Craftsman 917.257360 - Manual (Page 19)

SERVICE AND ADJUSTMENTS
TO INSTALL MOWER (See Fig. 19)
• Raise attachment lift lever to its highest position.
• Slide mower under tractor with discharge guard to right
side of tractor.
• Install parallel link to front axle and mower with hinge
pins . Secure hinge pins with retainer springs.
• Install clutch rod in clutch lever and secure with retainer
spring.
• Lower attachment lift lever to lower suspension arms.
Slide trunnions through lift bracket holes and secure
with retainer springs,
• Roll belt over engine pulley. Make sure belt is inside all
pulley grooves and inside belt guides .
• Raise attachment lift lever to raise mower.
TO LEVEL MOWER HOUSING
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are properly inflated (See
'“PRODUCT SPECIFICATIONS" on page 3)., If tires are
over or under inflated, you will not properly adjust your
mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 20 and 21) -
Raise attachment lift lever to its highest position.
Measure height from bottom of deck cur! to ground
level at front corners of mower. Distance "A" should be
the same.
If distance "A" needs to be changed, snap out access
hole cover on left side of tractor above footrest.
To raise left side of mower, loosen nut "B" and tighten
nut "C".
To lower left side of mower, loosen nut "C" and tighten
nut "B",
When distance "A" is equal, securely tighten nuts “B"
and "C"-
Replace access hole cover,
FRONT-TO-BACK ADJUSTMENT(See Figs, 22 and 23) -
To obtain the best cutting results, the mower housing
should be adjusted so the rear is approximately 3/4 to 7/8"
higher than the front when the mower is in its highest
position.
Check adjustment on right side of tractor. Measure dis­
tance "D" at front and rear flanges of mower housing as
shown.
• To raise rear of mower, loosen nut "E“ on both rear
suspension arms. Screw both nuts "F" on both rear
suspension arms an equal number of turns.
• When distance "D" is 3/4 to 7/8" higher at rear than
front, retighten nuts "E",
• Recheck side-to-side adjustment
IMPORTANT: WHEN ADJUSTING REAR SUSPEN­
SION TRUNNIONS, ALWAYS ADJUST
BOTH EQUALLY SO MOWER WILL
STAY LEVEL SIDE-TO-SIDE.
FIG. 23
19