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TROUBLESHOOTING AND REPAIR
F-38 F-38
POWERARC® 5500
STATOR/ROTOR
REMOVAL AND REPLACEMENT PROCEDURE (continued)
ROTOR REMOVAL
PROCEDURE
1. To remove the rotor, double check
that the spark plug wire is discon-
nected. You will be turning the rotor
during this procedure, and this could
accidentally cause engine kickback.
2. With an impact wrench, remove the
rotor thru-bolt. See Figure F.13. If an
impact wrench is not available, use
the 1/2” box wrench. Hold the rotor
with one hand and shock the wrench
with the mallet to loosen the thru-
bolt. The thru-bolt has a star wash-
er and lock washer, beveled to con-
form to the rotor shaft. Pull out the
thru-bolt.
3. Install the long thru-bolt supplied
with Lincoln Electric Rotor Removal
Kit S20925. The slot head must face
out. Screw in the bolt with the slot
head screw driver until the bolt bot-
toms out on the engine crankshaft,
about 3/4”.
4. Turning it counterclockwise, screw in
the reverse thread bolt from the kit
into the rotor shaft until it bottoms
out on the thru-bolt.
5. With an impact wrench, tighten the
reverse thread bolt until the rotor
pops off the engine crankshaft. If an
impact wrench is not available, use the
1/2” box wrench. Hold the rotor with
one hand and shock the wrench with
the mallet until the rotor pops off the
engine crankshaft.
6. Slide the rotor and blower (press-fitted
to the rotor) the rest of the way off the
crankshaft.
REASSEMBLY PROCEDURE
1. Lubricate the tapered engine crank-
shaft. Slide the rotor onto the shaft.
2. Coat the rotor thru-bolt threads with
Lincoln E177-R retaining compound
(Locktite( 277). Place the beveled lock
washers onto the thru-bolt and insert it
into the rotor shaft. Hold the rotor and
tighten the thru-bolt to 22 - 25 ft lbs.
3. Carefully install the stator, with the
leads at the 1 o’ clock position.
IMPROPER HANDLING OF THE
STATOR CAN RESULT IN SHORTED
WINDINGS AND/OR LOST OUTPUT.
4. Install the end bracket. Slide it on and
install the two top thru-bolts loosely to
hold the end bracket for the next step.
5. Install the end bracket support.
FIGURE F.13 - ROTOR WITH STATOR REMOVED
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