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SpeedEPart LST42H Manual

42" snow thrower
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42" SNOW THROWER
LST42H
Want more information or assembly tips?
Video
Instruction
Guide
y o u t u b e . c o m / c / a g r i f a b
the fastest way to purchase parts www.speedepart.com
PRINTED IN U.S.A.
FORM NO. 3-141 (10/12/21)

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  • Page 1 Want more information or assembly tips? Video Instruction Guide y o u t u b e . c o m / c / a g r i f a b the fastest way to purchase parts www.speedepart.com PRINTED IN U.S.A. FORM NO. 3-141 (10/12/21)

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY RULES ................................... 3 FULL SIZE HARDWARE CHART ............................4 CARTON CONTENTS ................................6 ASSEMBLY ................................... 7 OPERATION ..................................25 MAINTENANCE ................................. 26 SERVICE AND ADJUSTMENTS ............................27 STORAGE ..................................28 TROUBLESHOOTING ................................ 29 REPAIR PARTS ILLUSTRATION ..........................30,32,34 REPAIR PARTS LIST ..............................

  • Page 3: Safety Rules

    SAFETY Read and understand the operating instructions before using. Keep the area of operation clear of all persons, especially small children and pets. Thoroughly inspect the area to be cleared and remove all door mats, sleds, boards, wires and other foreign objects. Use extreme caution when operating on or crossing gravel surfaces.

  • Page 4: Full Size Hardware Chart

    HARDWARE PACKAGE CONTENTS NOT SHOWN ACTUAL SIZE 43182 47630 43661 43063 47631 43084 43080 48106 44326 43682 47598 43350 44215 46938 46584 43003 43088 43081 47572 47810 47605 43070 44695 42849 43082 R19172410 NOT SHOWN ACTUAL SIZE 46959 27809 27810 42848 HA3090 23727...
  • Page 5 REF. QTY. DESCRIPTION REF. QTY. DESCRIPTION Hex Bolt, 3/8" x 3-1/4" Flanged Nut, 5/16" Hex Bolt, 5/16" x 1-3/4" Flanged Nut, 3/8" Hex Bolt, 5/16" x 1" Nylock Nut, 5/16" (2 spare parts) Hex Bolt, 5/16" x 3/4" Hex Lock Nut, 3/8" Hex Bolt, 1/4"...

  • Page 6: Carton Contents

    CARTON CONTENTS Housing Assembly V-Belt, Drive 56" (#48138) Lift Handle and Cable V-Belt, Drive 55" (#46989) Crank Rod Support Tube V-Belt, Auger (Attached to Housing Assembly) Chute Crank Rod Assembly L.H. Hanger Bracket (Outside Mounting) Engagement Rod (Not used on some models) R.H.

