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Reg. U.S. TM. O .
PWJTHF & PWJTHT Single phase models
User's Manual / Manual de usuario
Safety Warnings / Advertencias de seguridad

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Summary of Contents for Prowinch PWJTHF

  • Page 1 ® Reg. U.S. TM. O . PWJTHF & PWJTHT Single phase models User’s Manual / Manual de usuario Safety Warnings / Advertencias de seguridad...
  • Page 2 This page intentionally left blank...
  • Page 3 It is not the responsibility of Prowinch® LLC to verify the accuracy of the given information. It is the sole and exclusive responsibility of the client -or who will use...
  • Page 4 1910.179(k)(2) requires that test reports be placed on file where readily available to appropriate personnel.” To ensure safety and installation requirements, Prowinch requires a Load Test to be performed before initial use for all Hoists, Winches, and Cranes, as well as other related components. Not fulfilling this requirement is dangerous, could lead to equipment failure, and will automatically void the warranty.
  • Page 5 Safety Bulletin (c) Guide governments and other regulatory bodies in developing, communicating, and enforcing appropriate safety directives. The equipment covered by the B30 Standard is subject to hazards that cannot be reduced by mechanical means but only by the exercise of intelligence, care, and common sense.
  • Page 6 Safety Bulletin B30.26 Rigging Hardware. B30.27 Material Placement Systems. B30.28 Balance Lifting Units. B30.29 Self-Erecting Tower Cranes. B30.30 Ropes. DO NOT DO NOT Operate, install, or repair the hoist unless trained and authorized. DO NOT Operate the hoist unless you have first read the operator’s manual. DO NOT Operate the hoist without appropriate PPE and without performing a pre-shift inspection.
  • Page 7 Safety Bulletin WIRE ROPE: Check for broken wires, broken strands, kinks, and deformation or damage to the rope structure. CHAIN: Check for corrosion, wear, elongation, twist, nicks, or gouges. Keep Chain/Wire Rope Clean and Lubricated. REEVING: Check the rope for proper reeving and that rope parts are not twisted. LIMIT SWITCHES: Ensure that all limit devices stop lifting motion before the load block or chain/ rope stop strikes the hoist.
  • Page 8 Index Disclaimer ........................................ Safetu bulletin......................................Safety Precautions ....................................10 Hoist Safety Precautions ..................................11 Before Using the equipment ........................11 During Operation ..........................12 Inspection, Maintenance and repairs ....................12 Specifications ......................................15 Product Code ............................15 Specification Chart ..........................15 Load Level and Service Life ........................16 Fixed Hoist Specifications ........................17 Trolley Hoist Specifications ........................18 Hoists Dimensions ..........................18...
  • Page 9 Chain Wheel ............................47 Load pulley and empty pulley ......................47 Chain guide ............................47 Chain wheel, junction part ........................47 Bearing ..............................47 Trolley ..............................48 Electric Trolley ............................48 Manual Trolley ............................44 Wiring Diagram ......................................49 Conventional Hoist wiring diagram (PWJTHF-PWJTHT) ..............49 V.07.22 [LA] Version 1.0...
  • Page 10 1. SAFETY PRECAUTIONS • Prowinch® Electric Chain Hoist is designed for safe and reliable service if operated according to this User Manual. • Respect all warnings for personal and third-party safety. The inadequate operation of this equipment may cause injuries or damage to the equipment.
  • Page 11: Before Using The Equipment

    Safety Precautions 1.1. Hoist Safety Precautions WARNING: This symbol indicates a dangerous situation which if not avoided may cause minor or moderate injury. It is also used for indicating unsafe practices. DANGER: This symbol indicates a potentially dangerous situation which if not avoided may cause severe injuries or death All operators and other users who are near the steel chain or its load must wear required safety equipment: gloves, safety helmet / hard hat, safety shoes...
  • Page 12: During Operation

