Sears 536.884821 - Manual (Page 18)

TRACTION DRIVE
IRVER
"Z"FrmNC
CONTROL LEVER
MUST BE IN FULL
FORWARD RJSf-
RON (Jua< Contaci-
Ing Plaatie Bumper)
WHEN CHECKING
PLASRC BUMPER
FIG. 22
TO ADJUST THE CLUTCH CONTROL
CABLES
Periodic adiustmem of the cables may be required due to
normal stretch and wearonthebelts.Tocheckfor correct
adjustmem, the control lever must be in the full forward
position, resting ontheplasticbumper.Thecontrol cables
are correctly adjusted when the center of the’'Z" Fitting is
in the center of the hole and there is no droop in the cable
(SeeRg 22),
If adjustment is necessary:
• Remove gas from gas tank. Stand blower on end
• Disconnect the “Z" Htting from drive lever.
• Push the cable through the spring (See Rg. 23) to
expose the threaded portion of the cable.
• Hold the square end ol the threaded portion with
pliers and adjust the locknut in or out until the excess
slack is removed.
• Pul! the cable back through the spring and connect
the cable. Do the same for the other lever cable.
NOTE: Whenever the traction drive or auger bells ate
adjusted or replaced, the cables will need to be adjusted.
TO ADJUST BELTS
Belts stretch during normal use. If you need to adjust
the bells due to wear or stretch, proceed as follows:
TRACTION DRIVE BELT (See Fig. 25)
The traction drive belt has constant spring pressure and
does not require adjustment. Check the dutch control
cable adjustment before replacing the belt
Replace the traction drive belt if it is still slipping (see To
Replace Betts paragraph on page 19).
AUGER DRIVE BELT (See Fig. 25)
If your snow thrower will not discharge snow, check the
control cable adjustment. If it is correct, then check the
condition of the auger drive belt. It may be loose or
damaged II it is damaged, replace it See To Replace
Belts paragraph on page 19, If the auger drive belt is
loose, adjust as follows:
• Disconnect the spark plug wire.
• Remove the belt cover.
• Loosen the nut on the idler pulley (See Rg. 25) and
move the pulley toward the bell about 1/8"
• Tighten the nut.
• Press the auger drive lever. Check the tension on
the belt (opposite idler pulley) The belt should
deflect about 1/2“ with moderate pressure (See Fig.
24).
NOTE: You may have to move the idler pulley more than
once to obtain the correct tension
• Replace the bell cover.
SERVICE AND ADJUSTMENTS
TRACTION DRIVE BELT
TRACTION ORIVE
PULLEY
BELT GUIDE
(Risiti Hand)
TRACTION
DRIVE
IDLER PUU.EY
AUGER DRIVE BELT
BELT GUIDE
(Left Hand)
AUGER
DRIVE PULUEY
AUGER IDLER
PULLEY
18
FIG. 25
m Check the clutch control cable
adjustment.
• Reconnect the
spark
plug wire.