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Adjustment
Bolt
-Gib
Jam Nut
Lock Nut
Figure 5-1
_ WARNING:Do not at any time makeany adjust-
ments without first stopping engine,disconnecting
spark plugwire,and groundingit against the
engine.Alwayswear safety glasses during opera-
tion or whileperformingany adjustments or repairs.
Wedge Assembly Adjustment
As normalwearoccursand there isexcessive"play"betweenthe
wedgeand beam,adjustthe bolts on the side ofthe wedgeassembly
to eliminateexcessspacebetweenthe wedgeandthe beam.
1. Loosenthe jam nutson the two adjustmentboltsonthe sideof the
wedge.SeeFigure5-1.
2. Turnthe adjustmentbolts in untilsnugandthen backthem off
slowly(approximately1.5turns)untilthe wedgeassemblywill slide
onthe beam.
3. Re-tightenthe jam nuts securelyagainsttheside of the wedgeto
securethe adjustmentbolts in this position.
Gib Adjustment
Periodicallyremoveand replacethe "gibs"(spacers)betweenthe
wedgeassemblyandthe back plate.
NOTE:The gibs maybe rotatedand/or turnedoverfor evenwear.
1. Loosenthe lock nuts undereachback plateand slidethe gibs out.
SeeFigure5-1.
2. Turnor replacethe gibs.
3. Reassemblethebackplateandsecurewiththe lock nuts.
4. Readjustthe bolts on the side of thewedgeassembly.
Hose Clamps
• Check, beforeeachuse, if hoseclampson thesuctionhose
(attachedto theside of the pump)are tight.Checkthe hoseclamps
on the returnhoseat leastonce a season.
Flexible Pump Coupler
The flexiblepumpcoupleris a nylon"spider"insert,locatedbetween
the pumpand the engineshaft.Overtime,the couplerwill hardenand
deteriorate.
Replacethe couplerif youdetectvibrationor noisecomingfrom the
areabetweentheengineand thepump.Ifthe couplerfails completely,
you willexperiencea lossof power.
IMPORTANT:Neverhitthe engineshaft inany manner,as a blowwill
causepermanentdamageto theengine.
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