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Agri-Fab LST42B Owner's Manual

42" snow thrower
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OWNERS
MANUAL
Model No.
LST42B
42" SNOW THROWER
• Safety
CAUTION:
Read Rules for
• Assembly
Safe Operation
• Operation
and Instructions
• Maintenance
Carefully
• Parts
the fastest way to purchase parts www.speedepart.com
PRINTED IN U.S.A.
FORM NO. 49957 (2/06)

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Summary of Contents for Agri-Fab LST42B

  • Page 1 ™ OWNERS MANUAL Model No. LST42B 42" SNOW THROWER • Safety CAUTION: Read Rules for • Assembly Safe Operation • Operation and Instructions • Maintenance Carefully • Parts the fastest way to purchase parts www.speedepart.com PRINTED IN U.S.A. FORM NO. 49957 (2/06)

  • Page 2: Table Of Contents

    TABLE OF CONTENTS ACCESSORIES ..................................2 SAFETY RULES ................................... 3 FULL SIZE HARDWARE CHART ............................4 CARTON CONTENTS ................................6 ASSEMBLY ................................... 7 OPERATION ..................................25 MAINTENANCE ................................. 26 SERVICE AND ADJUSTMENTS ............................27 STORAGE ..................................28 TROUBLESHOOTING ................................ 28 REPAIR PARTS ILLUSTRATION ..........................

  • Page 3: Safety Rules

    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 •...

  • Page 4: Full Size Hardware Chart

    HARDWARE PACKAGE CONTENTS SHOWN ACTUAL SIZE NOT SHOWN ACTUAL SIZE...
  • Page 5 REF. QTY. REF. QTY. DESCRIPTION DESCRIPTION REF. REF. QTY. QTY. DESCRIPTION DESCRIPTION Hex Bolt, 3/8" x 3-1/4" Hex Bolt, 3/8" x 3-1/4" Bowed Washer Bowed Washer Bowed Washer Bowed Washer Hex Bolt, 5/16" x 1-3/4" Hex Bolt, 5/16" x 1-3/4" Hex Bolt, 5/16"...

  • Page 6: Carton Contents

    CARTON CONTENTS Suspension Arms (2) L.H. Hanger Bracket (Outside Mounting) Left Hand Side Plate R.H. Hanger Bracket (Outside Mounting) Clutch Idler Assembly Right Hand Side Plate V-Belt, Drive (Short) #46989 Anti-rotation Bracket Engagement Rod (Not used on some models) V-Belt, Drive (Long) #48138 Engine Pulley Keeper (Not used on some models) V-Belt, Auger (Attached to Housing Assembly) Chute and Control Cable Assembly...

  • Page 7: Assembly

    ASSEMBLY TOOLS REQUIRED FOR ASSEMBLY IDENTIFY YOU TRACTOR (2) 7/16" Wrenches STEP 1: (SEE FIGURE 1) (2) 1/2" Wrenches • Look under the front of your tractor Look under the front of your tractor Look . If there is a single (2) 9/16"...
  • Page 8 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" •...
  • Page 9 THIS SECTION IS FOR TRACTORS WITH A STEP 9: (SEE FIGURE 9) • 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"...
  • Page 10 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"...
  • Page 11 THIS SECTION IS FOR TRACTORS WITH AN STEP 16: (SEE FIGURE 16) • 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...
  • Page 12 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.
  • Page 13 INSTRUCTIONS FOR TRACTORS WITH DUAL STEP 23: (SEE FIGURE 22) FRONT DECK SUSPENSION BRACKETS • Remove any bolts found in the holes shown. REMOVE BOLTS FASTEN SIDE PLATES TO TRACTOR IF PRESENT f your tractor resembles fi gure 20, go to step 21. If your tractor resembles fi...
  • Page 14 INSTALLING HANGER BRACKETS INSTALLING SHOULDER BOLTS For better clearance, lower the tractor's suspension arms using the attachment lift lever. STEP 27: (SEE FIGURE 27) • 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"...
  • Page 15 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) •...
  • Page 16 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.
  • Page 17 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.
  • Page 18 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.
  • Page 19 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 •...
  • Page 20 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.
  • Page 21 ASSEMBLY OF THE SNOW THROWER STEP 50: (SEE FIGURE 49) • Tilt the snow thrower back down to the ground. STEP 48: (SEE FIGURE 47) • Remove the nylon tie which fastens the auger • Place the lift handle into the lift bracket on the right side drive belt to the discharge housing, leaving the belt of the snow thrower.

