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™
OWNERS
MANUAL
Model No.
LST42B
42" SNOW THROWER
CAUTION: • Safety
Read Rules for
• Assembly
Safe Operation
• Operation
and Instructions
• Maintenance
Carefully
• Parts
the fastest way to pur c hase parts www .speedepar t.com
PRINTED IN U.S.A. FORM NO. 49957 (2/06)
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TABLE OF CONTENTS ACCESSORIES ....................................................................................................................................................................2 SAFETY RULES ...................................................................................................................................................................3 FULL SIZE HARDWARE CHART .....................................................................................................
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SAFETY Any power equipment can cause injury if operated improperly or if the user does not understand how to operate the equipment. Exercise caution at all times, when using power equipment. • Read this owner's manual carefully and know how to • Stop the engine whenever you leave the operating operate your snow thrower and how to stop the unit position, before unclogging the snow thrower or and disengage the controls quickly. making any adjustments or inspections. • Never allow children to
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HARDWARE PACKAGE CONTENTS SHOWN ACTUAL SIZE E A B C D F G I J K H L V Q P O W X N R S,T U M Y Z NOT SHOWN ACTUAL SIZE AA CC BB GG FF EE DD HH II NN JJ LL MM KK 4
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REF REF.. QTY QTY.. DESCRIPTION DESCRIPTION REF REF.. QTY QTY.. DESCRIPTION DESCRIPTION A A 1 1 He Hex Bolt, 3/8" x 3-1/4" x Bolt, 3/8" x 3-1/4" U U U U 2 2 2 2 Bo Bo Bo Bow w w wed ed ed ed W W W Washer asher asher asher B B B 2 2 2 He He Hex Bolt, 5/16" x 1-3/4" x Bolt, 5/16" x 1-3/4" x Bolt, 5/16" x 1-3/4" V V V V 6 6 6 6 Flanged Nut, 1/4" Flanged Nut, 1/4" Flanged Nut, 1/4" Flanged Nut, 1/4" C C C 4 4 4 He He Hex Bolt, 5/16" x 3/4" x Bolt, 5/16" x 3/4" x Bolt, 5/16" x 3/4
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CARTON CONTENTS 1. Suspension Arms (2) 11. L.H. Hanger Bracket (Outside Mounting) 2. Left Hand Side Plate 12. R.H. Hanger Bracket (Outside Mounting) 3. Right Hand Side Plate 13. Clutch Idler Assembly 4. Anti-rotation Bracket 14. V-Belt, Drive (Short) #46989 5. Engagement Rod (Not used on some models) 15 V-Belt, Drive (Long) #48138 6. Engine Pulley Keeper (Not used on some models) 16. V-Belt, Auger (Attached to Housing Assembly) 7. Chute Crank Rod Assembly 17. Chute and Control Cable Assembly 8.
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ASSEMBLY TOOLS REQUIRED FOR ASSEMBLY IDENTIFY YOU TRACTOR (2) 7/16" Wrenches STEP 1: (SEE FIGURE 1) (2) 1/2" Wrenches • Look Look Look under the front of y under the front of your tr our tractor actor. If there is a single (2) 9/16" Wrenches mower deck suspension bracket located underneath (2) 3/4" Wrenches the middle of the front axle, continue on to step 2. If (1) Screw Driver your tractor does not have a mower deck suspension (1) Knife bracket underneath the middle of the front axl
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INSTALL SIDE PLATES INSTALL HANGER BRACKETS AND SHOULDER BOLTS TO OUTSIDE OF FRAME STEP 3: (SEE FIGURE 3) • Fasten the R.H. Side Plate (bend facing out) to the STEP 5: (SEE FIGURE 5) front three holes in the tractor frame using three 3/8" • Remove the bolt, if present, in the hole directly behind x 1" carriage bolts (G), three 1/2" washers (R) (see the brake rod on the left side of the tractor frame. note) and three 3/8" fl ange nuts (X). For the rear hole, • Attach the L.H. Hanger Bracke
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STEP 9: (SEE FIGURE 9) THIS SECTION IS FOR TRACTORS WITH A • Attach the cable bracket to the slot shown in the MANUAL ATTACHMENT CLUTCH clutch/idler assembly using a 5/16" x 3/4" carriage If your tractor has an electric attachment clutch go to bolt (K) and a 5/16" nylock nut (Y). Place the bolt in step 14 on page 11. the front hole of the bracket and in the end of the slot closest to the pulley. Do not tighten yet. STEP 7: (SEE FIGURE 7) • Attach the pulley (long end of hub facing down
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STEP 11: (SEE FIGURE 11) L.H. HANGER • Move the attachment clutch lever on the dash panel to PIVOT LOCK PIN (GG) SHOULDER BRACKET the disengaged (down) position. (use this hole) BOLT (M) • Place the clutch/idler assembly on the fl oor on the left 1/8" HAIRPIN side of the tractor. COTTER (EE) • Attach the tractor's clutch cable to the cable bracket. Secure the cable housing guide (groove down) to the cable bracket using the original collar and a 5/64" hair cotter pin (DD). • Place a spacer (
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STEP 16: (SEE FIGURE 16) THIS SECTION IS FOR TRACTORS WITH AN • Hook one end of the spring supplied in the parts bag ELECTRIC ATTACHMENT CLUTCH through the end link of the tensioning chain. • With the clutch/idler assembly turned upside down, hook the other end of the spring onto the end of the STEP 14: (SEE FIGURE 14) bolt and nut which secure the idler pulley to the upper • Attach the two suspension arms to the rear of the idler arm. Assemble a 3/8" hex lock nut (Z) onto the clutch/i
