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| Start engine. Place Engine Control | |
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| Switch in Run/Idle position. | |
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| 1 | Solenoid Bracket Screws |
2 | 5 |
| 2 | Throttle Arm |
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| 1250 rpm | 3 | Idle Speed Screw |
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| 4 | Throttle Stop | |
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| Loosen bracket screws and move | |
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| arm so screw touches stop. Do not | |
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| release arm. Turn idle speed screw | |
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| to obtain 550 rpm. | |
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| 5 | Idle Mixture Screw |
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| Turn mixture screw counterclock- | |
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| wise until engine falters, then turn | |
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| screw clockwise until engine runs | |
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| smoothly. | |
| 1 |
| Turn idle speed screw to obtain | |
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| 1250 rpm. | |
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| 6 | Solenoid |
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| 7 | Plunger |
| 6 |
| Slide solenoid inside bracket so | |
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| plunger bottoms in solenoid. If nec- | |
3 | 7 |
| essary, shim solenoid/bracket to | |
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| prevent linkage from binding. Do | ||
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| not readjust idle speed screw when | |
| Right Side |
| adjusting solenoid. | |
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| Tighten bracket screws. Release | |
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| throttle arm. Recheck idle speed | |
| Tools Needed: |
| and readjust if necessary. | |
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| Y Stop engine. | ||
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| Close door. | |
4 | 1/4 in |
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| Ref. |
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7-10. Adjusting Governor Sensitivity
3
2
1
Tools Needed:
1/2 in
.Governor sensitivity may re- quire readjustment if weld speed is adjusted. Weld speed must be readjusted if sensitivity is adjusted.
Be sure carburetor and link- ages are adjusted properly be- fore adjusting sensitivity.
Start engine. Apply and remove load.
1Locking Nuts
2Sensitivity Adjustment Screw
3Governor Spring
If engine is slow to pick up load or rpm drops under load, adjust spring tension as follows:
Loosen top nut and tighten bottom nut to move screw down. Tighten nuts.
If engine hunts with or without load, adjust spring tension as follows:
Loosen bottom nut and tighten top nut to move screw up. Tighten nuts.
YStop engine.
Close door.
Ref.