    • Only trained and authorized personnel may perform repairs to the equipment. • Use only original ProWinch® parts. The use of any other part immediately voids the warranty. • Failure to use only original ProWinch® parts may create a dangerous condition for the operator.
  • Page 13 Safety Precautions 1. Do not overload. 2. Check the proper crimp of the 3. Periodically check the chain and keep electrical connections. it lubricated. 4. Do not transport people or animals 5. Do not step or walk under lifted load 6.
  • Page 14 Safety Precautions Warning: Do not exceed the operating temperatures for which the hoist is designed. This range is indicated in this manual and may vary depending on the model. Avoid contact with gases or explosive materials. Exposure to water, sand, a corrosive environment, or other potentially harmful elements may damage the equipment.
  • Page 15: Specifications

    Double Speed Hoist 81db Observations Do not use Prowinch® Electric Chain Hoists when the temperature or humidity exceeds the range stated in the Specification Chart. Our hoists are designed to lift loads vertically under normal atmospheric and working conditions. V.07.22 [LA]...
  • Page 16 Specifications 2.3. Load Level and Service Life Operational Time Ratings at K = 0.65 Uniformly Distributed Infrequent Work Work Periods Periods Hoist Duty Typical Areas of Application Max. Max. On Class Max. No. No. Time Max. No. Time, Starts/hs From Cold of Starts min/hr Start...
  • Page 17 Specifications Maintenance Expected Life [Working Hours] Working Conditions Load Time Interval 800 1600 3200 6300 12500 (Months) Light mechanisms are typically subjected to light Light 6 - 12 loads and rarely to the maximum load. Mechanisms are generally subjected to moderate Normal <...
  • Page 18 Specifications 2.5. Trolley Hoist Specifications Model Specifications PWJTHT300 PWJTHF500 PWJTHT800 Capacity (lb) Lifting Speed (ft/min) Motor Power (W) Insulation Grade IP55 Power Supply 120VAC Control Voltage 120VAC No. Chain falls Spec. of Load Chain 5x15 5x15 5x15 Net Weight (lb) 16.7 Basic Dimensions 14.0...
  • Page 19 Specifications V.07.22 [LA] Version 1.0...
  • Page 20 Specifications V.07.22 [LA] Version 1.0...
  • Page 21 Specifications 4. Oil & Lubricant Recommendations Do not allow chain to run dry. Lubricant dramatically increases the life of the load chain. Weekly lubrication and cleaning are satisfactory, but under hot, dirty, and extreme conditions, it may be necessary to clean the chain at least once a day and lubricate it several times between cleanings.
  • Page 22: Installation

    Installation 3. INSTALLATION Before installing, removing, inspecting, or performing any maintenance on the hoist, the main switch must be de-energized, locked out, and tagged out. Do not use this equipment in hazardous locations. Installation Process: • Electric chain hoists must be grounded properly. •...
  • Page 23 Installation 3.2 Chain Bag Assembly 4.3.1 Before installing the hoist, please confirm that the whole upper hook assembly has been assembled firmly to the hoist body and that the chain connection pin has been installed correctly. Remarks: If the hoist is equipped with an electric trolley, the upper hook can be removed. 4.3.2 Assemble chain bag (Fig.4.1) 4.3.3 Link the power supply and operate the push button.
  • Page 24: Electrical Connections

    Installation 3.3. Electrical Connections Operator and/or owner must provide main power supply hardware (cable, conductor bar, fuses, disconnect switch, etc.) Fuses and other current overload devices must be in place to protect power supply. Do not use power supply cables with solid conductors. An improper or insufficient ground connection creates an electrical shock hazard when touching any part of hoist or trolley V.07.22 [LA]...
  • Page 25 Installation 3.4. Install Trolley (models with trolley) 1.- Insert suspension pins into lateral plate G and lock it with suspension pin bolts and nuts. 2.- Install suspension pin with adjusting disk. 3.- Install suspension pin into hanger T. The nameplates of hoist and trolley should be in the same direction. 4.- Install additional gaskets into suspension pin before inserting it into lateral plate S.
  • Page 26: Supply Voltage

