Agri-Fab LST42G Owner'S Manual Download

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Model No.

LST42G

OWNERS

MANUAL

PRINTED IN U.S.A.

FORM NO. 28156 rev. (05/09/16)

42" SNOW THROWER

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parts

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CAUTION:

Read Rules for Safe

Operation and Instructions

Carefully

•  Safety
•  Assembly
•  Operation
•  Maintenance
•  Parts

Summary of Contents for LST42G

Page 1: ...NUAL PRINTED IN U S A FORM NO 28156 rev 05 09 16 42 SNOW THROWER the fastest way to purchase parts www speedepart com CAUTION Read Rules for Safe Operation and Instructions Carefully Safety Assembly Operation Maintenance Parts ...

Page 2: ...28 TROUBLESHOOTING 29 REPAIR PARTS ILLUSTRATION 30 32 34 REPAIR PARTS LIST 31 33 34 SLOPE GUIDE 35 PARTS ORDERING SERVICE BACK COVER IMPORTANT Rear wheel weights and tire chains are required to provide extra traction and stability when using this snow thrower attachment These items are available where you purchased your tractor WHEEL WEIGHTS TIRE CHAINS ...

Page 3: ...ng and operating the snow thrower If the snow thrower starts to vibrate abnormally stop the engine immediately and check for the cause Vibration is generally a warning of trouble Stop the engine whenever you leave the operating position before unclogging the snow thrower or making any adjustments or inspections Take all possible precautions when leaving the unit unattended Disengage the attachment...

Page 4: ...AL SIZE N K Q A 46938 43084 43182 43661 47631 47630 43350 44215 43682 44326 43080 48106 42849 43003 43088 43081 R19172410 47605 43070 44695 43082 47810 47572 46584 47598 43063 AA GG EE DD CC BB FF LL HH II JJ KK 46959 27809 27810 42848 HA3090 43343 43055 43038 46963 726 0178 47788 HA9822 42991 23727 MM NN ...

Page 5: ...Shoulder Bolt N 2 Shear Bolt spare parts O 7 Lock Washer 3 8 P 7 Washer 1 4 Q 22 Washer 5 16 Extra washers included R 8 Washer 1 2 S 1 Washer 3 8 Thin T 3 Washer 3 8 REF QTY DESCRIPTION U 2 Bowed Washer V 6 Flanged Nut 1 4 W 1 Flanged Nut 5 16 X 10 Flanged Nut 3 8 Y 22 Nylock Nut 5 16 2 spare parts Z 2 Hex Lock Nut 3 8 AA 1 Spring BB 3 Chute Keeper CC 3 Chute Spacer DD 1 Trunnion EE 2 Hairpin Cott...

Page 6: ...acket 12 Front Pulley Frame Bracket 2 13 V Belt Drive 56 48138 14 V Belt Drive 55 46989 15 V Belt Auger Attached to Housing Assembly 16 L H Hanger Bracket Outside Mounting 17 R H Hanger Bracket Outside Mounting 18 L H Hanger Bracket Inside Mounting 19 R H Hanger Bracket Inside Mounting 20 Left Hand Side Plate 21 Right Hand Side Plate 22 Pulley 23 Large Spacer 3 8 46989 48138 42992 11 5 7 17 2 4 6 ...

Page 7: ... tractor hood Refer to your tractor owner s manual for removal instructions FIGURE 2 RIGHT SIDE VIEW IMPORTANT Right hand R H and left hand L H side of the tractor are determined from the operators position while seated on the tractor REMOVE FRONT SCREWS REMOVE BROWNING SHIELD MOWER DECK SUSPENSION BRACKET FIGURE 1 INSTRUCTIONS FORTRACTORS WITH SINGLE FRONT DECK SUSPENSION BRACKET STEP 2 SEE FIGUR...

Page 8: ...CKETS AND SHOULDER BOLTS TO OUTSIDE OF FRAME STEP 5 SEE FIGURE 5 Remove the bolt if present in the hole directly behind the brake rod on the left side of the tractor frame Attach the L H Hanger Bracket tube facing out to the hole using a 5 16 x 3 4 self threading bolt Install a shoulder bolt into the hole that is 9 1 2 to the rear of the bolt you just installed Secure it with a 3 8 flange nut on t...

