Craftsman Snow Blower 71 24831 User Manual

Instruction Manual  
®
STOP  
SNow Thrower KIT  
DO NOT RETURN TO STORE  
For Missing Parts or Assembly  
Questions Call 1-866-576-8388  
Model No. 71-24831  
carToN coNTeNTS  
2
3
4
5
1
6
7
ref qTy parT No  
deScrIpTIoN  
Frame Bracket  
Front Hanger Bracket, L.H. 54"  
Front Hanger Bracket, R.H. 54"  
ref qTy parT No  
deScrIpTIoN  
1
2
3
2
1
1
25301  
64943  
64944  
4
5
6
7
1
1
2
1
63571  
63572  
26557  
26556  
Hanger Bracket, L.H.  
Hanger Bracket, R.H.  
Mounting Bracket  
Side Plate, R.H.  
hardware pacKaGe coNTeNTS  
SHOWN ACTUAL SIZE  
F
D
A
B
C
E
ref qTy  
parT No  
43087  
43001  
deScrIpTIoN  
3/8" x 1-1/4" Hex Bolt  
3/8" x 1" Hex Bolt  
ref qTy  
parT No  
HA21362 3/8" Nylock Nut  
43003  
23625  
deScrIpTIoN  
A
B
C
2
14  
4
D
E
F
12  
12  
2
3/8" Lock Washer  
Spacer  
43350  
3/8" x 1" Carriage Bolt  
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.  
PRINTED IN U.S.A.  
FORM NO. 41039 (06/19/08)  
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If you have a 54" mower deck skip to step #9.  
For smaller decks use the following instructions.  
STep 6: (See fIGure 6)  
Assemble the L.H. hanger bracket to the left side of  
the tractor frame using two 3/8" x 1" hex bolts, two  
3/8" lock washers and two 3/8" nylock nuts.  
STep 4: (See fIGure 4)  
Remove the mower stop bracket and its two bolts and  
nuts from the R.H. side of the tractor frame.  
If the tractor has a muffler guard at the front of the  
R.H. foot rest, remove the bottom bolt and nut, and  
the washer which is located between the guard and  
the tractor frame.  
3/8" LOCK  
WASHER  
L.H. HANGER  
BRACKET  
Remove the two bolts from the bottom of both the  
R.H. and L.H. foot rests.  
MUFFLER GUARD  
(only on models  
with side muffler)  
3/8" NYLOCK  
NUT  
3/8" x 1"  
HEX BOLT  
FIGURE 6  
LEFT SIDE VIEW  
REMOVE BOLTS, NUTS  
& WASHERS SHOWN  
REMOVE  
BRACKET  
FIGURE 4  
RIGHT SIDE VIEW  
STep 7: (See fIGure 7)  
Assemble a frame bracket to the L.H. foot rest and  
sway bar bracket. Use two 3/8" x 1-1/4" hex bolts, two  
3/8" lock washers and one spacer.  
STep 5: (See fIGure 5)  
Assemble the R.H. hanger bracket to the bottom hole  
where the mower stop bracket was removed and to  
the upper hole under the front of the foot rest. Fasten  
with two 3/8" x 1" hex bolts, 3/8" lock washers and  
3/8" nylock nuts. (On tractors with muffler guards,  
slide the hanger bracket between the guard and the  
tractor frame.)  
Assemble a shoulder bolt (P) and a 3/8" flanged nut  
(BB) (both supplied with the snow thrower) to the  
frame bracket.  
3/8" x 1-1/4"  
HEX BOLT  
FRAME  
BRACKET  
3/8" LOCK  
WASHER  
R.H. HANGER  
BRACKET  
SHOULDER  
BOLT (P)  
(snow thrower)  
SPACER  
3/8" x 1"  
HEX BOLT  
3/8" FLANGED NUT (BB)  
(snow thrower)  
3/8" NYLOCK  
NUT  
3/8" LOCK  
WASHER  
SWAY BAR  
BRACKET  
FIGURE 7  
LEFT SIDE VIEW  
FIGURE 5  
RIGHT SIDE VIEW  
Call 1-866-576-8388 for missing parts or assembly help  
DO NOT RETURN TO STORE  
3
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STep 8: (See fIGure 8)  
STep 10: (See fIGure 10)  
Assemble a frame bracket to the R.H. foot rest. Use  
two 3/8" x 1" hex bolts and two 3/8" lock washers.  
Assemble a shoulder bolt (P) and a 3/8" flanged nut  
(BB) (both supplied with the snow thrower) to the  
frame bracket.  
