Sears 486.248463 User Manual

Page 13

Hold this diagram above you while viewing the

Clutch/Idler Assembly from underneath the

tractor. Right and left in this diagram will be the

reverse of the view er's right and left.

FIGURE 23

VIEWED FROM UNDERNEATH

• Raise the snow thrower to the transport position.
• Place the

auger belt around the bottom rear pulley on

auger

the clutch/idler assembly and be tween the two pul leys
on the lower idler arm. Keep the ﬂ at idler pulley to the
outside of the belt. See ﬁ gure 23.

• Pull the ﬂ at idler pulley against the

auger belt using

auger

the R.H. tension ad just ing chain. For correct belt
tension, pull the chain as far as the inside hairpin clip
will allow and then reinstall the

out side 1/8" hairpin

clip into the chain. See ﬁ gure 23.

IMPORTANT: If the R.H. inside hairpin clip is re moved,

reinstall it in link #4 (counted from the end of the chain
attached to the spring).

• Pull the upper ﬂ at idler pulley against the

drive belt

using the L.H. tension ad just ing chain. For correct belt
tension, pull the chain as far as the inside hairpin clip
will allow and then reinstall the

out side 1/8" hairpin

clip into the chain. See ﬁ gure 23.

IMPORTANT: If the L.H. inside hairpin clip is re moved,

reinstall it in link #8 on tractors with 6" diameter
engine pulleys or in link #5 on tractors with smaller
engine pulleys. (Links are count ed from the end of the
chain attached to the spring.)

FRONT

REAR
PULLEY

RIGHT SIDE
OF
TRACTOR

LEFT SIDE
OF
TRACTOR

1/8"
HAIRPIN
CLIP

R.H. TENSION
ADJUSTING CHAIN
(AUGER BELT)

L.H. TENSION
ADJUSTING CHAIN
(DRIVE BELT)

1/8"
HAIRPIN
CLIP

INSIDE
HAIRPIN
CLIP

ATTACHING WEIGHT TRAY TO TRAC TOR

• Loosen the two hex bolts and nuts which fasten the

top of the tractor drawbar to the rear of the tractor
frame. See ﬁ gure 24.

• Assemble the notched end of the side brace arms

down onto both loosened bolts.

Do not tighten yet.

See ﬁ gure 24.

• Fasten the weight tray to the drawbar using two

3/8" x 1" hex bolts, 3/8" lock washers and 3/8" hex
lock nuts.

Do not tighten yet. See ﬁ gure 24.

• Fasten the weight tray to the side brace arms using

two 5/16" x 1" carriage bolts, 5/16" lock washers and
5/16" hex nuts.

Do not tighten yet. See ﬁ gure 24.

• Fasten the weight tray cross brace to the side brace

arms using two 5/16" x 1" carriage bolts, 5/16" lock
washers and 5/16" hex nuts.

Tighten all loose bolts

at this time. See ﬁ gure 24.

FIGURE 24

VIEWED FROM REAR

3/8" LOCK
WASHER

5/16" x 1"
CARRIAGE
BOLT

SIDE BRACE
ARM

WEIGHT TRAY

5/16" LOCK
WASHER

5/16" HEX NUT

3/8" x 1"
HEX BOLT

LOOSENED
NUT AND BOLT

CROSS
BRACE

3/8" HEX
LOCK NUT