Service And Adjustments - Poulan Pro 176873 Owner's Manual

SERVICE AND ADJUSTMENTS

CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:
• Depress clutch/brake pedal fully and set parking brake.
• Place motion control lever in neutral (N) position.
• Place attachment clutch in "DISENGAGED" position.
• Turn ignition key "OFF" and remove key.
• Make sure the blades and all moving parts have completely stopped.
• Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with
plug.
TRACTOR
TO REMOVE MOWER (See Fig. 19)
• Place attachment clutch in "DISENGAGED" position.
• Turn height adjustment knob to lowest setting.
• Lower mower to its lowest position.
• Remove retainer spring holding anti-swaybar to chassis
bracket and disengage anti-swaybar from bracket.
• Remove retainer springs from suspension arms at deck
and disengage arms from deck.
• Raise attachment lift to its highest position.
• Remove two retainer springs from each front link and
remove links.
• Slide mower forward and remove belt from electric
clutch pulley.
• Slide mower out from under right side of tractor.
IMPORTANT: IF AN ATTACHMENT OTHER THAN THE
MOWER DECK IS TO BE MOUNTED ON THE TRACTOR,
REMOVE THE FRONT LINKS.
TO INSTALL MOWER
Follow procedure described in "INSTALL MOWER AND
DRIVE BELT" in the Assembly section of this manual.
TO LEVEL MOWER HOUSING
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are properly inflated (See "PROD-
SUSPENSION
ARMS
CHASSIS
BRACKET
RETAINER
SPRING
ADJUSTMENT
NUTS
LIFT
LINKS
ANTI-SWAY
BAR
RETAINER
SPRINGS
UCT SPECIFICATIONS" section of this manual). If tires are
over or underinflated, you will not properly adjust your
mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 19 and 20)
• Raise mower to its highest position.
• Measure height from bottom edge of mower to ground
level at front corners of mower. Distance "A" on both
sides of mower should be the same.
• If adjustment is necessary, make adjustment on one
side of mower only.
• To raise one side of mower, tighten lift link adjustment
nut on that side.
• To lower one side of mower, loosen lift link adjustment
nut on that side.
NOTE: Each full turn of adjustment nut will change mower
height about 3/16".
• Recheck measurements after adjusting.
BOTTOM EDGE OF
MOWER TO
GROUND
A
FRONT
SUSPENSION
BRACKET
FRONT MOWER
BRACKET
FIG. 19
20
BOTTOM EDGE OF
MOWER TO
GROUND LINE
FIG. 20
ELECTRIC
CLUTCH
PULLEY
FRONT
SUSPENSION
BRACKET
FRONT
LINKS
RETAINER
SPRINGS
FRONT MOWER
BRACKET
GROUND
A