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1. Removethreenutsthatsecurethe pumpto thecouplingshield.
Twonutsareat the bottomcornersand oneis in the top center.
SeeFigure5-2.
2. Removethepump.
3. Rotatethe engineby slowlypullingstarterhandleuntil engine
couplinghalf set screwis visible.Loosensetscrewusingallen
wrenchandslidecouplinghalfoff engineshaft.
4. Loosensetscrewon pumpcouplinghalfand removecouplinghalf.
5. Slidenewenginecouplinghalf ontothe engineshaft untiltheend of
the shaftis flushwiththe inner portionof the couplinghalf. (There
mustbespacebetweenthe end of the enginesupportbracketand
couplinghalf).Tightensetscrew.
6. Installpumpcouplinghalfand keyonpumpshaft.Rotatecoupling
half untilset screwfacesopeningin shield. Do nottightenset
screw.
7. Installnylon"spider"onto enginecouplinghalf.
8. Alignpumpcouplinghalfwith nylon"spider"by rotatingengine
usingstarterhandle.Slidecouplinghalf intoplacewhileguiding
threemountingboltsthroughholesinpumpsupportbracket.
9. Securewith nutsremovedearlier.
10.Set.010"to.060"clearance/gapbetweenthe nylon"spider"and
the enginecouplinghalf byslidinga feelergaugeor matchbook
coverbetweenthe nylon"spider"andthe enginecouplinghalfand
movingpumpcouplinghalfas needed.Securepumpcouplinghalf
withsetscrew.SeeFigure5-2.
NOTE:Makecertainproperclearance/gapis obtainedbeforetighten-
ingsetscrew.
/
Screw
Side View-Coupler
; 0000
_.OJO0
_,, ,J
Figure 5-2
Tires
Seesidewallof tire for recommendedpressure.Underany circum-
stancesdo notexceedmanufacturer'srecommendedpsi. Maintain
equalpressureon alltires.
_ ARNING:Excessive pressurewhen seatingbeads
maycausetire/rim assembly to burstwithforce
sufficientto causeseriousinjury.Referto sidewall
of tire for recommended pressure.
13
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