Carburetor Adjustment; Motion Drive Belt Replacement; Fuse Replacement - Craftsman 917.254722 Owner's Manual

REPAIR & ADJUSTMENT
3, Carbureter Adjustment
NOTE: ADJUST THROTTLE CONTROL CABLE
BEFORE MAKING ANY ADJUSTMENT TO CAR-
BURETOR. AIR CLEANER MUST BE ASSEMBLED TO
CARBURETOR WHEN RUNNING ENGINE.
TRANSAXLE
PULLEY
BELT
GUIDE \
Minor carburetor adjustments may be required to
compensate for differences in fuel, temperature
or altitude. Adjust the carburetor fuel mixture
as fotlo ws:
a. Gently turn idle mixture valve clockwise
(_ ) (Fig. 32) until it just doses and then
counterclockwise ( _ ) 1-1/2 turns.
CAUTION: Valve may be damaged if turned
in too far.
b, Start engine and allow to warm for five
minutes. Make final adjustments with engine
running and choke pushed in.
c. Move throttle control lever (on dashboard) to
"'SL 0 W'" position,
d. Hold governor control lever against idte speed
screw, and adjust idle speed screw to obtain
!200 to 1400 RPM (Fig. 31),
e. While still holding the governor control lever
against idle speed screw, turn idle mixture
valve slowly clockwise f_) f/can mixture)
until speed just starts to slow.
f. Turn idle mixture valve back to the midpoint
between rich and lean.
g. Adjust the idle speed screw to obtain 900 to
1200 RPM. Release governor control lever.
h. Move throttle control (on the dashboard) to
"'FAST. "" /f engine hesitates or dies, turn idle
mixture valve approximately 1/8 rum counter-
clockwise (_'_-) until engine will accelerate
as throttle control is moved from "'SLOW'"
to "'FAST. ""
RETAINER BELT GUIDE
SPRING BRACKET
R.H. SIDE
CLUTCH
PULLEY
ENGINE
PULLEY
RETAINER
SPRING
FIGURE 33
DRIVE BELT
SCHEMATIC
L.H. SIDE
4. Motion Drive Belt Replacement
The tractor drl've belt may be rept!aced without
tools. Park the tractor on l_v_, area. Engage
parking brake,
NOTE: BELT _NSTALLATION DECAL UNDER LEFT
FOOTREST.
a, Remove mower (page 23),
b, Remove two retainer springs from belt guide
bracket betow transaxle pufley. Remove
bracket (Fig, 33).
c, Swing belt guides away from be/t, toward rear
of tractor (Fig, 33).
d. Roll belt over top of transaxle pulley,
e. Rot/ belt over engine pulley and off idler
(Fig. 34),
f. Release parking brake. Pull belt as far as
possible over top of clutch pulley.
g. Reset parking brake. Pull belt over top of
clutch pulley (Fig. 34).
h. PuP belt out through shift gate to remove
from tractor (Fig. 35).
Install belt by reversing above procedure.
NOTE: REPLACE ONLY WITH BELT LISTED tN
MANUAL,
BELT GUIDE
\
-F_EAR
VIEWED FROM BOTTOM OF TRACTOR
FIGURE 34
BELT _"k_
5, Fuse Replacement
Replace with 30 amp automotive-type plug-in fuse.
Fuses can be purchased at all Sears Service Centers
and most retail stores. Locatbn of fuse is directly 22
behind dash.