    Installation 3.5. Adjust Trolley Width (models with trolley) • Adjust width of trolley according to drawing (right) for appropriate clearance. • Size A is the dimension of two side plates that stretch outside completely. • Size A must be approximate B (the width of rail flange) + 4mm.
  • Page 27: Handling Precautions

    Operation 4. OPERATION 4.1. Qualified Operator Hoist operators are required to read and fully understand the operation section of this manual, all warnings contained in the manual, and labels attached to the equipment. Safe and efficient operation of this hoist requires an operator who displays caution and careful judgment. The operator must be fully alert, focused, and aware of his/her surroundings.
  • Page 28 Operation 4.3 Recommended Operation Always carry out a complete inspection before starting the operation of the hoist. See ASME B30. Always let all personnel know that crane maneuvers are about to begin! Do not allow Unauthorized Personnel to be in the lifting area. Start with Operational Test 1.
  • Page 29 Operation Gradually lower load until it is secured on resting surface. Avoid hitting surface at high speed. If necessary, stop movement before reaching surface and gradually lower to land load. NEVER leave load suspended without attention of the hoist operator! V.07.22 [LA] Version 1.0...
  • Page 30 Parts 1. H3 EXPLODED VIEW AND PARTS LIST 1.1 Motor and body assembly drawing V.07.22 [LA] Version 1.0...
  • Page 31 Parts 1.2 Motor and body assembly parts list Part Name Part Name 1 Hexagonal socket cylindrical head screw 38 Hex Nut 2 Spring Washer 39 Dead Plate 3 Flat Washer 40 Lock Plate Screw 4 Nameplate 41 Upper Hook 5 Motor Cover 42 Cylindrical Pin 6 Electromotor 43 Needle Bearing...
  • Page 32 Parts 1.3 Motor and body assembly parts list Part Name Part Name 75 Lower Hook 81 Flat Washer 76 Lower Hook Housing 82 Spring Washer 77 Lower Hook Housing Cover 83 Hexagon thin nut 78 Swim Shaft 84 Chain hoist pin 79 Chain Wheel 85 Corrugated pin 80 Lower Hook Cover...
  • Page 33 Parts 1.4 Trolley assembly drawing V.07.22 [LA] Version 1.0...
  • Page 34 Parts 1.5 Trolley assembly parts list. Part Name Part Name 1 Hexagonal Screw 33 Edge wheel axis 2 Spring Washer 34 Trolley edge wheel 35 Side wheel support gasket 4 Motor Back Cover 36 Spring washer 5 Rolling Bearing 37 Hexagonal Screw 6 Brake Assembly 38 Spring Washer 7 Rubber Ring...
  • Page 35: Periodic Inspection

    Inspection & Maintenance 1. OPERATION 1.1. Periodic Inspection Items Inspection Method Standards Correction Clear marks and no peeling Proceed with cleaning, Marks such as repairing and replacing. Visual check name-plates, labels etc. Record serial number for replacing Visual check Motor Connection Gearbox No remarkable deformation,...
  • Page 36 Inspection & Maintenance Items Inspection Method Standards Correction Extent of pitch Check by chain measurement tool Attrition of chain Check with chain measurement tool diameter Visual check Damage Chap - No deep cut - No Deformation Deformation, damage, - No deformation Replace load chains wind - No Wind...
  • Page 37 Inspection & Maintenance Inspection Items Standards Correction Method Operate until upper and lower Replace limit switch, disassemble Limit switch Check by pushing button limit cause automatic motor and clean limit lever shutdown -Load chain can roll up easily -Motor shutdown immediately when operation stops -All movements shutdown when E-stop button pushed...
  • Page 38 Inspection & Maintenance Items Inspection Method Standards Correction Visually check and with No remarkable opening or attrition vernier caliper tool Load 0.3 -0.5 Attrition and opening of the hook 7.5 - 10 20 - 25 Deformation, damage and No remarkable deformation, harmful damage and Visual check Replace hook corrosion...
  • Page 39: Troubleshooting

