Craftsman 536.886621 - To Adjust the Clutch Control Cables; To Adjust Belts

SERVICE AND ADJUSTMENTS
TO ADJUST THE CLUTCH CONTROL
CABLES
Periodic adjustmentofthe cables may be required dueto
normalstretch andwearon thebelts. Tocheckfor correct
adjustment, disconnect "Z" Fittingat clutch lever, move
clutch lever to the fullforward position, just contacting the
plastic bumper. The control cablesare correctly adjusted
when the centerof the "Z" fitting isbetween the center and
top ofthe hole and there is no droop in thecable (See Fig.
22). If adjustment is necessary:
• Remove fuel from tank, and stand blo_'er on end.
• Pull rubber boot off the top of the spring. Push the
cablethrough the spring(See Fig. 23) to exposethe
threaded portionof the cable.
• Holdthesquareendofthethreadedportionwithpliers
and adjustthe Iocknutinoroutuntiltheexcessslack
isremoved.
• PuUthe cableback thmughthe springandconnectthe
cable.
• Do the same for the other lever cable, if needed•
NOTE" Whenever the traction drive or auger belts are
adjusted or replaced, the cables will needto be adjusted.
TO ADJUST BELTS
Beltsstretchduring normal use. If you needto adjustthe
beltsdue to wear or stretch, proceedas follows:
AUGER DRIVE BELT (See Fig. 25)
Ifyour snow thrower will not dischargesnow,check the
control cable adjustment. If it is correct, then check the
condition of the auger drive belt. It may be loose or
damaged.Ifit isdamaged,replaceit.SeeToReplaceBelts
paragraph on p_ge 21. If the auger drive belt is loose,
adjust as follows:
• Disconnectthe sparkplugwire.
• Remove the beltcover (See Fig.26).
• Loosenthe nuton the idlerpulley (See Fig. 24) and
movethe pulleytowardthe belt about 1/8".
• TKjhtenthe nut.
• Pressthe augerdrive lever.Checkthetensiononthe
belt (opposite auger idler pulley). The belt should
deflect about 1/2" with moderate pressure(See Fig.
24).
NOTE: You may have to move the auger idler.pulley
mere than once to obtain the correct tension.
• Replace the belt cover.
• Check the clutchcontrolcable adjustment.
• Reconnectthe sparkplugwire.
TRACTION DRIVE BELT
The tractiondrive belt hasconstantspringpressure and
_doesnot require adjustment.
2O
•.UGEn0.,VE .
' LEVER _'_ _1 FORWARDPOSITION
.T _ (Just Contacting
"Z"FITTING / ,_ PlaslicBumper)WHEN
| "I- P ,,oau.PEn
FIG. 22
i
OAaLESPR,NG\L
.__ LOCKNUT
FIG. 23
ii
_ DRIVE
_'_-,,/_ • PULLEY
AUGER DLER _ ,_
PULLEY "_ )_..._"" 1/2 INCH
ENGAGED _ i EFLECTION
_, : /"-" IMPELLER
_ PULLEY
FIG. 24
FIG. 25
• Replace the tractiondrive beltif it is slipping(see To
Replace Beltsparagraghon page 21).