To Adjust Blade Drive Belt; Blade Brake Adjustment; To Check/Adjust Right Hand Brake; To Check/Adjust Left Hand Brake - Craftsman 536.25587 Owner's Manual

SERVICE AND ADJUSTMENTS
TO ADJUST BLADE DRIVE BELT
(See Fig. 28)
When mower blade drive belt slips and blades wilt not turn
at full speed when mowing, the blade drive belt should be
tightened,,
e Place attachment clutch lever in DISENGAGED posi-
tion,,
Loosen idler pulley hex nut
e Slide idler pulley toward rear of mower deck to lighten
belt NOTE: Only a small amount of movement should
be required
e Re-tighten hex nut on idler pultey
e To check adjustment:
a. Start.engine and place throttle control lever in
position FAST
b. Place attachment clutch{ever in ENGAGED position
and allow sufficient time for blades to run to fuJlspeed,
then place attachment clutch ]ever in DISENGAGED
position. Blades should stop within a few seconds and
remain stopped If blades do not stop or tend to creep,
adjustment is too tight
To loosen blade drive belt0loosen idler pulley and move
toward front of mower deck..
BLADE BRAKE ADJUSTMENT
(See Fig. 28)
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.
e Place cutting height adjustment in lowest cut position
(No,t),.
TO CHECK RIGHT HAND BRAKE
® Move attachment clutch lever backward to DISEN-
GAGED position.
e Begin to move attachment clutch lever forward toward
ENGAGED position and check distance lever moves
before brake pad, on right hand quitl assembly, begins
to move.
Attachment clutch lever should move at least 3t4 inch,
but not more than 1 inch, before brake pad begins to
move..
• If the distance is not between 3/4 and t inch, (see TO
ADJUST RIGHT HAND BRAKE below).
TO ADJUST RIGHT HAND BRAKE -
e Note which one of five holes on front of idler arm
extension is used for attaching mower dutch cable
spring (see Fig..28, inset B).
e If distance is more than t inch, move mower
clutch cable spring to a hole toward bolts holding idler
arm extension.
If distance is less than 3/4 inch, move mower clutch
cable spring to a hole toward free end of idler arm ex-
tension
• Re=checkright hand brake and adjust if required..
CABLE
MOWER DECI(
ENGAGEMENT
CABLE
MOWER DECK
BELT"GUARD
RIGHT HAND
QUILL
MOWER CLUTCH
CABLE SPRING
iDLER ARM
EXTENSION
IDLER PULLEY
HEX NUT
LOCI(NUT
_R
DECK
DRIVE
INSET B
Fig. 28
TO CHECK LEFT HAND BRAKE
e Place attachment cSutch lever in DISENGAGED posi-
tion
o
Locknut, on end of brake rod, should be approximately
1/8 inch from brake pad mounting bracket with left hand
brake pad against pulley of left hand quill assembly (See
Fig. 2B, inset A).
TO ADJUST LEFT HAND BRAKE-
• Adjust [ocknut if necessary
26