  • Page 22: Anti-Rotation Bracket

    STEP 52: (SEE FIGURE 51) STEP 53: (SEE FIGURE 52) • Attach the chute crank rod assembly brackets to • Coat the top of the ring around the discharge opening the plastic bracket on the left side of the discharge with general purpose grease.
  • Page 23 ATTACHING SNOW THROWER TO TRACTOR BEFORE INSTALLING THE AUGER BELT STEP 56: (SEE FIGURE 55) NOTE: An additional person's help may be required to • The auger belt comes preassembled to the pulleys on mount the snow thrower to the front of the tractor. the snow thrower housing.
  • Page 24 INSTALLING THE ATTACHMENT PIN ATTACH REFLECTORS TO REAR FENDER STEP 59: (SEE FIGURE 58) STEP 58: (REFER BACK TO FIGURE 54 ON PAGE 23) • If your tractor is not equipped with rear refl ectors, • Lift the front of the snow blower to align the holes in assemble the supplied rear refl...

  • Page 25: Operation

    OPERATION KNOW YOUR SNOW THROWER Read this owner's manual and safety rules before operating your snow thrower. Compare the illustration below with your snow thrower to familiarize yourself with the various controls and their locations. LIFT RELEASE TRIGGER CHUTE TILT HANDLE LIFT HANDLE CRANK ROD UPPER CHUTE...

  • Page 26: Maintenance

    RAISING AND LOWERING • In extremely deep snow, raise the snow thrower from the ground to remove the top layer and drive forward • To raise, push down on the lift handle until the snow only until the tractors front tires reach the uncleared thrower locks in the raised transport position.

  • Page 27: Service And Adjustments

    SERVICE AND ADJUSTMENTS LIFT RELEASE CABLE ADJUSTMENT CAUTION : Before servicing or adjusting the snow thrower, shut off the engine, remove • If the lift rod does not lock the snow thrower securely the spark plug wire(s), set the parking brake in the transport position, loosen the upper hex nut on and remove the key from the tractor ignition.

  • Page 28: Storage

    STORAGE PARTS TO REMOVE AT END OF SEASON STORAGE RECOMMENDATIONS • Lower the snow thrower to the ground. • Remove the snow thrower from the tractor. • Remove the clutch/idler assembly. (The two hanger brackets and the two shoulder bolts may be left •...
  • Page 29 NOTES...
  • Page 30 PARTS REPAIR PARTS FOR MODEL LST42B 42" SNOW THROWER...

  • Page 31: Chute Crank Rod Assembly

    REPAIR PARTS FOR MODEL LST42B 42" SNOW THROWER REF. REF. REF. PART PART PART QTY. DESCRIPTION QTY. DESCRIPTION QTY. DESCRIPTION REF. REF. REF. REF. PART PART PART PART QTY. QTY. QTY. QTY. DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION 43038 43038 43038 Pin, Pivot Lock...
  • Page 32 REPAIR PARTS FOR MODEL LST42B 42" SNOW THROWER 57 61...

  • Page 33: Support Tube, Crank Rod

    REPAIR PARTS FOR MODEL LST42B 42" SNOW THROWER REF. REF. REF. PART PART PART QTY. QTY. QTY. DESCRIPTION DESCRIPTION DESCRIPTION REF. REF. REF. PART PART PART QTY. QTY. QTY. DESCRIPTION DESCRIPTION DESCRIPTION 42 720-0201A 42 720-0201A 42 720-0201A Knob, Crank...

  • Page 34: Cable Bracket

    REPAIR PARTS FOR MODEL LST42B 42" SNOW THROWER REF. REF. REF. PART PART PART QTY. QTY. QTY. DESCRIPTION DESCRIPTION DESCRIPTION 43080 43080 43080 Carriage Bolt, 5/16-18 x 3/4" Carriage Bolt, 5/16-18 x 3/4" Carriage Bolt, 5/16-18 x 3/4" 43064 43064...

  • Page 35: Slope Guide

    SLOPE GUIDE (Keep this sheet in a safe place for future reference.) Use this guide to determine if a slope is safe for the operation of your tractor and snow thrower. Refer also to the instructions in your vehicle owners manual.
  • Page 36 REPAIR PARTS Agri-Fab, Inc. 809 South Hamilton Sullivan, IL. 61951 217-728-8388 www.agri-fab.com © 2003 Agri-Fab, Inc.

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