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Version 1.0

27

Operation

27

4. OPERATION

4.2 Handling Precautions

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. The operation of this equipment must be closely carried out under 

the good practices defined by international and national safety standards, such as ANSI, OSHAS and ASME.

Training must be provided to the operator to ensure proper operation of equipment in compliance with the instructions 

provided by this equipment manufacturer and the provisions of ASME B30. Equipment operation must be conducted under 

the good practices defined by the applicable international and national safety standards, such as ANSI, OSHA, and ASME.

This hoist must not be operated by individuals who:

Cannot read, understand or speak language of security labels, ID Plate and User Manual of

equipment.

Does not meet legal age requirements.

Has visual or hearing impairments

Experiences mental, heart, or other health issues that could interfere with safe operation of

equipment.

Has not been fully trained on the use of hoist.

Has not received and read User Manual for exact equipment.

Has not demonstrated qualifications through a practical operation of hoist

ALWAYS:

Keep hoist in good condition and make sure chain is lubricated and free to operate.

Make sure electrical connection is grounded.

Make smooth movements; avoid sudden changes of direction.

Check the function of the hoist and trolley without a load before operation.

De-energize equipment after using it to avoid unintentional operation.

Keep everyone a distance of at least 1.5 times the length of chain. If load falls it can cause serious injuries and death.

Make sure no one is beneath the load.

NEVER:

Use pulleys or other accessories that are not specifically approved for the relevant hoist model.

Hoist load with the tip of the hook.

Hoist a load which is not vertical to the hook.

Use the hoist to pull or drag the load.

Exceed the maximum capacity of hoist.

V.07.22 [LA]

Summary of Contents for PWJTHF

Page 1: ...Reg U S TM Off User s Manual Manual de usuario Safety Warnings Advertencias de seguridad PWJTHF PWJTHT Single phase models...

Page 2: ...This page intentionally left blank...

Page 3: ...formation about the application use and requirements provided by the client It is not the responsibility of Prowinch LLC to verify the accuracy of the given information It is the sole and exclusive re...

Page 4: ...all be determined by tests with an empty hook traveling at increasing speeds up to the maximum speed The actuating mechanism of the limit switch must be located so that it will trip the switch under a...

Page 5: ...PONSIBILITY to consider all risk factors and follow all the equipment related ASME B30 standard which comprises the following volumes B30 1 Jacks Industrial Rollers Air Casters and Hydraulic Gantries...

Page 6: ...O NOT Operate the hoist unless the hook travel limit devices function properly Test without a load PRE SHIFT 11 DO NOT Operate the hoist with twisted kinked damaged dirty or unlubricated chain or rope...

Page 7: ...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 OIL LEAKAGE Che...

Page 8: ...nections 24 Install Trolley models with trolley 26 Adjust Trolley Width models with trolley 26 Install Trolley into Beam models with trolley 26 Supply Voltage 26 Operation 27 Qualified Operator 27 Han...

Page 9: ...46 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 di...

Page 10: ...ed 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 Read and understand t...

Page 11: ...hoist before operating equipment Wear appropriate clothing Do not wear jewelry or loose clothes as they may attach to chain or hook Wear leather gloves Wear non slip safety shoes helmet and eye protec...

Page 12: ...or extend the chain Never use the load chain or hook as an electrical or welding ground Never remove the labels placed on the electric chain hoist Never use the hoist to lift the load at an angle nor...

Page 13: ...t others from doing so 8 Always verify the correct hoist installation before use 6 Do not use the hoist if exposed to rain snow or lightning 2 Check the proper crimp of the electrical connections 3 Pe...

Page 14: ...which the hoist is designed This range is indicated in this manual and may vary depending on the model Exposure to water sand a corrosive environment or other potentially harmful elements may damage...

Page 15: ...he 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 Item Specs Operating tem...

Page 16: ...7 5 12 5 75 15 100 H3 General machine shop fabricating assembly storage and warehousing Loads and utilization are randomly distributed Total running time is at most 25 of the work period 15 25 150 30...

Page 17: ...mit 1 3 H4 H5 Specifications Model PWJTHF300 PWJTHF500 PWJTHF800 Capacity lb 300 500 800 Lifting Speed ft min 14 7 7 Motor Power W 160 160 200 Insulation Grade IP55 Power Supply 120VAC Control Voltage...

Page 18: ...Chain 5x15 5x15 5x15 Net Weight lb 28 40 40 Basic Dimensions in H 5 4 5 4 5 7 A 15 16 16 7 B 14 14 14 0 D 4 3 4 3 4 3 E 2 8 2 8 2 8 Model Dimension in A B C D E F G H L K M N PWJTHF300 14 5 14 1 6 4 3...

Page 19: ...Version 1 0 19 Specifications 19 V 07 22 LA...

Page 20: ...Version 1 0 Specifications 20 20 V 07 22 LA...

Page 21: ...per year for normal usage more frequently for heavier use or severe conditions WARNING PWWA001 V1 0 Failure to keep the load chain clean and well lubricated will void the warranty Lubricate the load...

