16
ENGINE
Maintenance, repair, or replacement of the emission con-
trol devices and sys tems, which are being done at the
cus tom ers ex pense, may be performed by any non-road
engine repair es tab lish ment or in di vid u al. Warranty repairs
must be per formed by an authorized engine man u fac tur er's
service outlet.
SERVICE AND ADJUSTMENTS
FIG. 28
CABLE CLIP
SCREW
DRIVE
CONTROL
CABLE
EXTENSION
SPRING
ENGINE
PULLEY
IDLER
PULLEY
TRANS MIS SION
PULLEY
LESS
TEN SION
5/8"
MORE
TEN SION
TO REPLACE GROUND DRIVE BELT
(See Figs. 23 and 28)
• Remove belt guard (See “TO REMOVE BELT GUARD”
in this section of this manual).
• Remove old belt by slipping off engine pulley fi rst then
remove from transmission pulley.
• Place new belt in groove of transmission pulley and
into engine pulley. BELT MUST BE IN GROOVE ON
TOP OF IDLER PULLEY. NOTE POSITION OF BELT
TO GUIDES.
• Check belt adjustment as described below.
• Replace belt guard.
• Reposition wheel and replace clevis pin and hairpin
clip.
• Replace inner and outer side shields.
GROUND DRIVE BELT ADJUSTMENT
(See Fig. 28)
For proper belt tension, the extension spring should
have about 5/8 inch stretch when drive control bar is in
“EN GAGED” position. This tension can be attained as
follows:
• Loosen cable clip screw securing the drive control
cable.
• Slide cable forward for less tension and rearward for
more tension until about 5/8 inch stretch is obtained
while the drive control bar is engaged.
• Tighten cable clip screw securely.
TO ADJUST CARBURETOR
The carburetor has been preset at the fac to ry and ad just ment
should not be nec es sary. However, engine per for mance
can be affected by dif fer enc es in fuel, tem per a ture, al ti tude
or load. If the carburetor does need ad just ment, contact
your nearest Sears or other qualifi ed service center.
IMPORTANT:
NEVER TAMPER WITH THE EN
GINE
GOVERNOR, WHICH IS FACTORY SET FOR PROP
ER
ENGINE SPEED. OVER SPEED ING THE ENGINE ABOVE THE
FACTORY HIGH SPEED SET TING CAN BE DANGEROUS. IF
YOU THINK THE EN GINE-GOVERNED HIGH SPEED NEEDS
AD JUST ING, CONTACT YOUR NEAREST SEARS OR OTHER
QUALIFIED SERVICE CENTER WHICH HAS THE PROPER
EQUIP MENT AND EX PE RI ENCE TO MAKE ANY NEC ES SARY
AD JUST MENTS.
