Sears Craftsman 536.885921 Owner’s Manual página 19

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S RViCE AN
TO ADJUST THE CLUTCH CONTROL
CABLES
Periodic adjustment of the cables may be required due to
normal stretch and wearon the belts, To check for correct
adjustment, the control lever must be in the full forward
position, resting o n the plastic bumper+ The control cables
are correctly adjusted when the center of the "Z" Fitting is
between the center and top of the hole in the clutch lever
and there is no droop in the cable (See Fig 24)
If adjustment is necessary:
Remove gas from gas tank Stand blower on end
e
e
o
Disconnect the "Z" Fitting from drive lever
Pull spring cover upto expose spring Push the cable
through the spring (See Fig, 25) to expose the
o threaded portion of the cable
Hold the square end of the threaded portion with
pliers and adjust the Iocknut in until the excess slack
e is removed (See Fig, 25 inset).
Pull 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 belts are
adjusted or replaced, the cables will need to be adjusted
TO ADJUST BELTS
Belts stretch during normal use If you need to adjust
the belts due to wear or stretch, proceed as follows:
TRACTION DRIVE BELT (See Fig. 27)
The traction drive belt has constant spring pressure and
does not require adjustment, Check the clutch control
cable adjustment before replacing the belt.
Replace the traction drive belt if it is still slipping (see To
Replace Belts paragraph on page 20)_
AUGER DRIVE BELT (See
Fig. 27)
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 toose or
damaged., If it is damaged, replace it, See To Replace
Belts paragraph on page 20 If the auger drive belt is
loose, adjust as follows:
e Disconnect the spark plug wire
• Remove the belt cover (See Fig 28 on page 20)
• Loosen the nut on the idler pulley (See Fig, 26) and
move the pulley toward the bert about 1/8",
• Tighten the nut.
• Presstheaugerdrivelever Checkthetensiononthe
belt (opposite idler pulley), The bett should deflect
about 1/2" with moderate pressure (See Fig, 26)+
NOTE: You may have to move the idler pulley more than
once to obtain the correct tension.
o
Replace the belt cover+
ADJUSTME
TS
TRACTION DRIVE
LEVER
"Z" FITTING
CONTROL LEVER
MUST BE IN FULL
FORWARD POSI-
TION (Just Contact-
ing Plasllc Bumper)
WHEN CHECKING
TRACTION
DRIVE
SPRING
FIG.+24
PLASTIC BUMPER
DRIVE
SPRING
1
IDLER
ENGAGED
FIG, 25
DRIVE PULLEY
1/2 INCH
DEFLECTION
IMPELLER
PULLEY
FIG, 26
TRACTION DRIVE BELT UGER DRIVE BELT
TRACTION DRIVE "GUIDE
PULLEY (Left Hand)
BELT DRIVE
(Right Hand) PULLEY
TRACTION
DRIVE IDLER
IDLER PULLEY PULLEY
19
FIG, 27
• Check the clutch control cable adjustment
• Reconnect the spark plug wire