SERVICE AND

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,,

ePlace attachment clutch lever in DISENGAGED posi- tion,,

Loosen idler pulley hex nut

eSlide idler pulley toward rear of mower deck to lighten belt NOTE: Only a small amount of movement should be required

eRe-tighten hex nut on idler pultey

eTo 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..

ADJUSTMENTS

MOWER DECI(

CABLE ENGAGEMENT CABLE

MOWER DECK

BELT"GUARD

MOWER CLUTCH

CABLE SPRING

RIGHT HAND

QUILL

_R

 

DECK

iDLER ARM

DRIVE

 

EXTENSION

 

 

LOCI(NUT

IDLER PULLEY

 

HEX NUT

 

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.

ePlace cutting height adjustment in lowest cut position

(No,t),.

TO CHECK RIGHT HAND BRAKE

®Move attachment clutch lever backward to DISEN- GAGED position.

eBegin 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 -

eNote which one of five holes on front of idler arm extension is used for attaching mower dutch cable spring (see Fig..28, inset B).

eIf 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..

INSET B

Fig. 28

TO CHECK LEFT HAND BRAKE

ePlace attachment cSutch lever in DISENGAGED posi- tion

oLocknut, 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

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Sears 536.25587 owner manual Service, Adjustments, To Adjust Blade Drive Belt, Blade Brake Adjustment, No,t