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Please Note: The following procedure will require the purchase of a new set bolt for re-assembly, save
the modified set bolt as a tool for future repairs.
1. Remove the existing set bolt for modification.
2. Measure back 3/4" from the bottom of the set bolt hex head and cut the set bolt. Fig.1 (A)
3. Cut a shallow groove approx. 3/32" deep at the cut end of the set bolt. Fig.1 (B)
4. Insert the set bolt into the rotor and screw it into the crankshaft with a flat head screwdriver, it should
end up recessed approx. 3/4". Fig. 2 (A)
5. Screw an extractor hex head bolt (12 mm x 1.5 x 1 1/4") into the end of the rotor. Fig. 3 (A).
6. Using a 1/2" air impact gun, torque the extractor bolt down tight against the set bolt until the rotor
assembly shaft breaks away from the engine crankshaft, if this alone doesn't do it, combine this
procedure with the following a ~ d instructions.
a) Remove the recoil starter assembly from the engine's blower housing.
b) Loosen the flywheel nut and bring it flush with the end of the crankshaft.
NOTE: Re-torque the flywheel nut to the specified torque value in the engine repair manual
after completing this procedure.
c) Take a piece of brass and squarely put it up against the end of the crankshaft/nut and rap it with
a 3 lb. hammer to shock the tapered connection apart. Fig. 3 (B)
d) Rock the rotor assembly back and forth, if it moves independently of the crankshaft it can be
removed, if not, repeat steps 6, C & D if needed.
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Multiquip Inc. ◦ GA Series Generators ◦ Manual No. GAGENSM
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