ACI Hoist & Crane MH Operation Manual Download

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Mechanics Hoists

Mechanics Hoists

PAGE: 1

Model MH

MH-0214

2721 NE 4th Ave Pompano FL 33064| (954) 367-6116

Visit WWW.ACIHOIST.COM for the most current information

OPERATION MANUAL

This operation manual is intended as an instruction manual for trained

personnel who are in charge of installation, maintenance, repair etc.

Version # MH-0214

Before equipment use, please read this operation manual

carefully.

Summary of Contents for MH

Page 1: ...7 6116 Visit WWW ACIHOIST COM for the most current information OPERATION MANUAL This operation manual is intended as an instruction manual for trained personnel who are in charge of installation maintenance repair etc Version MH 0214 Before equipment use please read this operation manual carefully ...

Page 2: ...Mechanics Hoists PAGE 2 Model MH MH 0214 2721 NE 4th Ave Pompano FL 33064 954 367 6116 Visit WWW ACIHOIST COM for the most current information ...

Page 3: ... 9 Chain Container 9 3 9 1 Installation of Standard Chain Container 9 4 0 OPERATION 10 4 1 Test and Operational Checks 10 4 2 Operation Personnel 11 4 3 Product Warnings 11 4 4 Product Cautions 12 5 0 INSPECTION 14 5 1 General 14 5 2 Inspection Classification 14 5 3 Frequent Inspection 15 5 4 Periodic Inspection 15 5 5 Occasionally Used Hoist 16 5 6 Inspection Reports 16 5 7 Inspection Methods and...

Page 4: ...4 367 6116 Visit WWW ACIHOIST COM for the most current information 10 1 Repair Parts Ordering Instructions 26 10 2 Exploded View MH 005 MH 010 27 10 3 Exploded View MH 020 28 10 4 Parts List MH 005 MH 010 MH 020 29 10 5 Exploded View MH Pendant 32 10 6 Parts List MH Pendant 33 ...

Page 5: ...tions improper maintenance or excessive heat Problems resulting from repairs modifications or alterations made by people other than factory or ACI representatives If the product has been abused or damaged due to an accident If repair parts or accessories other than ACI equipment are used on the product they are warranted only to the extent that they are warranted by the manufacturer of said parts ...

Page 6: ...nently hazardous situation which if not avoided will result in death or serious injury and property damage Warning Indicates an imminently hazardous situation which if not avoided could result in death or serious injury and property damage Caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or property damage Notice Notifies people of ins...

Page 7: ...ist and electrical system and to reduce the risk of electrical shock or fire the branch circuit supplying power to the hoist must Be in accordance with the National Electrical Code ANSI NFPA 70 and applicable National State and Local codes Effectively ground the hoist in accordance with the National Electrical Code and other applicable codes Proper grounding provides a path with the least resistan...

Page 8: ...dle It must be adequate to support the hoist while it is being operated at its maximum capacity safe working load 3 7 Load Chain The chain should feed smoothly into and away from the hoist and hook block ton and 1 ton If the chain binds jumps or is noisy First clean and lubricate the chain if trouble persists inspect chain and mating parts for wear distortion and other damages 3 8 Load Chain Lubri...

Page 9: ...nable or hazardous the use of a chain container is recommended 3 9 1 Installation of Standard Chain Container 1 Remove both bolts from the chain container mounting bracket see Figure 3 9 1 1 2 Attach the chain container to the bracket 3 Reinsert the bolts Figure 3 9 1 1 Do not attempt to store more chain in the chain container than what is specified for the hoist or serious damage to hoist may res...

Page 10: ...hat all nuts bolts and split pins cotter pins are securely fastened Confirm proper operation Before operating read and become familiar with this manual Before operating check to ensure that the hoist and trolley meet the Inspection Testing and Maintenance requirements of ANSI ASME B30 16 Before operating check that nothing will interfere with the full range of the hoist s and trolley s operation S...

Page 11: ...ransport people DO NOT operate the hoist until all personnel are clear of the supported load DO NOT lift loads over personnel DO NOT remove or obscure the warning labels on the hoist DO NOT operate a hoist on which the safety place cards or decals are missing or illegible DO NOT operate a hoist which has been modified without the manufacturer s approval or without certification that it is in confo...

Page 12: ... sure that the hoists limit switches function properly DO warn personnel of an approaching load DO take up slack carefully make sure the load is balanced and the load holding action is secure before continuing DO protect the hoist s load chain from weld splatter or other damaging contaminants 4 4 Product Cautions DO NOT DO NOT allow your attention to be diverted from operating the hoist DO NOT all...

