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MLI PARTS & SERVICE MANUAL
Part No. M00971F
Printed in the USA

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  • Page 1 MLI PARTS & SERVICE MANUAL Part No. M00971F Printed in the USA...
  • Page 2 It is strongly recommended that only trained and authorized personnel perform maintenance on this material lift. This manual is intended to be used in conjunction with the MLI Industrial Pro Series Operator’s Manual. Failure to read, understand, and obey all safety rules in both manuals, and all safety decals/placards attached to the material lift, may result in serious injury or death.
  • Page 3: Table Of Contents

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual CONTENTS 1 - SAFETY 5 - PARTS (continued) Personal & Maintenance Safety Mast Assembly (I) - First Mast Assembly Mast Assembly (II) - Center Mast Assembly 2011 – 2012 Models...
  • Page 4: Safety

    Parts & Service Manual SAFETY Failure to follow all safety rules in this manual, in addition to the MLI Industrial Pro Series Operator’s Manual, and all safety decals/placards attached to the material lift may result in serious injury or death.
  • Page 5: Personal & Maintenance Safety

    ❑ Read, understand, and obey the safety ❑ Wear personal protective equipment rules described in the MLI Industrial Pro (PPE), including protective eyewear, Operator’s Manual. gloves, and steel-toed shoes. ❑ Choose a work area that is clean, well-lit, and properly ventilated.
  • Page 6: Inspections

    Perform each of the following inspections daily or • Perform all daily, quarterly and/or annual before each use of the material lift: inspections according ❑ Verify that the MLI Industrial Pro Series manufacturer’s recommendations. Operator’s Manual is in the storage • Perform quarterly and/or annual container attached to the material lift.
  • Page 7: Visual Inspection

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual VISUAL INSPECTION FUNCTION TEST (2-Speed Winch Models) Perform the following inspections daily or before Perform the following test daily or before each use each use: to verify that the equipment is not malfunctioning: ❑...
  • Page 8: Quarterly Inspections

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series QUARTERLY INSPECTIONS Perform the following inspections quarterly or after every 100 hours of operation. Perform these inspections in addition to all daily inspections: NOTE: It is important to perform all the inspections listed to ensure the material lift can be used correctly and safely.
  • Page 9: Cleaning The Masts

    CLEANING THE MASTS Replace the brake lining plate if it is less than 1/16 inch (1.5 mm) thick. LiftSmart requires that this procedure be performed ❑ Inspect the reamed bushings on the shaft for every 200 hours or quarterly, whichever comes excessive wear.
  • Page 10: Annual Inspections

    4. Re-assemble the Mast (refer to related corrosion. information in Section 4 of this manual). Inspect the Hold Down Bar Unsafe work areas occur when damage to the MLI Industrial Pro Series is not discovered. ❑ Visually inspect the Fork Carriage and Hold Down Bar.
  • Page 11: Inspecting The Mast Assembly

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual INSPECTING THE MAST ASSEMBLY Perform the following steps to inspect the mast assembly for wear: ❑ Engage hold-down bar and then tilt the material lift back and lower it onto a support so that the masts are parallel to the ground and the Fork Carriage is facing up.
  • Page 12: Inspecting The Ce Mast Brake System

    RESULT: The mast should stop within 5 not elevate. inches (12.7 cm) and the mast brake should be engaged. * Please check our website (liftsmart.NET) for upcoming videos that will demonstrate this testing procedure. Copyright © 2022 LiftSmart...
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  • Page 14: Troubleshooting

    When troubleshooting the material lift: ❑ Follow all the safety rules provided in previous sections of this manual and in the MLI Industrial Pro Series Operator’s Manual and all safety decals/placards attached to the material lift. ❑ Use the table on the following page to determine the cause of the malfunction and the solution to correct the issue(s).
  • Page 15 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual COMPLAINT Possible CAUSE CORRECTION Mast does not sequence properly. The material lift is at or above Remove excess weight from the maximum capacity. load. A pulley-mount is broken. Inspect and replace all broken pulley mounts.
  • Page 16: Repair

