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Resumen del manual
794251 1................................................Head Ass'y., L.H. (incl. items 2 thru 16) 2................................................Self-tapping screw, Rd. Hd. IQ- 24 x 1/2 3................................................Cover 4................................................Gasket, Cover 5................................................Ring, Snap 6................................................Gear, Miter 7................................................Bearing, Ball 8................................................Shaft, Output 9................................................Housing, Right Angle Drive 1 0................................................Ring, Snap 1 1................................................Seal, Oil 1 2................................................Shaft, Input 1 3................................................Gasket, Cap 1 4................................................Cap & Seal Ass’y/. Retainer (incl. items 92 & 93) 1 5................................................Seal, Oil 1 6................................................Screw, Hex. Hd 1/4-20 x 7/8 1 7................................................Bearing, Ball MEDIUM FRAME SERIES TRACTOR Page 3-20 Rev. 11-90 DRIVE TRAIN (Continued) TRANSAXLE RE-INSTALLATION GEAR DRIVE The transaxle asembly is filled at the factory with SAE EP90 transmission fluid. Check transmission fluid once a year. With the tractor on a flat surface, remove plug (A), on front of transmission. If oil is not to plug level, add at filler plug (B) until correct level is reached. Oil capacity is 3 pts. (1.4L). 2. Slide hub of drive shaft onto gearbox input shaft. 3. Position drive in support bracket and secure bolts (I) and (J) with belt guides in place. When fastening bolts, provide a 1/16" (1.5mm) clearance between belt guide and belt when drive is in engaged position. TRANSAXLE RE-INSTALLATION (Fig. 3-27 & 3-28) 1. Slowly move transaxle assembly under tractor frame. 2. Re-install the four (4) mounting screws (H) to the frame. 3. Re-install center transaxle mounting screw (G). 4. Re-install shifter knob. 5. Push idler (F) down and re-install belt. 6. Tighten the two (2) belt guides to the frame. When securing these belt guides, provide a gap of 3/32 (2mm) between the guides and the belt. 7. Re-connect the brake rod (C) and clutch rod (D) by installing cotter pins. 8. Remove blocks from under tractor frame. 9. Install fender and seat. 10. Re-connect seat switch wires. RIGHT ANGLE DRIVE INSTALLATION. 1. Position drive belt around right angle drive pulley. MEDIUM FRAME GROUP IV. FUEL SYSTEM SERIES TRACTOR Page 4-1 5/78 TROUBLE SHOOTING GUIDE PROBLEM PROBABLE CAUSE REMEDY Hard starting. 1. Fuel shut off valve closed. 2. Choke linkage not working properly. 3. Dirt in fuel system. 4. Engine flooded. 5. Carburetor out of adjustment. 6. Water in fuel system. 7. Dirty air filter. 8. If equipped with pulse pump-pulse line leaking. 1. Open valve. 2. Check linkage and repair. 3. Clean fuel lines, carburetor, and install new fuel filter. 4. Check linkage, carburetor float setting etc. 5. Adjust carburetor. 6. Clean system and refill with clean fuel. 7. Install new air filter. 8. Install new pulse line. No fuel reaches carburetor. 1. Empty fuel tank. 2. Fuel filter plugged. 3. Shut off valve closed. 4. Gas tank vent plugged. 5. If equipped with pulse pump-pulse line leaking or off. 6. Check pulse pump. 1. Refill tank. 2. Clean or replace fuel filter. 3. Open. 4. Clean out vent. 5. Install new pulse line. 6. If inoperative, replace. Carburetor leaks. 1. Loose fuel line fitting. 2. Carb float setting set too high. 1. Tighten fuel line. 2. Adjust float. Engine starts but runs rough with low power output 1. High or low speed mixture adjustments off. 2. Incorrect float setting. 3. Dirty air filter. 4. Carburetor loose on engine block. 1. Readjust carburetor. 2. Adjust float. 3. Install new air filter. 4. Tighten carburetor mounting screws. MEDIUM FRAME SERIES TRACTOR FUEL SYSTEM (Continued) Page 4-2 Rev. 4/90 SERVICING TYPICAL FUEL FLOW DIAGRAM FUEL TANK Fill with a good grade of clean, fresh regular or unleaded gasoline. (For cold weather operation, use winter blend gasoline.) A CAUTION DO NOT MIX OIL WITH GASOLINE. REFUEL OUTDOORS WITH ENGINE STOPPED AND COOL. Check to see that vent hole in fuel tank cap is not plugged. BRIGGS & STRATTON MODELS FIGURE 4-2 FUEL VALVE The fuel valve is located under the fuel tank as shown in Figure 4-1. This valve must be fully open for proper operation of the tractor. FUEL FILTER The fuel filter is located in the fuel line near the engine. The fuel filter is a disposable type in-line filter, that should be replaced when dirty. To replace, shut off the valve under the fuel tank. Remove the filter from the fuel line and replace with a new one. AIR CLEANER The importance of maintaining an air cleaner in proper condition cannot be over-empha...
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