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STEP 18: (SEE FIGURE 17) STEP 20: (SEE FIGURE 19) • Turn the clutch/idler assembly right side up. • Assemble the drive belt onto the engine pulley fi rst • Slightly loosen the hex bolt next to the fl at idler pulley. and then onto the large pulley on top of the clutch/ Install the drive belt down between the hex bolt and the idler assembly. Place the belt to the inside of the idler fl at idler pulley with the fl at side of the belt against the pulley and the belt keeper bolt located beside the
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STEP 23: (SEE FIGURE 22) INSTRUCTIONS FOR TRACTORS WITH DUAL • Remove any bolts found in the holes shown. FRONT DECK SUSPENSION BRACKETS REMOVE BOLTS FASTEN SIDE PLATES TO TRACTOR IF PRESENT If your tractor resembles fi gure 20, go to step 21. If your tractor resembles fi gure 22, go to step 23. STEP 21: (SEE FIGURE 20) • Remove bolts from front three holes shown. • If a bolt is present in the fourth hole, replace it with a 5/16" x 1" carriage bolt (J) without a nut. The bracket SUSPENSION f
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INSTALLING SHOULDER BOLTS INSTALLING HANGER BRACKETS For better clearance, lower the tractor's suspension arms STEP 27: (SEE FIGURE 27) using the attachment lift lever. • Remove the bolt, washer and nut which fasten the sway bar bracket to the L.H. side of the tractor frame. STEP 26: (SEE FIGURE 25 or 26) Replace with a shoulder bolt (L) and a 3/8" fl anged On Tractors With Foot Rest Brackets nut (X). Bolt goes on inside of frame. • Remove the bolt and nut that fasten the L.H. and R.H. foo
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INSTALLING CLUTCH/IDLER ASSEMBLY This section covers the installation of the Clutch/Idler assembly to tractors with attachment clutches that are either rod operated (p. 15), cable operated (p. 17) or electric (p. 19). Use the appropriate instructions for your tractor. ROD OPERATED MANUAL ATTACHMENT CLUTCH STEP 29: (SEE FIGURE 29) • Move the attachment clutch lever on the dash panel to the disengaged (down) position. 5/16" NYLOCK 5/16" x 3/4" • Screw the trunnion (CC) onto the end of the
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STEP 32: (SEE FIGURE 32) NEW ENGINE PULLEY KEEPER WITH • Be sure to lift up the front end of the engagement rod ORIGINAL BOLT, NUT AND WASHER as shown when performing the next operation. You can temporarily support the rod using a rubber band tied to the engine pulley keeper. • Attach the clutch/idler assembly to the tractor frame TRUNNION (CC) as follows. Hook the assembly's notched arms onto the two shoulder bolts you assembled to the inside STOP BOLT of the tractor frame. Lift the fron
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CABLE OPERATED MANUAL ATTACHMENT CLUTCH • Slightly loosen the hex bolt next to the fl at idler pulley. Install the drive belt down between the hex bolt and the fl at idler pulley with the fl at side of the belt against the STEP 35: (SEE FIGURE 35) pulley. Retighten the hex bolt. • Attach the two suspension arms to the rear of the • Loop the belt around the large v-pulley, placing it clutch/idler assembly using two 5/16" x 3/4" hex bolts between the v-pulley and the hex bolt next to the pulle
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STEP 39: (SEE FIGURE 39) STEP 40: (SEE FIGURE 40) • Remove the engine pulley keeper from the side of • Assemble the short "V" belt onto the engine pulley the tractor frame by removing the washer and nut and then onto the large pulley on top of the clutch/idler that secure the keeper. Attach the new pulley keeper assembly. The belt must be placed to the inside of the supplied with the snow thrower, reusing the original engine pulley keeper, the idler pulley and the keeper bolt, washer and n
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ELECTRIC ATTACHMENT CLUTCHES STEP 43: (SEE FIGURE 43) • Hook the spring from the parts bag through the end of the tensioning chain. STEP 41: (SEE FIGURE 41) • Hook the other end of the spring onto the bottom of • Attach the two suspension arms to the rear of the the bolt and nut which secure the idler pulley to the clutch/idler assembly using two 5/16" x 3/4" hex bolts upper idler arm. Hold the bolt head and assemble a (C), 5/16" washer (Q) and 5/16" nylock nuts (Y) for 3/8" hex lock nu
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STEP 45: (SEE FIGURE 44) STEP 47: (SEE FIGURE 46) • Turn the clutch/idler assembly right side up. • Assemble the drive belt onto the engine pulley and • Slightly loosen the hex bolt next to the fl at idler pulley. then onto the large pulley on top of the clutch/idler Install the drive belt down between the hex bolt and the assembly. The belt must be placed to the inside of fl at idler pulley with the fl at side of the belt against the the idler pulley and the keeper bolt located beside the pu
