Poulan DPR22H46STB User Manual - Page 21

Service And Adjustments

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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. 22) • 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. SIDE-TO-SIDE ADJUSTMENT (See Figs. 23 and 24) • Raise mower to its highest position. • At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance "A" on both sides of mower should be the same or within 1/4" of each other. • 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: Three full turns of adjustment nut will change mower height about 1/8". • Recheck measurements after adjusting. BOTTOM EDGE OF MOWER TO GROUND BOTTOM EDGE OF MOWER TO GROUND TO INSTALL MOWER Follow procedure described in "INSTALL MOWER AND DRIVE BELT" in the Assembly section of this manual. A 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" section of this manual). If tires are over or underinflated, you will not properly adjust SUSPENSION ARM your mower. ADJUSTMENT NUTS FRONT MOWER BRACKET A GROUND LINE FIG. 23 LIFT LINK ADJUSTMENT NUT SUSPENSION ARMS CHASSIS BRACKET LIFT LINKS FIG. 24 RETAINER SPRING ANTI-SWAY BAR RETAINER SPRINGS 21 FRONT LINKS RETAINER SPRINGS FRONT MOWER BRACKET

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21
BOTTOM EDGE
OF MOWER TO
GROUND
BOTTOM EDGE
OF MOWER TO
GROUND
A
A
GROUND LINE
FIG. 23
FIG. 24
LIFT LINK
ADJUSTMENT NUT
SUSPENSION ARM
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. 22)
•
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
“PRODUCT SPECIFICATIONS” section of this manual).
If
tires are over or underinflated, you will not properly adjust
your mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 23 and 24)
•
Raise mower to its highest position.
•
At the midpoint of both sides of mower, measure height
from bottom edge of mower to ground.
Distance “A” on
both sides of mower should be the same or within 1/4"
of each other.
•
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
: Three full turns of adjustment nut will change
mower height about 1/8".
•
Recheck measurements after adjusting.
RETAINER
SPRINGS
LIFT
LINKS
RETAINER
SPRING
ADJUSTMENT
NUTS
SUSPENSION
ARMS
FRONT MOWER
BRACKET
RETAINER
SPRINGS
FRONT
LINKS
FRONT MOWER
BRACKET
CHASSIS
BRACKET
ANTI-SWAY
BAR