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Fabricar: MTD Tamaño del archivo: 13.65 mb Nombre del archivo: Idioma del manual:

Deflection should be approximately 3/8 in. (9.6 mm). See Figure 49. If deflection is excessive, tighten the track tension. If unit pulls to the left or right when a straight path is desired adjust the track tension. If the unit is pulling to the left, tighten the left track adjuster. If the unit is pulling to the right, tighten the right track adjuster. To adjust (Figure 50): 1. Tighten the adjuster nut to tighten the track tension. Loosen the adjuster nut to reduce track tension. 2. Check that unit tracks straight with no pulling to either side. HEIGHT ADJUSTER CABLE ADJUSTMENT (921014, 015, 016) 1. Make sure that height adjustment lock finger is fully engaged (Figure 51). 2. Loosen jam nut on cable adjustment barrel. 3. Turn the adjustment barrel to remove all cable slack and bring the overtravel arm until it makes slight contact with the right end of the slot in the height adjuster lock finger. 4. Tighten the jam nuts. Figure 48 OS7142 1. Hex Shaft 2. Bearing Flange 3. Speed Selector Arm 4. Friction Disc 5. Spring Clip 6. Drive Plate Assembly 7. Drive Sprocket 2 4 1 5 3 6 7 Figure 49 3/8 in. (9.6 mm) OS7226 Figure 50 Track Adjusters OS7228 1. Height Adjuster Lock Finger 2. Overtravel Arm 3. Height Adjuster Cable 4. Jam Nuts Figure 51 3 2 1 OS7229 Before adjusting ensure that height adjuster lock finger is fully engaged. Pin on overtravel arm makes slight contact with end of slot. 4 STORAGE STORAGE WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. SHORT TERM IMPORTANT: NEVER spray unit with high pressure water or store unit outdoors. Run with attachment clutch engaged a few minutes after each use to free unit of any loose or melting snow. Close fuel shut-off valve. Inspect unit for visible signs of wear, breakage or damage. Keep all nuts, bolts and screws properly tightened and know unit is in safe working condition. Store unit in a cool, dry protected area. LONG TERM Clean unit thoroughly with mild soap and low pressure water and lubricate (see MAINTENANCE on page 24). Touch up all scratched painted surfaces. Remove weight from wheels by putting blocks under frame or axle. Fuel System Gasoline left in the fuel system for extended SERVICE PARTS Order the following parts through your Dealer: Part No. Description 00036800 Ariens Hi-Temp Grease (3, 3 oz. cartridges) 00592900 Fuel Stabilizer 4 oz. 21534100 Spark Plug (921011, 012, 013, 014, 015, 016, 017, 018) 21547200 Spark Plug (921019, 020) 07200514 Impeller Belt (2) 07200111 Traction Belt 00170800 Friction Disc 52100100 Shear Bolt Kit ACCESSORIES See your authorized Ariens dealer to add the additional accessories available to your Sno-Thro. Part No. Description 72406500 Front Weight Kit 72406900 Slicer Bar 72600300 Composite Skid Shoes 72600200 Cover 72408000 Snow Cab periods without a stabilizer will deteriorate, resulting in gum deposits in the system. These deposits can damage the carburetor and the fuel hoses, filter and tank. Prevent deposits from forming in the fuel system during storage by adding a quality fuel stabilizer to the fuel. Follow the recommended mix ratio found on the fuel stabilizer container. To treat the fuel system for storage: 1. Add fuel stabilizer (Ariens p/n 00592900) according to manufacturers’ instructions. 2. Run engine for at least 10 minutes after adding stabilizer to allow it to reach the carburetor. NEVER store the engine with fuel in the fuel tank inside of a building with potential sources of ignition. GB - 37 TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION Engine will not 1. Fuel tank is empty. 1. Fill fuel tank. crank/start. 2. Fuel shut-off valve closed. 3. Build up of dirt and residue around governor/carburetor. 4. Key Switch not in run position. 5. Electric starter not functioning. 2. Open fuel shut-off valve. 3. Clean area around governor/carburetor. 4. Put Key Switch into run position. 5. Check for a bad starter or connections. Engine stops. 1. Out of fuel. 2. Fuel shut-off valve closed. 3. Mechanical jam in blower rake or impeller. 4. Polluted fuel supply. 5. Faulty spark plug. 1. Fill fuel tank. 2. Open fuel shut-off valve. 3. Turn off engine, remove key, and wait for all moving parts to stop. Check for and remove obstruction and repair before restart. 4. Replace with clean fuel. 5. Replace or clean spark plug. Engine problems. 1. See Engine Manual. 1. See Engine Manual. Does not 1. Friction disc not adjusted 1. Repair or replace friction disc. operate in Forward / Reverse. properly. 2. Traction belt not functioning. 3. Speed selector not adjusted properly. See Friction Disc Replacement on page 35. 2. Repair or replace traction drive belt. See Friction Disc Replacement on page 35. 3. Adjust speed selector. See Speed Selector Adjustment on page 29. Small rubber beads collect in frame 1. Friction disc wear. 1. Normal friction disc wear. Chunks or large pieces of rubber mean friction disc should be checked and replaced as necessary. Unit throws 1. Shear bolts broken. 1. Repl...

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