Page 9: ... Use the longer 56 drive belt 48138 on tractors with manual attachment clutches Slightly loosen the hex bolt next to the flat idler pulley Install the drive belt down between the hex bolt and the flat idler pulley with the flat side of the belt against the pulley Retighten the hex bolt Loop the belt around the large v pulley placing it between the v pulley and the hex bolt next to the pulley Place...

Page 10: ... deck STEP 11 SEE FIGURE 11 Find the cable clip that is attached to the left side of the tractor frame underneath the footrest Open the clip and remove the mower clutch cable Do not remove the clip from the tractor frame The cable reattaches to the clip when using the mower deck Move the attachment clutch lever on the dash panel to the disengaged position Place the clutch idler assembly on the flo...

Page 11: ...n the 5th link of the chain attached to the upper idler arm Install a 3 32 hairpin cotter in the 4th link of the chain attached to the lower idler arm FIGURE 15 STEP 17 SEE TABLE 1 Two different length drive belts are included with your snow thrower Use the table below to select the correct drive belt for your type tractor The part number is printed on the outside of the belt Set aside the belt th...

Page 12: ... length belt may cause premature bearing or belt failure DRIVE BELT FLAT IDLER PULLEY HEX BOLTS PIVOT LOCK PIN use second hole SHOULDER BOLT 1 8 HAIRPIN COTTER L H HANGER BRACKET 1 8 HAIRPIN COTTER ENGINE PULLEY HEX BOLTS FLAT IDLER PULLEY TENSIONING CHAIN LEFT SIDE OF TRACTOR STEP 20 SEE FIGURE 19 Assemble the drive belt onto the engine pulley You may need to remove the belt from the large pulley...

Page 13: ...x 1 carriage bolt without a nut The bracket fastened to inside of frame must remain in place FRONT SUSPENSION BRACKET REPLACE BOLT IF PRESENT REMOVE BOLTS IF PRESENT FIGURE 20 RIGHT SIDE VIEW INSTRUCTIONS FORTRACTORS WITH DUAL FRONT DECK SUSPENSION BRACKETS FASTEN SIDE PLATES TO TRACTOR If your tractor resembles figure 20 start with step 21 If your tractor resembles figure 22 start with step 23 ST...

Page 14: ...he frame using a 3 8 x 1 carriage bolt and a 3 8 flanged nut Bolt head goes on inside of tractor frame Repeat for the R H side STEP 28 SEE FIGURE 28 Assemble a shoulder bolt and 3 8 flanged nut to the R H side of the tractor frame using the first empty hole to the rear of the R H hanger bracket Bolt goes on inside of frame FIGURE 27 LEFT SIDE VIEW INSTALLING SHOULDER BOLTS STEP 27 SEE FIGURE 27 Re...

Page 15: ...nside of the clutch idler assembly using two 5 16 x 1 hex bolts eight 5 16 washers and two 5 16 nylock nuts for each bracket Attach the two front pulley frame brackets to the inside of the clutch idler assembly using two 5 16 x 3 4 hex bolts 5 16 washers and 5 16 nylock nuts for each bracket Add extra washers if needed FIGURE 30 FIGURE 31 STOP Did you choose the correct drive belt for your tractor...

Page 16: ...34 SEE FIGURE 34 Assemble the short V belt onto the engine pulley and then onto the large pulley on top of the clutch idler assembly The belt must be placed to the inside of the engine pulley keeper the idler pulley and the keeper bolt located beside the large pulley IMPORTANT Do Not assemble the V belt around the outside of the engine pulley keeper or the keeper bolt Go to step 48 on page 21 FIGU...

Page 17: ...of the chain FIGURE 35 CABLE OPERATED MANUAL ATTACHMENT CLUTCH FIGURE 37 HEX BOLTS DRIVE BELT FLAT IDLER PULLEY 46989 STEP 37 SEE FIGURE 37 Two different length drive belts are included with your snow thrower Tractors with manual attachment clutches and dual front deck suspension brackets use the 55 drive belt with 46989 printed on the outside of the belt DO NOT USE the other belt Slightly loosen ...

Page 18: ...actor frame as follows Hook the rear of the assembly onto the two shoulder bolts you installed on the tractor frame Lift the front of the assembly and attach it to the hanger brackets you installed using two pivot lock pins and 1 8 hairpin cotters FIGURE 38 STEP 38 SEE FIGURE 38 Move the attachment clutch lever on the dash panel to the disengaged down position Place the clutch idler assembly on th...