Page 13: ... the hook latches Latches are to retain slings chains etc under slack conditions only DO make sure the hook latches are closed and not supporting any parts of the load DO make sure the load is free to move and will clear all obstructions DO avoid swinging the load or hook DO make sure the hook travel is in the same direction as shown on the controls ...

Page 14: ...ating conditions 5 2 Inspection Classification The inspection procedure for hoist in regular service is divided into two general classifications based upon the intervals at which inspection should be performed The intervals in turn are dependent upon the nature of the critical components of the hoist and the degree of their exposure to wear deterioration or malfunction The two general classificati...

Page 15: ... in safe working condition Table 6 4 1 PERIODIC INSPECTION 1 Complete the requirements of Frequent Inspection 2 Check to ensure there is no evidence of loose bolts nuts or rivets 3 Check to ensure there is no evidence of damage or excessive wear of load and idler sheaves 4 Check to ensure there is no evidence of damage to hook retaining nuts or collars and pins and welds or rivets used to secure t...

Page 16: ...on would be required if frequent or periodic inspection results so indicate Such disassembly and further inspection should only be performed by a certified or qualified person trained in the disassembly and re assembly of the hoist Table 5 7 1 Hoist Inspection Methods and Criteria Item Method Criteria Action Functional operating mechanisms Visual Auditory Mechanisms should be properly adjusted and...

Page 17: ...ting a load Clean Lubricate Load Chain reeving Visual Chain should be reeved properly through load sheave Chain cushion rubbers washers and stoppers should be installed properly Reeve Install chain properly Chain Container Visual Container should not be damaged Brackets should not be deformed or missing Replace Housing and Mechanical Components Visual Auditory Vibration Function Hoist components i...

Page 18: ...id type solvent and make a link by link inspection for nicks gouges twisted links weld splatter corrosion pits striations minute parallel lines cracks in weld areas wear and stretching A chain with any of these defects must be replaced before use When checking the chain for wear check the part of the chain that goes through the lift wheel of the hoist most often Check the interlink area of the cha...

Page 19: ... the chain at regular intervals with Lubriplate Bar and Chain Oil 10 R or equal lubricant Normally weekly lubrication and cleaning is satisfactory but under hot and dirty conditions it may be necessary to clean the chain at least once daily and lubricate the chain several times between cleanings When lubricating the chain apply sufficient lubricant to obtain natural run off and full coverage espec...

Page 20: ...tly if needed Oil Check oil level and change oil if needed Before each shift 6 3 Replacing Gear Brakes Oil Our gear brakes are made of durable copper material but if a brake needs repair the brake assembly must be replaced in its entirety Read the instructions below when replacing the gear brakes 1 Place an empty container under the gear box cap to catch the oil 2 Open the gear box cap see Figure ...

Page 21: ... hoists in which load sustaining parts have been replaced you should test the load with 125 of rated capacity by or under an appointed person and a written report prepared for record purposes In accordance with the CMAA 78 it is required to have a 100 load test preformed every four years For assistance or additional information on inspection and testing please contact your ACI representative toll ...

Page 22: ...ble If one is broken replace the entire cable Faulty switch in pendant Check electrical continuity Check electrical connections Replace or repair as needed Low voltage in hoist s power supply Determine cause of low voltage and bring to within plus or minus 5 of the voltage specified on the motor nameplate The voltage should be measured at the hoist contactor Hoist will not lift rated load or does ...

Page 23: ...Mechanics Hoists PAGE 23 Model MH MH 0214 ACI Hoist Crane 2721 NE 4th Ave Pompano Beach FL 33064 954 367 6116 Visit WWW ACIHOIST COM for the most current information 8 0 WIRING DIAGRAM ...

Page 24: ... 5 1 8 16 5 1 8 16 9 Lifting Speed FPM 16 16 8 Duty Rate ED 30 30 30 NO of Starts Per Hour 300 300 300 International Protection IP NEMA IP 54 NEMA 4 IP 54 NEMA 4 IP 54 NEMA 4 Insulation Class F F F Gross Weight lb 53 53 62 There is no direct conversion between NEMA types and IP codes Table 9 2 Table 9 3 Hook Mounted Push Trolley Mounted Model H L W Model H L W B M MHH 005 17 16 75 7 5 MHH 005 22 1...

