Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Yale HOISTS Manuals
  4. Chain Hoists
  5. LEW-1 Series
  6. Operating & maintenance instructions with parts list

Yale HOISTS LEW-1 Series Operating & Maintenance Instructions With Parts List

Hide thumbs

Advertisement

Quick Links

Download this manual
OPERATING &
MAINTENANCE
INSTRUCTIONS
WITH PARTS LIST
Publication Part No. LEW-1-680-1
Published August 2005
LEW-1 Series
Electric Wire Rope
Hoists and Trolleys
For LEW Models:
1 h.p. and under
IMPORTANT - CAUTION
To safeguard against the possibility of personal injury or property damage, follow the recommendations and instructions
of this manual. This manual contains important information for the correct installation, operation and maintenance of this
equipment. All persons involved in the installation, operation and maintenance of this equipment should be thoroughly
familiar with the contents of this manual. Keep this manual for reference and further use.
WARNING
To prevent personal injury, do not use the equipment shown in this manual to lift, support or otherwise transport people,
or to suspend unattended loads over people.
For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com

Advertisement

loading
Need help?

Need help?

Do you have a question about the LEW-1 Series and is the answer not in the manual?

Questions and answers

Related Manuals for Yale HOISTS LEW-1 Series

Summary of Contents for Yale HOISTS LEW-1 Series

  • Page 1 OPERATING & MAINTENANCE INSTRUCTIONS WITH PARTS LIST Publication Part No. LEW-1-680-1 Published August 2005 LEW-1 Series Electric Wire Rope Hoists and Trolleys For LEW Models: 1 h.p. and under IMPORTANT - CAUTION To safeguard against the possibility of personal injury or property damage, follow the recommendations and instructions of this manual.
  • Page 2 This manual provides information for the safe operation and This hoist has a steel drum and center frame for strength in maintenance of Yale LEW-1 Series Hoists. All persons operating the load-bearing areas. Strong, lightweight aluminum alloy or maintaining these hoists should be familiar with the castings provide a compact, protective enclosure for the information contained herein.
  • Page 3 SECTION I - INTRODUCTION Table 1-1. Basic Hoist Data only to the extent that they are warranted by the manufacturer. EXCEPT AS STATED HEREIN, YALE MAKES NO OTHER Rated Lift Speed WARRANTIES, EXPRESS OR IMPLIED, INCLUDING Model Load At Rated Load Motor WARRANTIES OF MERCHANTABILITY AND FITNESS FOR Number...
  • Page 4 SECTION I - INTRODUCTION c. National Electrical Code (ANSI Cl) and local electrical codes 2. If brake operation is normal with a light load, repeat the should be consulted and proper disconnects, branch circuit above procedure with approximately one-half rated load, protectors, and wiring provided.
  • Page 5 WR-1 Hoists on Coffing Trolleys Four-Wheel Trolley on 3" Suspension Yoke (Applies to hoists with a single trolley) 14016 Figure 2-1 Table 2-1. Trolley I-Beam Adjustment Data Point A Point B Washer Between Washers Between I-Beam* Actual Spacing Point C Susp.
  • Page 6 Four-Wheel Trolley on 3 " Suspension Adapter (Applies to hoists with a dual trolley) 14017 Figure 2-2 Table 2-2. Trolley I-Beam Adjustment Data Point A Point B Washer Between Washers Between I-Beam* Actual Spacing Point C Susp. Yoke & Sleeve Sideplate &...
  • Page 7 Two-Wheel Trolley on 3 " Suspension Adapter (Applies to hoists with dual trolleys) 14018 Figure 2-3 Table 2-3. Trolley I-Beam Adjustment Data Point A Point B Washer Between Washers Between I-Beam* Actual Spacing Point C Susp. Yoke & Sleeve Sideplate & Nut Size &...
  • Page 8 SECTION III - OPERATION 3-1. General b. The wire rope should not be wrapped around the load. Use proper slings. This section presents information concerning the proper operation on the Yale Electric Wire Rope Hoist. It is not intended c. Be sure the wire rope is properly seated in the drum groove to serve as a handbook on rigging.
  • Page 9 SECTION IV - INSPECTION 4-3. Periodic Inspection 4-1. General The exact period for the following inspections will depend on A scheduled inspection routine should be established for this the anticipated severity of hoist use. Determination of this period hoist based upon severity of use and environmental conditions. should be based on the user's experience.