Page 19: ...6 BELT PART 48138 TRACTOR TYPE DECK SIZE CLUTCH TYPE LT Lawn Tractor 48 Electric LT Lawn Tractor 38 42 46 Electric TABLE 2 STEP 41 SEE FIGURE 41 Turn the clutch idler assembly upside down Hook the long end of the spring onto the end of the bolt that extends through the nut on the bottom of the upper idler arm Install a 3 8 hex lock nut onto the bolt leaving enough space for the spring to pivot FIG...

Page 20: ...ts you assembled to the inside of the tractor frame Lift the front of the assembly and attach it to the R H and L H hanger brackets using two pivot lock pins and 1 8 hairpin cotters FIGURE 45 RIGHT SIDE VIEW CLUTCH IDLER ASSEMBLY FIGURE 44 STOP Did you choose the correct drive belt for your tractor Using the wrong length belt may cause premature bearing or belt failure STEP 45 SEE FIGURE 44 Turn t...

Page 21: ... FIGURE 47 RIGHT SIDE VIEW 5 16 NYLOCK NUT 5 16 x 1 3 4 HEX BOLT ASSEMBLY OF THE SNOW THROWER STEP 50 SEE FIGURE 49 Tilt the snow thrower back down to the ground Remove the nylon tie which fastens the auger drive belt to the discharge housing leaving the belt assembled around the pulleys Remove the nylon tie which fastens the chute crank rod to the crank rod support tube Assemble the crank rod sup...

Page 22: ...are snug but do not dig into the plastic chute keepers Position the crank rod spiral see figure 51 so that it does not rub against the bottoms of the notches in the chute flange Tighten the nuts Turn the crank rod to check if the chute rotates freely If not loosen the bolts and nuts that attach the chute to the flange by 1 4 turn each Secure the control cables to the crank rod support tube using a...

Page 23: ... passes over the top of the auger pulley and then twists 1 4 turn to pass underneath each side idler pulley The V side of the belt must mate with the grooves of the pulleys IDLER PULLEY AUGER PULLEY TWIST 1 4 TURN TWIST 1 4 TURN IDLER PULLEY FIGURE 55 FIGURE 54 RIGHT SIDE VIEW BELT ROUTING DIAGRAM ENGINE PULLEY 1 8 HAIRPIN COTTER MOUNTING PLATE SIDE PLATE CLEVIS PIN 1 2 x 7 8 SHOULDER BOLT FIGURE ...

Page 24: ...ansport position Refer to the Service and Adjustments section 6 Check skid shoe adjustment Refer to the Service and Adjustments section Operating instructions begin on page 25 SETTING THE AUGER BELT TENSION STEP 58 SEE FIGURE 57 Pull the tensioning chain until it is extended out as far as the 3 32 hairpin cotter installed in the chain will allow Install a 1 8 hairpin cotter through the chain to se...

Page 25: ...leared Refer to the Service and Adjustments section Make sure the tractor engine has the correct oil for winter operation SAE 5W 30 Refer to tractor owner s manual HOW TO START YOUR SNOW THROWER The tractor should be sitting with the engine running at full throttle Move the attachment clutch to the engaged position starting the snow thrower before the tractor clutch is engaged HOW TO STOP YOUR SNO...

Page 26: ...d For maximum snow removal and discharge maintain high engine r p m full throttle It is advisable to operate the lawn tractor at a slow ground speed 1st gear for safe and efficient snow removal In deep drifted or banked snow it will be necessary to use full throttle and a slow ground speed 1st gear Drive forward into the snow depress the tractor s clutch brake pedal and allow the spiral auger to c...

Page 27: ...e same height to keep the housing and the scraper plate level See figure 60 LIFT RELEASE CABLE ADJUSTMENT If the lift rod does not lock the snow thrower securely in the transport position loosen the upper hex nut on the lift bracket a few turns and tighten the lower hex nut Refer to figure 48 on page 21 If the lift rod fails to unlock completely to lower the snow thrower loosen the lower hex nut o...

Page 28: ...ndle in the down position to decrease belt tension Release the spring tension from the auger belt idler arm on the bottom of the clutch idler assembly Remove the auger drive belt from the clutch idler assembly See figure 56 on page 23 Pull the spiral auger housing assembly off of the tractor STORAGE ADJUSTING LIFT HEIGHT LEVELING The snow thrower is equipped with two threaded lift links for adjust...