  • 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. If there is a single (2) 9/16" Wrenches mower deck suspension bracket located underneath (2) 3/4"...
  • 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) • Using lower set of holes attach each rear pulley frame MANUAL ATTACHMENT CLUTCH bracket to the inside of the clutch frame using two If your tractor has an electric attachment clutch go to 5/16"...
  • Page 10 STEP 11: (SEE FIGURE 11) • Find the cable clip that is attached to the left side of the tractor frame underneath the footrest. Open 1/8" HAIRPIN NYLON TIE (LL) the clip and remove the mower clutch cable. Do not WASHERS (PP) 44044 COTTER (FF)
  • Page 11 THIS SECTION IS FOR TRACTORS WITH AN STEP 16: (SEE FIGURE 16) • Using the lower set of holes attach each rear pulley ELECTRIC ATTACHMENT CLUTCH frame bracket to the inside of the clutch/idler assembly using two 5/16" x 3/4" hex bolts (D), 5/16" washers STEP 14: (SEE FIGURE 14) (Q), and 5/16"...
  • 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. You • Slightly loosen the hex bolt next to the flat idler pulley. may need to remove the belt from the large pulley on Install the drive belt down between the hex bolt and the the clutch/idler assembly in order to assemble it onto...
  • 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 figure 20, start with step 21. If your tractor resembles figure 22, start with step 23.
  • 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 (M) and a 3/8"...
  • Page 15 • Insert a tensioning chain through the hole shown and INSTALLING CLUTCH/IDLER ASSEMBLY attach it to the spring on the lower idler arm. This section covers the installation of the Clutch/Idler • Install a 3/32" hairpin cotter (GG) in the 4th link of the assembly to tractors with attachment clutches that are chain.
  • Page 16 STEP 32: (SEE FIGURE 32) NEW ENGINE PULLEY KEEPER (4) • Be sure to lift up the front end of the engagement rod WITH ORIGINAL BOLT, NUT, AND WASHER (5) 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 STEP 37: (SEE FIGURE 37) STEP 35: (SEE FIGURE 35) • Two different length drive belts are included with your snow thrower. Tractors with manual attachment • Assemble the cable bracket (6) to inner part of the clutches and dual front deck suspension brackets use double holes in the clutch/idler assembly using two the 55"...
  • Page 18 STEP 38: (SEE FIGURE 38) NEW ENGINE PULLEY KEEPER WITH • Move the attachment clutch lever on the dash panel to ORIGINAL BOLT, NUT AND WASHER the disengaged (down) position. • Place the clutch/idler assembly on the floor on the right PIVOT LOCK PIN (HH) side of the tractor.
  • Page 19 ELECTRIC ATTACHMENT CLUTCHES STEP 43: (SEE FIGURE 43) • Attach the two rear pulley frame brackets (10) to the inside of the clutch/idler assembly using two 5/16" x 1" STEP 41: (SEE FIGURE 41) hex bolts (C), eight 5/16" washers (Q) and two 5/16" •...
  • 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 flat 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 (2) into the lift bracket on the right drive belt to the discharge housing, leaving the belt side of the snow thrower.
  • Page 22 STEP 52: (SEE FIGURE 51) STEP 54: (SEE FIGURE 53) • Install the chute crank rod (4) into the plastic bushing • Coat the top of the ring around the discharge opening in the chute tilt control assembly (8). with general purpose grease. •...
  • Page 23 ATTACHING SNOW THROWER TO TRACTOR STEP 57: (SEE FIGURE 56) • Push the lift handle down to increase slack in the belt. STEP 55: (SEE FIGURE 54) • Swing the lower idler arm over to the left side. • Place the snow thrower on a flat, level surface. •...
  • Page 24 SETTING THE AUGER BELT TENSION ATTACH REFLECTORS TO REAR FENDER STEP 60: (SEE FIGURE 59) STEP 58: (SEE FIGURE 57) • If your tractor is not equipped with rear reflectors, • Pull the tensioning chain until it is extended out as assemble the supplied rear reflectors (KK) to the rear far as the 3/32"...

  • 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

    ADJUSTING LIFT HEIGHT, LEVELING The snow thrower is equipped with two threaded lift links for adjusting the lift height and leveling of the snow thrower in the raised position. TO ADJUST THE LIFT HEIGHT: • Raise the snow thrower to the highest position. •...

  • Page 29: Troubleshooting

    TROUBLESHOOTING PROBLEM CAUSE CORRECTION 1. Upper or lower V belt too loose 1. Increase tension on V belt Spiral augers don't turn 2. Upper or lower V belt broken 2. Replace V belt 3. Shear bolts are sheared. 3. Replace shear bolts 1.
  • Page 30 REPAIR PARTS FOR MODEL LST42H 42" SNOW THROWER 30 23...
  • Page 31 REPAIR PARTS FOR MODEL LST42H 42" SNOW THROWER PART NO DESCRIPTION PART NO DESCRIPTION 28237 Flange, Bearing 27458BL1 Flange, Bearing 67629OR1 Housing Assembly 43064 Hex Lock Nut, 1/4-20 x 20 71464 Gear Assembly 27502BL3 Bracket, Idler 47026 Pulley, V Type...
  • Page 32 REPAIR PARTS FOR MODEL LST42H 42" SNOW THROWER...
  • Page 33 REPAIR PARTS FOR MODEL LST42H 42" SNOW THROWER PART NO QTY DESCRIPTION PART NO QTY DESCRIPTION 68550BL3 Lift Shaft Assembly 49266 Screw, Oval #10-24 x 1-1/2" 41616 Hex Bolt, 1/2-13 x 1" 44482 Grip, Handle 41614 Hex Bolt, 5/8-11 x 1-1/2"...
  • Page 34 REPAIR PARTS FOR MODEL LST42H 42" SNOW THROWER PART NO QTY DESCRIPTION 63904BL1 Idler Arm Assembly 24286 Spacer, Pivot 63762BL1 Idler Bracket Assembly 43015 Hex Nut, 3/8-16 46981 Pulley, V Type 9" 43082 Nut, Hex Lock, 3/8-16 46982 Pulley, V Type 5-1/2"...

  • 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 800-448-9282 www.agri-fab.com © 2021 Agri-Fab, Inc.

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