SERVICE AND ADJUSTMENTS
TO ADJUST CHOKE CONTROLS:
Refer to engine manual for detailed
instnJc_ons.
REPLACE AIR CLEANER.
Clipforthrotilecableshouldsecurecableto
handle,
CARBURETOR ADJUSTMEWfS
Minor carburetor adjustment may be
requiredto compensatefor differencesin
fue!, temperature, altitude or load, Air
cleaner and air deaner cover must be
assembled to carburetor when running
engine
1_31ALADJUSTMF_,l'r:
GentJylum needle valve ctodwviseuntil it
just doses. Va_/e rr_.€ be damaged by
turningit intoofaro(Referto F_j.19).
Next open needle valve 1-1/2 tums
counte_odewise,Thisinitbladjustmentwill
permit the engine to be started and
warmed up (app_ 5 minutes)prior
tofinaladjustment.
CARBURETOR ADJUS'rM£_ RGURE 19
RNAL/_U,_EI_:
Place th@ controlin 'T-AST"position°
Turn needle valve in u_l engine slows
(clode,4.seqeanmixture)°Then turn it out
past smooth operating point until engine
runs u_ty (rich mixture). N_v turn
needle vak,e to 1hemidpointbetweenrich
and leansotheengine runssmoothly.Next,
adjust idle RPM Rotate throttle
cc,Jnte_ ar_ hold against stop
whileadjtL_ngidlespeedadjustingscrew
to obtain 1750 RPMo Release throt_.
Engineshouldacceleratev,_out _n
or sputtering,, If it does not, caff:_retor
should be readjlL_,_d,u_._fy to a sr_t_y
richermixture.
CLUTCH BELTMAINTENANCE:
1. Inspectdutch beltfrequencyforwear
and damage.Wornand damaged
beltscancausethe dutch to operate
improperly,suchas con_nuous
movementofthe reeland rollerdn've
whenail leversare disengaged
Replacethebeltwhenexcessivewear
or damage occurs,
CLUTCH BEL'rREPLACEMENT:
1. Removecotterpin from lowerdutch
cc_'d_lrod (Part1012D)and slide
control rodfrom dutch bearing
(Part 1046D)
2. Remove beltguardboltusing 1/2'
wrench and removebeltguardfrom
thedutch body.
3.DetachDeadrr_Uutchsp_ng(Pa_.
1052D)from deadmanbelt idler
(Part1047D)_
4. Rernov_thewombelt
5a
installnewbeltby placingaround
jackshattpulley(Partt053) firstand
then aroundthe enginepuIley
(Part 1063).
6. CAUTION: Make sure idlerbeating
(Part1048D)restsagainsttheinsideof
thebelL,(Thebeltmust be placed over
the pulleysand the idlerbearing).
7. Replace deadmandutch spring.
(Attachtobeltk_er).
8. Replacebeltguardand beltguardbolt.
Do not_ghtenbolt,
9. Replacedutch controlrodrnakjngsure
rod isplacedoutsideof_ bell
10,
Replacecotterpin and checkbr
proper tensionby followingins_clJons
on page4 under heading=Engine
Clutch RodTensionAdj_
11.
Now checkdutch beltguard forproper
adjL_alqent There mustbe 1/16"
clearancebetweenthe topof thebelt
and_ bottomofthe belt guard.Adjust
guardup or downtomaintainthe 1/16"
clearance.
NOTE: The deam:mcemust be checked
and adjustment made when the dutch is
engaged and _hereis tensionon the bee
(Lift dutch lever to the handle to engage
dutch and puttensionon thebelt).
12 When the 1116"dearance isachieved,
tightenboltguard firmly
IMPORTANT:
IMPROPER ADJUSTMENT
OF BELT GUARD AND
TENSION OF CLUTCH
CONTROL ROD CAN CAUSE
PREMATURE WEAR OF THE
BELT AND FAILURE OF
PROPER CLUTCH ACTION.
10
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