Page 29: ...ng contact with 4 Allow snow thrower to cool to the snow thrower outdoor temperature before using Front wheels slide instead of steering Snow thrower rides up over snow 1 Object jammed in spiral auger 1 Stop engine disengage the snow thrower clutch and clear the auger 2 Hard or heavy snow 2 Increase to full throttle and decrease ground speed Not enough traction at front wheels 1 Increase scraper p...

Page 30: ...9 8 53 23 65 65 4 1 32 59 10 47 66 45 64 27 27 34 37 19 23 30 24 30 38 46 46 43 43 21 49 17 48 62 60 63 19 23 13 30 23 30 8 23 15 23 23 30 23 30 17 23 61 55 44 36 20 22 14 26 18 36 20 68 67 30 38 22 33 21 40 31 34 14 20 25 54 41 42 18 54 40 40 18 50 51 54 54 56 52 57 50 51 58 16 16 25 13 17 ...

Page 31: ...Wrt 31 47615 2 Bearing Flange 32 42844 1 Bearing Ball 33 43182 1 Hex Bolt 5 16 18 x 3 4 34 42953 4 Bearing Split 3 4 35 24279 2 Skid Shoe REF PART NO QTY DESCRIPTION 36 48015 4 Washer Nylon 37 27458 2 Flange Bearing 38 43064 2 Hex Lock Nut 1 4 20 x 20 39 27502 1 Bracket Idler 40 48106 4 Bolt Shoulder 41 65367 1 Hanger Bracket Assembly L H 42 65450 1 Hanger Bracket Assembly R H 43 41576 2 Hex Bolt ...

Page 32: ... 11 12 12 13 13 14 14 16 17 17 18 18 27 25 25 31 31 32 33 36 44 70 63 49 53 52 44 44 41 42 45 39 46 47 30 43 48 51 50 54 55 7 58 18 63 63 63 56 66 64 62 62 40 52 19 53 65 65 59 59 5 37 34 35 59 38 59 35 15 23 24 21 26 29 22 63 20 67 68 28 24 61 60 65 57 10 8 58 58 58 68 69 10 67 15 58 69 ...

Page 33: ...18 x 1 3 4 31 43343 2 Pin Haircotter 4 1 8 32 25678 1 Plate Side R H 33 25679 1 Plate Side L H 34 49916 1 Tube Lift Handle 35 49912 1 Trigger and Lift Cable Assembly REF PART NO QTY DESCRIPTION 36 43070 2 Washer 3 8 37 49266 1 Screw Oval 10 24 x 1 1 2 38 44482 1 Grip Handle 39 27914 1 Tube Crank Rod Support 40 24393 1 Bracket Chute Crank 41 27708 1 Bracket Chute Crank 42 HA9822 1 Grip 43 44917 1 P...

Page 34: ...2 1 Belt V Type Auger 28 47044 1 Pulley V Type 4 29 47025 1 Hex Bolt 5 16 18 x 3 1 2 30 43432 3 Hex Bolt 3 8 16 x 2 1 2 31 43054 3 Hex Bolt 3 8 16 x 2 32 24571 1 Spacer 33 24472 1 Spacer Pivot 34 43070 8 Washer 3 8 35 46959 2 Spring 36 46963 2 Chain 37 43055 2 Pin Hair Cotter 3 32 38 23727 1 Spacer 39 43088 1 Washer 1 4 40 43343 2 Pin Hair Cotter 4 1 8 41 HA3090 2 Pin Hair Cotter 5 64 42 42848 1 T...

Page 35: ... manual CAUTION DO NOT OPERATE YOUR TRACTOR AND SNOW THROWER ON A SLOPE IN EXCESS OF 10 DEGREES BE SURE OF YOUR TRACTOR S TOWING AND BRAKING CAPABILITIES BEFORE OPERATING ON A SLOPE AVOID ANY SUDDEN TURNS OR MANEUVERS WHILE ON A SLOPE A POWER POLE A CORNER OF A BUILDING OR A FENCE POST F O L D A L O N G D O T T E D L IN E R E P R E S E N T IN G A 1 0 D E G R E E S L O P E SIGHT AND HOLD THIS LEVEL...

Page 36: ...to the Universal Copyright Convention and the Berne convention No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying or recording or by any information storage or retrieval system without the express written permission of Agri Fab Inc Unauthorized uses and or reproductions of this manual will subject such unauthorized ...

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