Assessments - 2, GPA: 3
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A. Disconnect the yellow wire from the engine. This comes from the ignition switch. B. If the engine fails to start the problem is with the engine, not the safety system. C. If the engine starts, the problem is with the safety system. Check the yeilow wire for a ground. D. Check the operation of the switch behind the recoil starter handle. E. If the engine stops when the clutch or blade is engaged, the recoil handle is not pushed into the receptacle and twisted a quarter turn. Blocked fuel line or empty gas tank. Clean fuel line; check fuel supply. Also check fuel shut-off valve. Defective spark plug. Spark plug lead wire disconnected. Faulty spark plug—spark should jump gap between control electrode and side electrode. If spark does not jump, replace spark plug. NOTE: Use insulated pliers to hold the spark plug wire. Throttle setting. Throttle control lever not in the starting position. Loose connections Spark plug wire loose. Hard starting or loss of power. Dirty air cleaner. Remove air cleaner and clean as outlined in Engine Manual. Carburetor improp erly adjusted. Review paragraph Carburetor Adjustment. Excessive vibration. Bent or damaged blade spindle. Stop engine immediately; tighten all bolts and make all necessary repairs. If vibration continues, have the unit serviced by a competent repairman. Unit fails to discharge grass. Discharge chute clogged. Clean discharge chute arid inside of deck. Foreign object lodged in deck. Remove object from deck. See CAUTION following step 1 in paragraph Operation. Engine overheats. Obstructions in air passages. Remove any obstruction from air passages in shroud. Grass and dirt in engine shroud. Clean cooling fins. Oil level. Fill crankcase to proper oil level. 16 TROUBLE SHOOTING CHART FOR ELECTRIC START MODEL TROUBLE LOOK FOR REMEDY Engine fails to start. Safety System A. Check for a blown fuse in the wire leading from the positive terminal of the battery. B. Before checking the safety system further, be sure the clutch control and the blade control are disengaged; only the starting system is being checked. Therefore remove the spark piug lead and ground it to prevent the engine from starting. C. Attach a wire (minimum 18 gauge) to the positive terminal of the battery and touch the other end to the small terminal (coil primary) of the solenoid. If the engine cranks, the problem is in the safety system. D. Check for continuity from the battery to the solenoid. NOTE: The positive terminal of the battery should have a large cable (#8 guage) and a small wire (#18 gauge) attached to it. E. Check all wires and cable for tightness. F. Use a #8 gauge wire and jump between the two large terminals of the solenoid. If the unit starts, replace the solenoid. G. If the unit fails to start after following the above procedure the problem is probably in the starting motor of the engine. Blocked fuel line or empty gas tank. Clean fuel line; check fuel supply. Also check fuel shut-off valve. Defective spark plug. Spark plug lead wire disconnected. Faulty spark plug—spark should jump gap between control electrode and side electrode. If spark does not jump, replace spark plug. NOTE: Use insulated pliers to hold the spark plug wire. Throttle setting. Throttle control lever not in the starting position. Loose connections Spark plug wire loose. Hard starting or loss power. of Dirty air cleaner. Remove air cleaner and clean as outlined in Engine Manual. Carburetor improp erly adjusted. Review paragraph Carburetor Adjustment. Excessive vibration. Bent or damaged blade spindle. Stop engine immediately; tighten all bolts and make all necessary repairs. If vibration continues, have the unit serviced by a competent repairman. Unit fails to dischar grass. ge Discharge chute clogged. Clean discharge chute and inside of deck. Foreign object lodged in deck. Remove object from deck. See CAUTION following step 1 in paragraph Operation. Engine overheats. Obstructions in air passages. Remove any obstruction from air passages in shroud. Grass and dirt in engine shroud. Clean cooling fins. Oil level. Fill crankcase to proper oil level. 17 I NOTES 18 SCHEMATIC FOR ELECTRICAL SYSTEM PARTS LIST FOR MODEL 136-480A ONLY REF. PART DESCRIPTION NEW NO. NO. PART 1 725-0269 Safety Switch Norm Closed—Red 2 725-0266 Magneto Igntion Switch 3 -iof- Ôjal Шв2Яг w/Nut Wire Harness 4 712-0121 Hex Nut #10-24 5 710-0425 Truss Mach. Scr. #10-24 x .62 6 736-0338 Fiber Washer 7 732-0257 Switch Spring 8 736-0225 Internal L-wash. 5/8 I.D. 19 I 136-485A PARTS LIST FOR MODEL 136-485A ONLY REF. NO. PART NO. COLOR CODE DESCRIPTION NEW PART 1 725-0201 Ignition Key 2 725-0267 Ignition Switch 3 725-0119 Ammeter 4 725-0202 Headlight Switch 5 725-0486 Wire Harness N 6 725-0480 Vinyl Sealing Tape N 7 725-0268 Safety Switch 8 725-0270 Solenoid 9 725-0298 Fuse71/2 Amp. Va Dia. x 1.25 Lg. 10 725-0268 Safety Switch PARTS LIST FOR MODEL 136-485...
Este manual também é adequado para os modelos :Cortadores de grama - 136-480A (4.13 mb)