    While performing repairs: ❑ Follow all the safety rules provided in previous sections of this manual and in the MLI Industrial Pro Series Operator’s Manual, and all safety decals/placards attached to the material lift. ❑ Follow all instructions provided in this section.
  • Page 17: Removing The Base

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual REMOVING THE BASE ❑ Follow this procedure to remove the base from the Remove the ball detent pin (M00088) and material lift and refer to the related parts diagrams guide each leg to its storage position.
  • Page 18 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series procedure above in the reverse sequence with the added steps below: Prior to tightening the cap screws to the Base Weldment and Struts ensure the right and left side of the Base Weldment is square (set to 90- degrees) with the First Mast (use a square).
  • Page 19: Disassembling The Mast

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual DISASSEMBLING THE MAST ❑ If desired, for easier access, the Leg Follow this procedure to disassemble the mast Assemblies can be folded into their stowed (refer to prior section if base is also to be removed): position by a.) removing the Ball Detent Pin...
  • Page 20: Assembling The Mast

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series ASSEMBLING THE MAST Follow this procedure to assemble a mast that has securely tightened and that Blue Loctite® has been disassembled: been applied to the bolt threads. ❑ If the Base Weldment has not been removed the...
  • Page 21 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual ❑ downward. Replace or re-install the Struts Slide each mast forward and attach the mast (M00024 & M00025) following the procedure in Down Stop. this manual. NOTE: Before sliding each mast forward, pull ❑...
  • Page 22: Replacing A Pulley

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series REPLACING A PULLEY Follow this procedure to replace a pulley without Note: The fasteners (screws and washers) used to having to fully disassemble the mast. mount the pulleys vary by mast and/or position.
  • Page 23: Replacing A Pulley Mount

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual ❑ REPLACING A PULLEY MOUNT Replace the pulley mount and any additional component that needs to be replaced. Follow this procedure to replace a pulley mount or ❑ Thread the cap screw of the pulley into the new any component on it without having to fully pulley mount (apply red Loctite®...
  • Page 24: Replacing The Cable

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series ❑ REPLACING THE CABLE Remove the retaining pin (M00088) from each leg. Caution: The Leg Assemblies may abruptly fold down once retaining pins are Follow this procedure to replace the cable without removed and inadvertently strike technicians disassembling the mast.
  • Page 25 Use needle nose pliers to feed the cable into the pulley at the bottom of the Front Mast until it reaches the top of the mast. Please visit our web site at www.liftsmart.NET for ❑ Feed the cable into the pulley at the top of the...
  • Page 26: Replacing The Transport Wheel Option

    ▪ Leave the push tube at the 90-degree Follow this procedure to add or replace the position. transport wheel option on an MLI Material Lift. ▪ Tilt the material lift back onto a support as Disassembling the Transport Wheel Option: described in prior sections.
  • Page 27: Parts

    ❑ ALWAYS use replacement parts provided or authorized by the manufacturer. NOTE: Slight variations may exist in the design of the MLI Industrial Pro Series, contingent upon its date of manufacture. Whenever possible, these variations are noted in the diagrams, and footnotes under the part number tables, on the following pages.
  • Page 28: Decals - Ansi

    M00920 Made in the U.S.A. Quantity Part Number Description MLI-5 MLI-10 MLI-15 MLI-20 MLI-25 M00923 LiftSmart Material Lift Industrial Pro Series Decal M00924 MLI-5 (Cosmetic) M00925 MLI-10 (Cosmetic) M00926 MLI-15 (Cosmetic) M00927 MLI-20 (Cosmetic) M00928 MLI-25 (Cosmetic) M00922 NOTICE - Load Capacity, MLI...
  • Page 29 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual M00903 M00904 M00991 Refer to page 62 for multiple quantities and locations of M00910. M00924 M00992 M00925 M00926 M00906 M00927 M00910 M00928 M00919 Copyright © 2022 LiftSmart...
  • Page 30: Decals - Ce

