERIAL NUMBERS The snow thrower has two identification numbers: a model number and 8 serial number. The two numbers are stamped on a decal which is located on back of engine mounting plate many correspondence concerning the snow thrower, supply mode and serial numbers 10 assure that correct information and replacement parts are obtained.