Poulan CHD145H42B User Manual - Page 19

Service, 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. 20) Mower will be easier to remove from the right side of tractor. • Place attachment clutch in "DISENGAGED" position. • Move attachment lift lever forward to lower mower to its lowest position. • Roll belt off engine pulley. • Disconnect clutch rod from clutch lever by removing retainer spring. • Disconnect anti-sway bar from chassis bracket by removing retainer spring. Disconnect suspension arms from rear deck brackets by removing retainer springs. Disconnect front links from deck by removing retainer springs. • Raise lift lever to raise suspension arms. Slide mower out from under tractor. IMPORTANT: IF AN ATTACHMENT OTHER THAN THE MOWER DECK IS TO BE MOUNTED ON THE TRACTOR, REMOVE THE FRONT LINKS. TO INSTALL MOWER (See Fig. 20) • Raise attachment lift lever to its highest position. • Slide mower under tractor with discharge guard to right side of tractor. • Lower lift lever to its lowest position. • Install mower in reverse order of removal instructions. 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 of this manual). If tires are over or underinflated, you will not properly adjust your mower. SIDE-TO-SIDE ADJUSTMENT (See Figs. 21 and 22) • 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 CLUTCH LEVER CLUTCH ROD SUSPENSION ARMS RETAINER SPRING ENGINE PULLEY FRONT LINK GROUND LINE FIG. 21 • RETAINER SPRING ANTI-SWAY BAR RETAINER SPRINGS (BOTH SIDES) FIG. 20 • • RETAINER SPRINGS (BOTH SIDES) 19 SUSPENSION ARM 1:: FIG. 22 LIFT LINK ADJUSTMENT NUT

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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.
20)
Mower
will
be
easier
to
remove
from
the
right
side
of
tractor.
•
Place
attachment
clutch
in
"DISENGAGED"
position.
•
Move
attachment
lift
lever
forward
to
lower
mower
to
its
lowest
position.
•
Roll
belt
off
engine
pulley.
•
Disconnect
clutch
rod
from
clutch
lever
by
removing
retainer
spring.
•
Disconnect
anti
-sway
bar
from
chassis
bracket
by
removing
retainer
spring.
Disconnect
suspension
arms
from
rear
deck
brackets
by
removing
retainer
springs.
Disconnect
front
links
from
deck
by
removing
retainer
springs.
•
Raise
lift
lever
to
raise
suspension
arms.
Slide
mower
out
from
under
tractor.
IMPORTANT:
IF
AN
ATTACHMENT
OTHER
THAN
THE
MOWER
DECK
IS
TO
BE
MOUNTED
ON
THE
TRACTOR,
REMOVE
THE
FRONT
LINKS.
TO
INSTALL
MOWER
(See
Fig.
20)
•
Raise
attachment
lift
lever
to
its
highest
position.
•
Slide
mower
under
tractor
with
discharge
guard
to
right
side
of
tractor.
•
Lower
lift
lever
to
its
lowest
position.
•
Install
mower
in
reverse
order
of
removal
instructions.
CLUTCH
ROD
SUSPENSION
ARMS
RETAINER
SPRING
ANTI
-SWAY
BAR
•
RETAINER
SPRINGS
(BOTH
SIDES)
CLUTCH
LEVER
•
•
RETAINER
SPRING
ENGINE
PULLEY
FRONT
LINK
RETAINER
SPRINGS
(BOTH
SIDES)
FIG.
20
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
of
this
manual).
If
tires
are
over
or
underinflated,
you
will
not
properly
adjust
your
mower.
SIDE
-TO
-SIDE
ADJUSTMENT
(See
Figs.
21
and
22)
•
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
GROUND
LINE
FIG.
21
SUSPENSION
ARM
1::
LIFT
LINK
ADJUSTMENT
NUT
FIG.
22
19