    Verify that all decals are legible and correctly attached to the material lift before operating the equipment. Quantity Part Number Description MLI-5 MLI-10 MLI-15 MLI-20 MLI-25 M00923 LiftSmart Material Lift Industrial Pro Series Decal M00924 MLI-5 (Cosmetic) M00925 MLI-10 (Cosmetic) M00926 MLI-15 (Cosmetic) M00927 MLI-20 (Cosmetic) M00928 MLI-25 (Cosmetic) Operator’s Manual Storage Container, Symbolic...
  • Page 31 M00922CE M00956 M00954 M00900CE M00958 Diagrams depict basic CE configuration, but there are several variations depending on country and if the machine is equipped with optional Cable Guard. Please contact LiftSmart for additional assistance. Copyright © 2022 LiftSmart...
  • Page 32: Standard Base And Stabilizers

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series STANDARD BASE AND STABILIZERS Copyright © 2022 LiftSmart...
  • Page 33 M00739’s are used instead, if there are washer shims placed between the mast and the base plate to obtain the specified mast tilt-back required for the various MLI models produced (see page 16 for more information on tilt-back).
  • Page 34: Straddle Base

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series STRADDLE BASE Copyright © 2022 LiftSmart...
  • Page 35 ² Recommend using blue thread sealant for these fasteners. Note: The Straddle Base Option is only available for MLI-5, MLI-10, and MLI-15 models. Do not install a Straddle Base on any other LiftSmart mast assembly or any mast assembly produced by any other manufacturer.
  • Page 36: Leg Assembly

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series LEG ASSEMBLY (2 LEGS PER MATERIAL LIFT) CE models equipped with symbolic decals (see part number and description table for more details) Note: Items 13 and 14 are applied to the outside facing side of each leg so the decals are visible from the outside of the machine.
  • Page 37 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual LEG ASSEMBLY Quantity Per Machine Item Part Number Number Description MLI-5 MLI-10 MLI-15 MLI-20 MLI-25 M00283- Leg Assembly w/Decals - Short ¹ ASSY M00026- Leg Assembly w/Decals - Medium ¹...
  • Page 38: Load Slider Pad Assembly

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series LOAD SLIDER PAD ASSEMBLY Copyright © 2022 LiftSmart...
  • Page 39 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual LOAD SLIDER PAD ASSEMBLY Item Part Number Number Description Quantity M00705 HHCS - M10 x 45 M00743 Washer - M10 - Flat M00472 Load Slider Pad M00706 Hex Nut - M10...
  • Page 40: Transport Wheel Assembly Option

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series TRANSPORT WHEEL OPTION Copyright © 2022 LiftSmart...
  • Page 41 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual TRANSPORT WHEEL OPTION Item Part Number Number Description Quantity per Option M00090 Transport Wheel Option M00091 Transport Wheel Mounting Bracket - Right M00092 Transport Wheel Mounting Bracket - Left M00095- Transport Wheel Assembly - 10”...
  • Page 42: Mast Assembly (I) - First Mast Assembly

    Part Number M00971F MLI Industrial Pro Series MAST ASSEMBLY (I) - FIRST MAST ASSEMBLY Note: For older models, LiftSmart recommends upgrading the first mast pulley-mount assembly to the components depicted above for maximum performance and durability. Copyright © 2022 LiftSmart...
  • Page 43 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual MAST ASSEMBLY (I) - FIRST MAST ASSEMBLY HISTORICAL CHANGES Models manufactured from 2011 to Q3 2012. Copyright © 2022 LiftSmart...
  • Page 44 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series MAST ASSEMBLY (I) - FIRST MAST ASSEMBLY Item Part Number Number Description Quantity M00437 MLI Mast A M00060 Pulley w/ Bearing M00045 Pulley Mount - Mast A M00048 Pulley Guard...
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  • Page 46: Mast Assembly (Ii) - Center Mast Assembly

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series MAST ASSEMBLY (II) - CENTER MAST ASSEMBLY 2011 - 2012 MODELS Copyright © 2022 LiftSmart...
  • Page 47 ² Prior to 2019 there were two different MLI Mast B part numbers. M00438 was used for telescopic masts without a mast braking system and M00237 was used for telescopic masts that were equipped with the first generation of the mast braking system.
  • Page 48: 2013 - Current Models