    Troubleshooting 7.1. During Operation: Symptoms Main Cause Correction Excessive voltage Power Power supply Internal wiring Contactor is Contactor Operating circuit break-off, electric parts over- inaudible heating Transformer Brake is Up/Down limit switch inaudible Hoist does not operate Button switch Motor Brake Contactor is audible Power circuit break-off, overheating motor, brake Internal wiring...
  • Page 40 Troubleshooting Fault Major Cause Check Items Rail declining Trolley movement Electric trolley /manual trolley Inclined pull (wheel is lifting) Trolley movement Does not move horizon- Electric trolley /manual trolley Gear occlusion problem Trolley movement tally Electric trolley /manual trolley Brake fastening Trolley movement Electric trolley Electric faults...
  • Page 41: Power Cable

    Troubleshooting Condition Reason Action Cause Correction No operation Abnormal supply voltage Power supply Improper power supply Check power supply regularly Power Cable Condition Reason Action Cause Correction Firmly fix on cable support or Strong force exerted other equipment Use anti-vibration cable in (2 or more) movable part.
  • Page 42 Troubleshooting Brake Condition Reason Action Cause Correction Excessive current caused by Operate under rated voltage high or low voltage Avoid over-operation Excessive current caused by Operate under rated voltage Measure brake phase resistance overload Braking coil burning value; change brake if value is Confirm short-term rating, infinite.
  • Page 43 Troubleshooting Transformer Condition Reason Action Cause Correction Excessive voltage Operate under rated voltage Avoid over-operation Measure coil resistance value; Coil burning, break Excessive current caused by Change transformer if value infinite Refer to contactor items No operation contactor (contractor) Avoid excessive bumping in Vibration, drop usage Check leading wire, repair or...
  • Page 44: Limit Switch

    Troubleshooting Limit switch Condition Reason Action Cause Correction Operate limit switch. Check conti- Contact fused nuity of contactor, replace if result Limit switch overuse Avoid overuse of switch is negative Inspect cable, change if wire break- Avoid excessive bumping in No operation (Contactor) Wire break Vibration, drop...
  • Page 45: Electric Shock

    Troubleshooting Electric shock Condition Reason Action Cause Correction Improper ground wire con- Firmly connect ground wire nection Equipment not prop- Measure earth resistance. If below Assemble carefully to prevent Ground wire bad connection erly grounded 100Ω assemble ground wire loose screw Electric shock upon touching machinery or control switch Do not apply excessive force on...
  • Page 46: Load Chain

    Troubleshooting Load chain Condition Reason Action Cause Correction Bottom hook up- Bottom hook rotation during Check hook state before oper- Reset hook turned usage ation Chain is twisted Chain twist in ma- Reassemble chain guide and load Improper assembly Ensure proper assembly chinery body chain Confirm chain bag capacity (chain...
  • Page 47: Chain Wheel

    Troubleshooting Chain Wheel Condition Reason Action Cause Correction Long-term operation with Apply lubricating oil regularly insufficient lubrication Check wear degree on chain, wheel Improper noise Wear of chain wheel slot, and load chain. Replace if Excessive operation Avoid excessive operation badly worn Overload Use under rated load...
  • Page 48 Troubleshooting Trolley Condition Reason Action Cause Correction No drive due to wheel skid Rail tilt Confirm rail slope is within 1 ° Improper rail settings Set up orbit correctly Apply oil above orbit Ensure wheel is clean and No drive due to wheel skid wheel tread.
  • Page 49: Wiring Diagram

    Wiring Diagram CONVENTIONAL HOIST WIRING DIAGRAM (PWJTHF - PWJTHT) V.07.22 [LA]...
  • Page 50 Wiring Diagram V.07.22 [LA]...
  • Page 51 Cl. 163a #20-28, Bogotá, Colombia United States +57 1 7034035 +1 (800) 971-8061 Proveedora Industrial y Tecnica, S.A. de C.V. Equipos de Izaje Prowinch Chile Spa www.prointe.com.sv Av. Alberto Masferrer Sur, Col. Campestre No. 211 www.prowinch.cl San Salvador, El Salvador...

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