Only for 54" mower decks  
Assemble the 54" R.H. hanger bracket to the holes on  
the right side of the tractor frame where the mower stop  
bracket was removed. Fasten with two 3/8" x 1" hex  
bolts, two 3/8" lock washers and one 3/8" nylock nut.  
Proceed to step #14 on page 6.  
54" MOWER DECKS  
3/8" x 1"  
FRAME  
HEX BOLT  
BRACKET  
3/8" LOCK  
WASHER  
3/8" LOCK  
WASHER  
3/8" NYLOCK  
NUT  
R.H. HANGER  
BRACKET (54")  
SHOULDER  
BOLT (P)  
(snow thrower)  
3/8" x 1"  
HEX BOLT  
3/8" FLANGED NUT (BB)  
(snow thrower)  
3/8" x 1"  
HEX BOLT  
3/8" LOCK  
WASHER  
FIGURE 8  
RIGHT SIDE VIEW  
FIGURE 10  
RIGHT SIDE VIEW  
Steps #9 thru #13 for tractors with 54" mower decks.  
STep 11: (See fIGure 11)  
STep 9: (See fIGure 9)  
Only for 54" mower decks  
Only for 54" mower decks  
Assemble the 54" L.H. hanger bracket to the holes  
where the mower stop bracket was removed on the left  
side of the tractor frame. Fasten with two 3/8" x 1" hex  
bolts, two 3/8" lock washers and two 3/8" nylock nuts  
Remove and store the mower stop bracket and bolt  
from both sides of the tractor frame.  
Remove the two bolts from the bottom of the foot  
rests on both sides of the tractor frame.  
54" MOWER DECKS  
54" MOWER DECKS  
L.H. HANGER  
BRACKET (54")  
3/8" x 1"  
HEX BOLT  
3/8" NYLOCK NUT  
3/8" LOCK  
WASHER  
REMOVE  
REMOVE  
FIGURE 9  
RIGHT SIDE VIEW  
FIGURE 11  
LEFT SIDE VIEW  
Call 1-866-576-8388 for missing parts or assembly help  
DO NOT RETURN TO STORE  
4
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STep 12: (See fIGure 12)  
Only for 54" mower decks  
aLL parTS INThe foLLowING INSTrucTIoNS  
are SuppLIed wIThThe SNowThrower excepT  
forThoSe parTS ShowN IN Gray,whIch are  
SuppLIed wIThThe KIT.  
Assemble a frame bracket to the L.H. foot rest. Use  
two 3/8" x 1-1/4" hex bolts, two 3/8" lock washers and  
two spacers.  
Assemble a shoulder bolt (P) and a 3/8" flanged nut  
(BB) (both supplied with the snow thrower) to the  
frame bracket.  
STep 14: (See fIGure 14)  
Attach the two suspension arms to the outside of the  
clutch/idler assembly using two 5/16" x 3/4" hex bolts  
(E) and 5/16" nylock nuts (CC) for each arm.  
54" MOWER DECKS  
FRAME  
BRACKET  
3/8" x 1-1/4"  
HEX BOLT  
3/8" LOCK  
WASHER  
5/16" NYLOCK  
NUT (CC)  
SHOULDER  
BOLT (P)  
SPACER  
SPACER  
(snow thrower)  
3/8" FLANGED NUT (BB)  
(snow thrower)  
5/16" x 3/4"  
HEX BOLT (E)  
SUSPENSION  
ARM  
FIGURE 12  
LEFT SIDE VIEW  
STep 13 (See fIGure 13)  
Only for 54" mower decks  
FIGURE 14  
Assemble a frame bracket to the R.H. foot rest. Use  
two 3/8" x 1" hex bolts and two 3/8" lock washers.  
Assemble a shoulder bolt (P) and a 3/8" flanged nut  
(BB) (both supplied with the snow thrower) to the  
frame bracket.  
STep 15: (See fIGure 15)  
54" MOWER DECKS  
Attach the two mounting brackets to the front of the  
clutch/idler assembly using four 3/8" x 1" hex bolts  
and 3/8" nylock nuts. Place the frame brackets on the  
outside of the assembly frame.  
3/8" x 1"  
FRAME  
HEX BOLT  
BRACKET  
3/8" LOCK  
WASHER  
3/8" x 1"  
HEX BOLT  
MOUNTING  
BRACKET  
SHOULDER  
BOLT (P)  
(snow thrower)  
3/8" NYLOCK  
NUT  
3/8" FLANGED NUT (BB)  
(snow thrower)  
FIGURE 13  
RIGHT SIDE VIEW  
FIGURE 15  
Call 1-866-576-8388 for missing parts or assembly help  
DO NOT RETURN TO STORE  
5
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STep 16: (See fIGure 16)  
STep 18: (See fIGure 18)  
Turn the clutch/idler assembly upside down.  