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series MAST ASSEMBLY (II) - CENTER MAST ASSEMBLY 2013 - CURRENT MODELS Copyright © 2022 LiftSmart...
  • Page 49 ² Prior to 2019 there were two different MLI Mast B part numbers. M00438 was used for telescopic masts without a mast braking system and M00237 was used for telescopic masts that were equipped with the first generation of the mast braking system.
  • Page 50: 2011 - 2012 Models

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series MAST ASSEMBLY (III) - FRONT MAST AND FORK CARRIAGE 2011 - 2012 MODELS Note: Item 24 is a different length bolt compared to all other pulley-mount bolts. Also, item 25 is only used on this pulley mount and only this pulley has item 19 on each side of the pulley bearing.
  • Page 51 MAST ASSEMBLY (III) - FRONT MAST AND FORK CARRIAGE 2011 - 2012 MODELS Item Part Number Number Description Quantity ¹ M00438 MLI Mast B Standard and Mast Brake Models M00060 Pulley w/Bearing M00054 Pulley Mount - 1/2-13 M00048 Pulley Guard M00707 Washer - M12 - Narrow M00716 HHCS - M12 x 30 ²...
  • Page 52: 2013 - Current Models

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series MAST ASSEMBLY (III) - FRONT MAST AND FORK CARRIAGE 2013 - CURRENT MODELS Note: Item 24 is a different length bolt compared to all other pulley-mount bolts. Also, item 25 is only used on this pulley mount and only this pulley has item 19 on each side of the pulley bearing.
  • Page 53 ² Prior to 2019 there were two different MLI Mast B and Fork Carriage part numbers. M00438 and M00040 were used for telescopic masts without a mast braking system and M00237 and M00240 were used for telescopic masts equipped with the first generation of the mast braking system. The difference between these components are how they are machined, so they are not interchangeable.
  • Page 54: Back Of The Mast Assembly

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series BACK OF THE MAST ASSEMBLY Copyright © 2022 LiftSmart...
  • Page 55 FHCS - M8 x 20 M00703 Hex Nut - M8 M00121-ASSY Hold Down Bar w/Decal (Decal M00912 not depicted) M00126 Hold Down End Hook, Short, MLI-5, MLI-10, & MLI-15 M00133 Hold Down End Hook, Medium, MLI-20 M00132 Hold Down End Hook, Long, MLI-25 M00122...
  • Page 56 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series 2-SPEED WINCH ASSEMBLY Copyright © 2022 LiftSmart...
  • Page 57 M00819 Spacer M00820 Sintered Iron Bearing M00821 Nut, Hex Lock - 5/8-11 6” Offset Handle Assembly (MLI-5 & MLI-10 Models) M00837 8” Offset Handle Assembly (MLI-15, MLI-20, & MLI-25 Models) M00822 M00831 Reamed Bushing M00824 Base M00825 Detent Spring M00826...
  • Page 58: Smart-Latch™ Option

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series SMART-LATCH™ OPTION Copyright © 2022 LiftSmart...
  • Page 59 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual SMART-LATCH™ OPTION Quantity Per Machine Item Part Number Number Description MLI-5 MLI-10 MLI-15 MLI-20 MLI-25 Smart-Latch™ Assembly - 1 Stage Mast M00172 Smart-Latch™ Assembly - 2 Stage Mast M07180 Smart-Latch™...
  • Page 60 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series CE MAST BRAKING OPTION (CURRENT MODELS) Copyright © 2022 LiftSmart...
  • Page 61 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual CE MAST BRAKING OPTION (CURRENT MODELS) Item Part Number Number Description Quantity Per Assembly M35101-L Mast Brake Assembly, LS (includes all components below) M00498 Plunger Assembly M00769 Washer, Flat, AN960 C7/16 7/16-inch, Thick 18-8...
  • Page 62 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series CE MAST BRAKING OPTION (FIRST GENERATION) Copyright © 2022 LiftSmart...
  • Page 63 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual CE MAST BRAKING OPTION (FIRST GENERATION) Quantity Item Part Number Number Description MLI-5 MLI-10 MLI-15 MLI-20 MLI-25 M00054 Pulley-Mount Mast B M00229 Mast Brake Clevis Washer - 0.4” ID x 1.0 OD x 0.05” - Nylon...
  • Page 64: Standard Fork Assembly

