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Фрагмент инструкции
See Fig. 6-6. Off-Season Storage If the snow thrower will not be used for 30 days or longer, follow the storage instructions below. Lubricate the machine as instructed earlier in this section. Store in a clean, dry area. If storing the snow thrower in an unventilated area, rustproof the machine using a light oil or silicone to coat the snow thrower. Clean the exterior of the engine and the snow thrower. NOTE: Refer to the Tecumseh Engine manual packed with your machine for information on storing your engine. Figure 6-6 Figure 6-5 Service 7 18 Belt Replacement Auger Belt To remove and replace your snow thrower’s auger belt, proceed as follows: To prevent spillage, place a piece of plastic wrap under the gas cap and tighten securely. Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. See Fig. 7-1. Roll the auger belt off the engine pulley. See Fig. 7-2. Carefully pivot the snow thrower up and forward so that it rests on the auger housing. Remove the frame cover from the underside of the snow thrower by removing four self-tapping screws which secure it. See Fig 7-3. Remove the belt as follows. See Fig. 7-4. Loosen and remove the shoulder screw which acts as a belt keeper. Unhook the support bracket spring from the frame. Figure 7-3 Figure 7-1 Figure 7-4 Figure 7-2 19 Section 7 — Service Remove the belt from around the auger pulley, and slip the belt between the support bracket and the auger pulley. See Fig. 7-5. Reassemble auger belt by following instructions in reverse order. NOTE: Do not forget to reinstall the shoulder screw and reconnect the spring to the frame after installing a replacement auger belt. Drive Belt To remove and replace your snow thrower’s drive belt, proceed as follows: Place a piece of plastic under the gas cap. Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. Refer to Fig. 7-1. Remove the belt as follows. See Fig. 7-6.: Roll the auger belt off the engine pulley. Use a wrench to pivot the idler pulley toward the right. Lift the drive belt off engine pulley Carefully pivot the snow thrower up and forward so that it rests on the auger housing. Remove the frame cover from the underside of the snow thrower by removing four self-tapping screws which secure it. Refer to Fig. 7-3. Figure 7-5 Figure 7-6 20 Section 7— Service Slip the drive belt off the pulley and between friction wheel and friction wheel disc. See Fig. 7-7. Remove and replace belt in the reverse order. NOTE: Engaging the drive control will ease reassembly of the belt. Friction Wheel Removal If the snow thrower fails to drive with the drive control engaged, and performing the drive control cable adjustment fails to correct the problem, the friction wheel may need to be replaced. Follow the instructions below. Examine the friction wheel for signs of wear or cracking and replace if necessary: Place a piece of plastic under the gas cap. Place the shift lever in third Forward (F3) position. Carefully pivot the snow thrower up and forward so that it rests on the auger housing. Remove the frame cover from the underside of the snow thrower by removing four self-tapping screws which secure it. Remove the right-hand wheel by removing the screw and bell washer which secure it to the axle. See Fig. 7-8. Figure 7-7 Figure 7-8 Carefully remove the hex nut which secures the hex shaft to the snow thrower frame and lightly tap the shaft’s end to dislodge the ball bearing from the right side of the frame. See Fig. 7-9. NOTE: Be careful not to damage the threads on the shaft. Carefully position the hex shaft downward and to the left before carefully sliding the friction wheel assembly off the shaft. See Fig. 7-10. NOTE: If you’re replacing the friction wheel assembly as a whole, discard the worn part and slide the new part onto the hex shaft. Follow the previous steps in reverse order to reassemble components. If you’re disassembling the friction wheel and replacing only the rubber ring, proceed as follows: Remove the four screws which secure the friction wheel’s side plates together. See Fig. 7-11 Remove the rubber ring from between the plates. Reassemble the side plates with a new rubber ring. NOTE: When reassembling the friction wheel assembly, make sure that the rubber ring is centered and seated properly between the side plates. Tighten each screw only one rotation before turning the wheel clockwise and proceeding with the next screw. Repeat this process several times to ensure the plates are secured with equal force (between 6 ft-lbs and 9 ft-lbs). Slide the friction wheel assembly back onto the hex shaft and follow the steps above in reverse order to reassemble components. Figure 7-11 Figure 7-9 Figure 7-10 Troubleshooting 7 Troubleshooting 8 22 22 ProblemCauseRemedyEngine fails to start Choke not in ON position. Spark plug wire disconnected. Fuel tank empty or stale fuel. Engine not primed. Faulty spark plug. Blocked fuel line. Safety key not in ...