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MAINTENANCE AND SERVICE -- Continued
REPLACEMENT AND REPAIRS, Continued
The following Illustration Numbers refer to Figure B unless otherwise stated.
Be sure to replace the pulley with the oil hole to the outside. In the event new parts
other than facings are reqauired be very sure that each part slips freely over the drive
shaft. These parts are precision made and MUST slide freely. DO NOT FORCE.
PULLEY BEARING
1. In the event the bronze bearing, Illustration 54, in the clutch pulley, Illustration 52,
should need replacing: align the new beraring against the old one. Drive out old bearing
using a soft wood block.
THRUST BEARINGS
To replace Thrust Bearing:
1. Remove facing, using same procedure as outlined under Facings.
2. Slowly engage clutch conjtrol rod which will allow the clutch throwout cup, Illustration 50,
to slide away from the clutch spring case.
3. Remove nut from end of clutch control rod, Figure C, Illustration 51, being careful not to
lose washer or spacer.
4. Remove ontrol rod from throwout lever and yoke, Illustration 51, by placing clutch control
rod in disengaged posxition.
5. Remove pin, Illustration 40, from throwout lever and yhoke, Illustration 51.
6. Remove inner plate, throwout cup, thrust bearing, inner washer, outer washer, ahnd spring by
slikdinhg partgs from drive shaft, Illustration 45A. (Note, --When replacing thrust bearing
it is usually desirable to also replace inner and outer washer).
7. To reassemble, first check all new parts to be sure each part fits properly on the drive
shaft and hypro key.
8. Assemble outer washer, Illustration 47, and thrust bearing, Illustration 48, in the clutch
thowout cup, Illustration 50.
9. Place an amount of universal joint fiber grease (equal in size to that of the eraser on an
ordinary lead pencil) in the area around the thrust bearingv.
10.Insert inner washer, Illustration 46, in place against thrust bearing.
11.Insert spring, Illustration 39, in clutch spring case, Ilustration 49, and place clutch
throwout cup in position against spring,km Illustration 39. Then drop in, Illustration 40,
in place through throwout lever yoke, Illustration 51.
12.Position inner clutch plate, Illustratio 42, by placing right hand on clutch throwout cup
and yoke, moving it about until inner clutch plate slides into place on hypro key.
13.Replace clutch control rod in throwout levcer and yoke and tighten lower nut against washer
and spacer.
14.Disengage clutch lever which will allow pulley, facings, and outer plate to be set in
place.
15.Drive groove pin in place.
16.Check clutch adjustment and readjust if necessary. (See adjustment).
STORAGE
When storing the machine for any length of time, especially during the summer, be sure
to coat the roller chain thoroughly with a good grade of oil to prevent it’s rusting and
bvecoming stiff. Also, apply a light coatg of oil to the interior of the scoop and deflector
to keep them from rusting.
All bearings on this machine are replaceable.
IMPORTANT SUGGESTIONS
CAUTION: Be careful not to direct the snow towards windows or persons since small rocks
which can be picked up by the impeller could cause damage or injury.
Be sure to clean all snow and ice from around the chain and sprockets after each use to
prevent them from freezing fast.
Keep all bolts and nuts securely tightened.
CAUTION: KEEP HANDS AWAY FROM IMPELLER, DRIVE BELT AND CHAIN WHILE ENGINE IS RUNNING.
Sears Roebuck and Co. and Simpsons-Sears Limited reserves the right to make any changes
in design and changes or improvements on implements without imposing any obligation to install
the same upon its implements heretofore manufactured.