Page 25: ...0 75 0 71 0 94 0 89 These values are nominal since the dimension is not controlled to a tolerance The D dimension should be measured when the hook is new this becomes a reference measurement Subsequent measurements are compared to this reference to make determinations about hook deformation stretch Table 9 6 Chain Wear Dimensions Capacity Ton G Dimension inch E Dimension Wear Limit inch Standard D...

Page 26: ...acity from the hoist name plate located on the side of the hoist Hoist Speed from the hoist name plate located on the side of the hoist Item number of part from the part list Part name from the part list Part number from the part list Quantity of parts requested Note When ordering replacement parts it is recommended that consideration be given to the need for also ordering such items as gaskets fa...

Page 27: ...Mechanics Hoists PAGE 27 Model MH MH 0214 ACI Hoist Crane 2721 NE 4th Ave Pompano Beach FL 33064 954 367 6116 Visit WWW ACIHOIST COM for the most current information 10 2 Exploded View MH 005 MH 010 ...

Page 28: ...Mechanics Hoists PAGE 28 Model MH MH 0214 ACI Hoist Crane 2721 NE 4th Ave Pompano Beach FL 33064 954 367 6116 Visit WWW ACIHOIST COM for the most current information 10 3 Exploded View MH 020 ...

Page 29: ...IRING BOX MH012 1 MH012 1 13 SCREWS MH013 4 MH013 4 14 RESISTOR MH014 1 MH014 1 15 SCREWS MH015 2 MH015 2 16 BRIDGE TYPE RECTIFIER MH016 2 MH016 2 17 SCREWS MH017 2 MH017 2 18 RUBBER BAND MH018 1 MH018 1 19 BASE OF CARBON BRUSH MH019 2 MH019 2 19 1 CARBON MH019 1 2 MH019 1 2 20 CARBON BRUSH COVER MH020 2 MH020 2 21 RUBBER WASHER MH021 1 MH021 1 22 CONTROL CABLE SOCKET MH022 1 MH022 1 23 SCREWS MH0...

Page 30: ...2 MH052 2 53 CHAIN GUIDE SPRING MH053 1 MH053 1 54 LOWER HOOK SUSPENSION MH054A 1 MH054B 1 55 LOWER HOOK MH055A 1 MH055B 1 56 SCREWS MH056 2 MH056 1 57 NUTS WASHER MH057 2 MH057 1 58 CHAIN GUIDE MH058 1 MH058 1 59 GEAR SHAFT MH059 2 MH059 2 60 GEAR SHAFT BASE MH060 1 MH060 1 61 SCREWS MH061 4 MH061 4 62 THIRD SECTION OF GEAR SHAFT MH062 1 MH062 1 63 KEY MH063 1 MH063 1 64 OIL SEAL MH064 1 MH064 1 ...

Page 31: ... 82 FIXING PIN MH082 1 MH082 1 83 CLICK FIXING BOLT MH083 1 MH083 1 84 CLICK SPRING MH084 1 MH084 1 85 CLICK MH085 1 MH085 1 86 PRESS DISK TYPE SPRING MH086 1 MH086 1 87 PACKING MH087 1 MH087 1 88 FIRST LAYER GEAR BOX MH088 1 MH088 1 89 SCREWS MH089 4 MH089 4 90 WASHER MH090 1 MH090 1 91 NUTS MH091 1 MH091 1 92 CONTROL PLUG MH092 1 MH092 1 93 POWER CABLE SET MH093 1 MH093 1 94 CABLE SET OF CONTROL...

Page 32: ...Mechanics Hoists PAGE 32 Model MH MH 0214 ACI Hoist Crane 2721 NE 4th Ave Pompano Beach FL 33064 954 367 6116 Visit WWW ACIHOIST COM for the most current information 10 5 Exploded View MH Pendant ...

Page 33: ...List MH Pendant PARTS LIST FOR PENDANT ITEM NO PART DESCRIPTION PART NO QTY 1 CONNECTOR PBS 1PH 1 1 2 SWITCH CABLE PBS 1PH 2 1 3 SCREWS PBS 1PH 3 4 4 PLASTIC COVER PBS 1PH 4 1 6 TUBE PBS 1PH 6 1 7 STICKER PBS 1PH 7 1 9 PLASTIC COVER PBS 1PH 9 1 10 SCREWS PBS 1PH 10 2 11 SCREWS PBS 1PH 11 2 12 INTERIOR CONNECTOR PBS 1PH 12 1 13 PLASTIC COVER PBS 1PH 13 1 14 SCREWS PBS 1PH 14 6 ...

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