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SERVICE AND ADJUSTMENTS
TO ADJUST BLADE DRIVE BELT
(See FIG. 25)
When mower btade drive belt slips and blades will not turn
at full speed when mowing, the blade drive belt should be
tightened_
•
Place attachment clutch lever in DISENGAGED position.
o
o
Loosen idler pulley hex nut.
Note position of belt retainer on idler puUey so it can be
can be repositioned properly after belt installation.
Loosen idler pulley°
•
Slide idler pulley toward rear of mower deck to tighten
bell NOTE: Only a small amount of movement should be
required.
•
Re-tighten hex nut on idler pulley
•
To check adjustment:
a.. Start engine and place throttle
control lever in
position FAST_
b.
Place attachment clutch lever in ENGAGED position
and allow sufficient time for blades to run to full speed,
then place attachment clutch lever in DISENGAGED po-
sition. Blades should stop within a few seconds and re-
main stopped. It blades do not stop or tend to creep, ad-
justment is too tight°
•
To loosen blade drive belt, loosen idler pulley and move
toward front of mower deck_
BLADE
BRAKE
ADJUSTMENT
(See FIG. 25)
Blade brakes should stop mower blades when attachment
clutch lever is in DISENGAGED position. Blade brake pads
should not come in contact with quill assemblies
when
attachment clutch lever is in ENGAGED position.
•
Place cutting height adjustment lever
in lowest cut
position.
TO CHECK RIGHT HAND BRAKE -
•
Move attachment clutch lever backward
to DISEN-
GAGED position..
•
Begin to move attachment clutch lever forward toward
ENGAGED position and check distance lever moves
before brake pad, on right hand quill assembly, begins
to move.
Attachment clutch lever should move at least 3/4 inch,
but not more than 1 inch, before brake pad begins to
move.
if the distance is not between 3/4 and 1 inch, (see TO
ADJUST RIGHT HAND BRAKE below).
TO ADJUST RIGHT HAND BRAKE -
•
Note which one of five holes on front of idler arm
extension
is used for
attaching
mower
clutch
spring (see FIG_ 25, {nset B).
•
If distance
is more
than
1 inch, move
mower
clutch cable spring to a hole toward bolts holding idler
arm extension.
•
If distance is less than 314 inch, move mower clutch
springto a hole toward free end of idler arm extension_
•
Re-check right hand brake and adjust if required.
26
MOWER DECK
BELT GUARD
MOWER
SPRING
IDLER ARM
EXTENSION
IDLER PULLEY
HEX NUT
BELT RETAINER
LOCKNUT
MOWER
CLLI'TcH
SPRING
IDLER ARM
EXTENSION
IDLER PULLEY
HEX NUT
INSET R
FIG, 25
TO CHECK LEFT HAND BRAKE -
•
Place attachment clutch lever in DISENGAGED posi-
tion.
•
Locknut, on end of brake rod, should be approximately
1/8 inch from brake pad mountingbracket with left hand
brake pad against pulley of left hand quill assembly
(See FIG.. 25, inset A).
NOTE: Brake pad must clear left hand quill assembly when
attachement clutch lever is in 'ENGAGED position° Tighten
locknuton end of brake rod if needed,
TO ADJUST LEFT HAND BRAKE -
•
Adjust locknutif necessary°
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