Section 5
TROUBLESHOOTING FLOWCHARTS
Problem 8 - Engine Starts Hard and Runs Rough
CHECK
FUEL
SUPPLY
LOW FUEL
REPLENISH
FUEL
SUPPLY
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| TEST 29 - |
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| TEST 30 - |
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| CHECK |
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| GOOD |
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GOOD |
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| POSITION AND |
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| SPARK |
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| OPERATION |
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| SPARK |
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| PLUG |
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| ENGINE MISS |
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| IS APPARENT |
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| PUSH IN AFTER STARTING |
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| REPLACE SPARK PLUG | |||||||||||||||||
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| TEST 35 - CHECK AND |
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| ADJUST IGNITION |
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| ADJUST |
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| MAGNETOS |
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| OR REPLACE |
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TEST 38 -
CHECK
FUEL PUMP
BAD
REPAIR
OR REPLACE
GOOD
TEST 39 - CHECK
CARBURETION
BAD
REPAIR
OR REPLACE
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| TEST 5 - CHECK |
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| STEPPER |
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GOOD |
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| BAD |
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| REPAIR |
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GOOD
TEST 40 - CHECK
VALVE
ADJUSTMENT
BAD
GOOD
ADJUST VALVES
AND RETEST
TEST 41 - CHECK
ENGINE /
CYLINDER LEAK
DOWN TEST /
COMPRESSION
TEST
GOOD
BAD
CHECK
FLYWHEEL KEY -
SEE TEST 35
REPAIR OR REPLACE AS NECESSARY REFER TO ENGINE SERVICE MANUAL P/N 0E2081 FOR FURTHER ENGINE SERVICE INFORMATION
Problem 9 - Engine Starts Then Shuts Down
| CHECK |
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| TEST 42 - CHECK OIL |
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| ENGINE OIL |
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| OIL LEVEL O.K. |
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| PRESSURE SWITCH |
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| LEVEL |
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| AND WIRE 86 |
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OIL LEVEL LOW |
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| REPLACE SWITCH |
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REPLENISH OIL |
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| GO TO PROBLEM 8 |
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| VERIFY START STOP RELAY (SSR) |
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TEST 27 - TEST
BAD
REPLACE SWITCH
Page 34