    Note: Decals depicted in this section are for North American and English- language speaking countries. Please refer to earlier section covering decals used for international versions of the assemblies on this page. ADJUSTABLE FLAT FORK ASSEMBLY ONLY FOR MLI-5, MLI-10, AND MLI-15 MODELS (Production available 2023) Copyright © 2022 LiftSmart...
  • Page 65 Decal, Warning Adjustable Fork Set-Up & Safety M00910 Decal, Warning No Riders Pin, Fork 8” (sold separately / not included in assembly above) M00068 * NOTE: ADJUSTABLE FLAT FORK ASSEMBLY IS ONLY AVAILABLE FOR MLI-5, MLI-10, AND MLI-15 MODELS. Copyright © 2022 LiftSmart...
  • Page 66: Boom Assembly

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series BOOM ASSEMBLY / LOAD PLATFORM ACCESSORY BOOM ASSEMBLY Note: Decals depicted in this section are for North American and English-language speaking countries. Please refer to earlier section covering decals used for international versions of the assembly above and accessory below.
  • Page 67 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual BOOM ASSEMBLY Item Part Number Number Description Quantity per Assembly M00158 Boom Assembly w/Decals M00164- Boom Weldment w/Decals ASSY M00200 Clevis Weldment Pin - Detent - 0.5” x 2.5”, no lanyard...
  • Page 68: Pipe Cradle Accessory

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series PIPE CRADLE ACCESSORY / FORK EXTENSION ACCESSORY / MANUAL STORAGE PIPE CRADLE ACCESSORY FORK EXTENSIONS ACCESSORY MANUAL STORAGE TUBE ASSEMBLY Copyright © 2022 LiftSmart...
  • Page 69 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual PIPE CRADLE ACCESSORY Item Number Part Number Description Quantity Per Set M00270 Pipe Cradle Accessory (includes all components below) M00271-ASSY Pipe Cradle Forming w/Decals M00730 Wing Nut - M12...
  • Page 70: Retractable Lifting Point Option

    Parts & Service Manual Part Number M00971F MLI Industrial Pro Series OTHER OPTIONS/ACCESSORIES Refer to decal section for decals and location Item Part Number Number Description M00434 MLI Cable Guard M00488 Retractable Lifting Point Option Copyright © 2022 LiftSmart...
  • Page 71: Appendix A: Machine Specifications

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual APPENDIX SPECIFICATIONS Copyright © 2022 LiftSmart...
  • Page 72 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series SPECIFICATIONS LiftSmart is dedicated to the continuous improvement of this and all LiftSmart products. Specifications are subject to change without notice. MLI-5 MLI-10 MLI-15 MLI-20 MLI-25 Lift Height 6 ft 5 ¼ in...
  • Page 73 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual APPENDIX TORQUE REQUIREMENTS Copyright © 2022 LiftSmart...
  • Page 74 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series Dry Torque - SAE Grade 5 Bolts Dry Torque - SAE Grade 8 Bolts Bolt Size Threads in*lb ft*lb in*lb ft*lb 5/16 7/16 9/16 1221 Recommended Recommended Recommended Bolt Size...
  • Page 75: Appendix C: Inspection Checklist

    MLI Industrial Pro Series Part Number M00971F Parts & Service Manual APPENDIX INSPECTION CHECKLIST Copyright © 2022 LiftSmart...
  • Page 76 Parts & Service Manual Part Number M00971F MLI Industrial Pro Series Scheduled Maintenance and Inspection Checklist Use the checklist on the following page to create a record of all scheduled inspections and/or maintenance that is performed on the material lift.
  • Page 77 MLI Industrial Pro Series Part Number M00971F Parts & Service Manual Scheduled Maintenance and Inspection Checklist Daily Inspections Model Operator’s Manual Serial Number Visual Inspection Inspection Location Function Test Inspector Name (Print) Quarterly Inspections Inspector Title Inspect the Welds Inspector Signature...
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  • Page 79 NOTES:...
  • Page 80 John 3:16 Part No. M00971F Printed in the USA...

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