Gravely 1138 - Page 25

2.
Measure
the distance from
surface to mower blades
at the
front
and
rear of the mower.
The rear of blades
should
be
L/8
inch higher than front
and
blades
should
hang
even
side
to side.
If
adjustment is required,
turn
the
hex nuts on the
rear
hanger
hooks
to
move
the
hooks up
or down
to secure the
proper
adjustment.
When the mower is leveled
and hangs
evenly,
tighten
the hex
nuts
securely. See Figure 10.
Adjust
Mower
Belt for
proper
center distance.
See
Figure
11.
Adiust
nuts
on the adjustor
rod to move
mower
forward
or rearward.
Adjust
for
1
to I-l/2
inch
clearance between
belt as
shown in Fiqure
11
with
mower
in highest
position.
3.
4.
[.ourro*,
Adjustment too far
forward
will
not allow
mower belt to
declutch!
Check for
proper
mower belt
declutching
tions.
If mo\^rer belt
adjust
mower
backward
in
all
height
posi-
does
unti
4.13
occurs.
(PTO
sheave
must
to
drive
mower
belt
and/or
Mower Height
of Cut:
After the mower
has
been
leveled
properly,
minor
adjustments
can be rnade in
the
mower
cutting
height by increasing
or
decreasing
the center
distance between
rod end
and adjust-
ment
link. Increasing center distance
lowers
cutting
height.
Decreasing
center distance
raises
cutting
heiqht.
Raising
the Attachment Lift Lever
to another
notch in
the
lift
quadrant
will also
raise
the cuttinq
heiqht of the
mower.
Adjust to suit individual
grass
cutting
conditions
See Figure 12.
not
declutch,
1
proper
declutching
not
have
a tendency
override brake.
)
AITJUSTHEilT L!*K
F___r
THIS
DISTANCE
CHANGES CUTTI}IG
HEIGHT
ADJUSTMENT
NUTS
MOUilTIilG
POST
0t{
FR0}{T
AxtE
HAIR PIN
ADJUSTOR ROD
BELT TIGHTENER
BRACKET
T(lP
ATTACHMENT rDLEB
(CLUTCHTNG)
PTO SHEAVE
BELT
CLEARANGE:
1"
IN HIGHEST P(ISITIO}I
M(IWER
BETT
BELT FIT{GERS
MOWER
SHEAVE
FIGURE
11
FIGURE
12