Two different length drive belts are supplied with your  
snow thrower. Select the shorter belt with #46989  
printed on it.  
Slightly loosen the hex bolt next to the upper idler  
pulley. Install the drive belt down between the hex bolt  
and the upper idler pulley with the flat side of the belt  
against the pulley. Retighten the hex bolt.  
Hook the end of the spring (GG) onto the bottom of the  
bolt and nut which secure the idler pulley to the upper  
idler arm. Hold the bolt head and assemble a 3/8" hex  
lock nut (DD) onto the bolt, leaving enough space for  
the spring to pivot freely between the two nuts.  
SPRING (GG)  
Loop the belt around the large v-pulley, placing it  
between the v-pulley and the hex bolt next to the pulley.  
3/8" HEX  
LOCK NUT  
(DD)  
HEX BOLTS  
UPPER IDLER  
PULLEY  
BOTTOM  
VIEW  
UPPER  
IDLER  
ARM  
DRIVE BELT  
#46989  
fIGure 16  
VIewed froM BoTToM  
FIGURE 18  
STep 17: (See fIGure 17)  
Turn the clutch/idler assembly right side up.  
Insert the tensioning chains through the holes shown  
on the left and right sides. Attach the ends of the chains  
to the springs on the upper and lower idler arms.  
Install a 3/32" hairpin cotter (LL) into the left side  
chain. If the tractor's engine pulley is smaller than 6",  
place it in link #3 from the spring. For larger engine  
pulleys, place it in link #6 from the spring.  
3/32" HAIRPIN  
COTTER (LL)  
IN LINK #3 or #6  
LEFT & RIGHT  
TENSIONING  
CHAINS (PP)  
FIGURE 17  
Call 1-866-576-8388 for missing parts or assembly help  
DO NOT RETURN TO STORE  
6
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STep 19: (See fIGure 19)  
Only for mower decks smaller than 54"  
coMpLeTe STepS #47 Thru #59 IN The  
SNow Thrower MaNuaL,TheN reTurN  
To STep 21 oN ThIS paGe.  
Attach the rear of the clutch/idler assembly to the tractor  
frame by sliding the notched arms of the assembly onto  
the shoulder bolts assembled to the frame brackets.  
Lift the front of the assembly, positioning the upper idler  
pulley so that it clears the engine pulley. Attach the front  
of the assembly to the hanger brackets using two pivot  
lock pins (MM) and two hairpin cotters (KK).  
STep 21: (See fIGure 21)  
Loosen the two hex bolts and nuts which fasten the top  
of the tractor drawbar to the rear of the tractor frame.  
Assemble the notched end of the side brace arms  
down onto both loosened bolts. Do not tighten yet.  
Fasten the weight tray to the drawbar using a  
1/2" x 1-1/4" hex bolt (A), a 1/2" washer (V) and a 1/2"  
nylock nut (EE). Do not tighten yet.  
PIVOT LOCK PIN (MM)  
Fasten the weight tray to the side brace arms using  
two 5/16" x 1" carriage bolts (N) and two 5/16" nylock  
nuts (CC). Do not tighten yet.  
Fasten the cross brace to the side brace arms using  
two 5/16" x 1" carriage bolts (N) and two 5/16" nylock  
nuts (CC). Tighten all loose bolts at this time.  
HAIRPIN COTTER (KK)  
LOOSENED  
NUT AND BOLT  
CROSS  
BRACE  
1/2" x 1-1/4"  
HEX BOLT (A)  
FIGURE 19  
STep 20: (See fIGure 20)  
Only for 54" mower decks  
Attach the rear of the clutch/idler assembly to the tractor  
frame by sliding the notched arms of the assembly onto  
the shoulder bolts assembled to the frame brackets.  
Lift the front of the assembly, positioning the upper idler  
pulley so that it clears the engine pulley. Attach the front  
of the assembly to the hanger brackets using two pivot  
lock pins (MM) and two hairpin cotters (KK).  
SIDE BRACE  
ARM  
5/16" NYLOCK  
NUT (CC)  
5/16" x 1"  
CARRIAGE  
BOLT (N)  
WEIGHT TRAY  
1/2" WASHER (V)  
54" MOWER DECKS  
1/2" NYLOCK NUT (EE)  
PIVOT LOCK PIN (MM)  
FIGURE 21  
VIEWED FROM REAR  
reTurN To STep #64 IN The SNow  
Thrower MaNuaL aNd fINISh  
aSSeMBLING The SNow Thrower.  
HAIRPIN COTTER (KK)  
FIGURE 20  
Call 1-866-576-8388 for missing parts or assembly help  
DO NOT RETURN TO STORE  
7
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