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A
WARNING: Alwaysstop engine,
disconnect spark plug wire, and moveit
away fromspark plugbeforeperformingany
adjustments or repaim.
Tires
See sidewalloftire for recommendedpressure.
Maximumtire pressureunder any
circumstancesis30 p.s.i. Equal tire pressure
shouldbe maintainedon all tires.
A
WARNING: Excessivepressure(over 30
p.s.i.)when seatingbeads may cause tire/
dmassembly to burstwithforce sufficient t o
cause seriousinjury.
Flexible Pump Coupler
The flexible pumpcouplerisa nylon"spider" insert,
locatedbetween the pumpand engine shaft. Over a
periodof time, the couplerwillharden and
deteriorate. Replacethe couplerifyou detect
vibrationor noisein the area between the engine and
the pump. If the couplerfails completely,you will
experiencea loss ofpower.
_1
WARNING: Never hit the engine shaftin
any manner,as a blowwillcause permanent
damage to the engine.
IMPORTANT:
If you do not have the right tools or are
otherwise uncomfortable with the procedure, contact
Sears service center.
When replacing the flexible pump coupler, proceed
as follows. Follow the instructions carefully as the
alignment is critical.
Disconnect the spark plug wire, and secure it
away from the spark plug.
Drain gasoline from fuel tank or place a piece of
plastic film underneath the gas cap to prevent
gasoline from leaking.
Using a 1/2 inch socket with an extension,
remove the three bolts securing the engine to
the engine mounting bracket. The three bolts
can be found under the engine mounting
bracket.
Caretul}y lift engine off mounting bracket and set
aside on a sturdy, level surface.
Remove the nylon spider insert from the pump
shaft. You may need a pair of needle nose
pliers to grasp the insert.
•
Place a new "spider"insert into the pump coupling
half. See Figure 16,1. Make sure the key is on the
pump shaft. The key way in the lower coupling
half has to fit over the key on the pump shaft.
Re-seat the engine making sure to align the
pump and engine coupling halves. There must
16
be space between end of the engine and the
coupling half. See Figure16,2.
Upper
"_ Coupling
(_
Half
Engine
Mountln
Bracket
Lookunder this
for enginebolts
• Figure 16
NOTE: Thepump couplinghaftcan be rotated by
hand toaid in alignment, ff the two parts are not
alignedthe unitwill not operateproperly and damage
couldoccur.
Set .035-.060 inchclearancebetween the
couplinghalves by slidinga matchboxcover "
between thejaws ofthe upperand the lower
couplinghalves.
NOTE: Before securing the set screw, apply some
Loctite
TM
on the threads of the screw,
Tightenthe set screwto78 inch-pounds torque.
Secure enginewiththree boltsremoved earlier.
Torque boltsto 200 to 450 inch-pounds.
Reattachspark plugwireto spark plug.Be sure
to removeplasticfilm from undergas cap if
necessary.
Beam & Splitting Wedge
The wedge plate is subjectto normalwear.
Periodicallyadjustthe bolts on the wedge plate
makingsure thatthe wedge movesfreely. Also make
sure that no excessspace exists betweenthe wedge
plate and the beam.
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Troubleshooting