Page 22: ...ue Do not use conductors smaller than those listed in this User Manual to supply power to hoist Never bypass limit switches remove limit switch stops or alter limit switch devices Hoist should be care...

Page 23: ...on 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...

Page 24: ...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 Op...

Page 25: ...sting 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...

Page 26: ...bit wheel onto surface of beam d Unload brake stopper from hole B and insert into hole A Do not forget to bend cotter pin 3 7 Supply Voltage Check supply voltage everyday before use If voltage varies...

Page 27: ...read understand or speak language of security labels ID Plate and User Manual of equipment Does not meet legal age requirements Has visual or hearing impairments Experiences mental heart or other hea...

Page 28: ...any other button is pressed The hoist should not start again 4 Rotate the emergency stop switch clockwise to its original position When it bounces back the hoist may be restarted If any of the above...

Page 29: ...er 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 withou...

Page 30: ...Version 1 0 Parts 30 30 1 H3 EXPLODED VIEW AND PARTS LIST 1 1 Motor and body assembly drawing V 07 22 LA...

Page 31: ...anging Bracket 52 Intermediate gear B 16 Lock Plate screw 53 Intermediate gear A 17 Chaing guide 54 High gear B 18 Load Chain Wheel 55 High gear A 19 Limit Stopper 56 Pinion shaft 20 Limit baffle 57 W...

Page 32: ...parts list No Part Name No 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 Whee...

Page 33: ...Version 1 0 33 Parts 33 1 4 Trolley assembly drawing V 07 22 LA...

Page 34: ...otherboard set 14 Rotor Shaft 46 Spring Washer 15 Bearing 47 Non metallic hexagonal lock nut 16 Motor base plate 48 Trolley axis adjustment ring 17 Gasket 49 Trolley board set 18 Limit switch gasket 5...

Page 35: ...d with cleaning repairing and replacing Record serial number for replacing Deformation or damage of body parts Visual check No remarkable deformation damage defect or chap Replace parts which are defo...

Page 36: ...check No deep cut No Deformation No deformation No Wind No Chap Replace load chains Confirm chain is not stuck to welding spatters by visually inspecting it Rust and corrosion Visual check No remarkab...

Page 37: ...ly when operation stops All movements shutdown when E stop button pushed Other buttons cannot cause movement when pushing the E stop button All movements return to normal operation when E STOP button...

Page 38: ...0 25 142 95 155 98 150 115 Deformation damage and corrosion Visual check No remarkable deformation harmful damage and corrosion Replace hook Hook safety block Visual inspection fold and unfold actions...

Page 39: ...only Unable to lift motor roar Default phase single phase operation Power Feed power Motor Contactor junction fusing Slow lifting Low voltage Feed power Unintended reaction from button Inverse reactio...

Page 40: ...nt not properly grounded Proper electric connec tion Does not operate in non load state Brake inaudible Supply power Supply power voltage Operating circuit break off electric parts overheating Cables...

Page 41: ...pposite Power line connection error Replace wires Wiring assembly error Connect wire as per wiring diagram Condition Reason Action Cause Correction No operation Coil burning above 2 phase Measure phas...

Page 42: ...erminal Replace insert terminal when loose Assembly error Proper connection in assembly Rust Replace brake if rust present Exposure to water in storage Ensure dry storage Condensation Monitor usage en...

Page 43: ...Reason Action Cause Correction Non stop activation Junction welding burn out Change contactor if continuous welding or burn out For electric reply visual inspection of junction Do not over operate Exc...

Page 44: ...is inversely connected Swap 2 wire power cords Wiring error Properly connect wire power cords as per wiring diagram Condition Reason Action Cause Correction No operation Contactor Emergency button is...

Page 45: ...open Hook deformation Replace hook if deformation is beyond permitted range Overload Operate under rated voltage Lifting hook connected with grounded object Do not lift grounded objects Load hanging...

Page 46: ...sive operation Overload Use under rated load Incline pull Ensure proper pull direction Wear of load pulley and empty pulley Refer to load pulley and empty pulley Extension of pitch Measure pitch and r...

Page 47: ...ation Avoid excessive operation Overload Use under rated load Incline pull Avoid incline pull Condition Reason Action Cause Correction Increased shaking Wear of chain guide and guide pulley Measure be...

Page 48: ...proper adjustment circle Confirm adjustment circle number and insert position Insufficient confirmation Install correctly Wear of wheel Confirm wear degrees Traveling surface has bump Confirm regularl...

Page 49: ...49 Wiring Diagram 49 7 CONVENTIONAL HOIST WIRING DIAGRAM PWJTHF PWJTHT V 07 22 LA...

Page 50: ...Wiring Diagram 50 50 V 07 22 LA...

Page 51: ...Mexico S A de C V Vicente Guerrero No 403 Col San Miguel Apodaca Nuevo Leon Mexico C P 66649 52 81 8244 1351 Prowinch Colombia SAS www prowinch co Cl 163a 20 28 Bogot Colombia 57 1 7034035 Proveedora...

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