  • Page 10 INSPECTION & MAINTENANCE CHECK LIST ELECTRIC POWERED OVERHEAD WIRE ROPE HOIST TYPE OF HOIST CAPACITY (TONS) LOCATION ORIGINAL INSTALLATION DATE MANUFACTURER MANUFACTURER'S SERIAL NUMBER Frequency of Inspection Frequent Periodic Action Item Daily Monthly 1-12 Mo. Possible Deficiencies Required · · ·...
  • Page 11 INSPECTOR’S REPORT Item Remarks (List Deficiencies and Recommended Action) Inspector’s Date Signature Inspected Approved By Date Figure 4-2 Recommended Inspector's Report 4-3. Load Brake Function Check To check the functioning of the mechanical load brake, proceed as follows: a. Attach a light load to the hoist and lift it several inches. b.
  • Page 12 4-5. Wire Rope Inspection by inspection. Safety of rope operation depends upon this remaining strength. Conditions such as the following should a. Make a thorough inspection or the wire rope at least once be sufficient reason for questioning rope safety and each month and keep a written, dated and signed report of consideration of replacement.
  • Page 13 SECTION V - MAINTENANCE AND REPAIR 5-1. General b. Adjusting Lower Limit (Zinc Nut) This section provides instructions for the most common routine 1) Carefully lower the load block to a point where at least 2 maintenance and adjustments. Major repairs are not within the wraps of wire rope remain on the drum.
  • Page 14 5-4. Wire Rope Replacement 10) Place paper on floor to protect the new wire rope from dirt and grit. Stretch the new rope out on the paper with For hoists reeved Two Part Single, see paragraph 5-4a. For the sleeve fitting end toward the hoist. Relieve any twist hoists reeved Two Part Double see paragraph 5-4b.
  • Page 15 13) Push the "UP" button until a few wraps of rope are wound onto the drum. Apply slight tension to the ropes with gloved hands to wind the rope evenly on the drum. 14) Place the looped end over the equalizer sheave and return the sheave to its frame.
  • Page 16 c. Limit Switch Shaft: To prevent rust, the threaded limit switch WARNING shaft should be given a light coat of grease or sprayed with a general purpose lubricant. The use of gear oils other than that recommended in Table 5-1 can cause brake chatter or can render d.
  • Page 17 SECTION VI - TROUBLESHOOTING 6-1. General your repair work, we recommend that you send your hoist to Use the following table as an aid to troubleshoot your hoist. If an approved service center for repairs. you do not have an experienced machinist-electrician to do REMEDY TROUBLE Hook Fails to Stop at End of Travel...
  • Page 18 TROUBLE REMEDY Hook Raises But Will Not Lower When Motor is Operating. Consult Factory Or Authorized Duff-Norton Warranty Repair Station. Hook Lowers But Will Not Raise 1. Hoist overloaded. 1. Reduce load to within rated capacity. 2. Low voltage. 2. Determine cause of low voltage and bring up to at least 90% of the voltage specified on hoist.
  • Page 19 SECTION VII - WIRING SAFETY NOTES CAUTION Disconnect power from hoist before removing end covers. Do not move any wires or make any changes to the wiring except at the terminal block. 7-1. Voltage Conversion Standard single phase units are convertible from 115 to 230 volts and standard single speed three phase units are d.
  • Page 20 Figure 7-2. Wiring Diagram 230/460V, 3 Phase, Single Speed Hoist Page 20 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 21 Figure 7-3. Wiring Diagram 208V or 575V, 3 Phase, Single Speed Hoist Page 21 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 22 Figure 7-4. Wiring Diagram 208V, 230V, 460V or 575V, 3 Phase, Two Speed Hoist Page 22 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 23 Figure 7-5. Wiring Diagram 115/230V, 1 Phase, Single Speed Hoist & Single Speed Trolley Page 23 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 24 Figure 7-6. Wiring Diagram 208V, 230/460V or 575V, 3 Phase, Single Speed Hoist & Single Speed Trolley Page 24 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 25 Figure 7-7. Wiring Diagram 208V, 230V, 460V or 575V, 3 Phase, Two Speed Hoist & Single Speed Trolley Page 25 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 26 Figure 7-8. Wiring Diagram 208V, 230V, 460V or 575V, 3 Phase, Single Speed Hoist & Two Speed Trolley Page 26 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 27 Figure 7-9. Wiring Diagram 208V, 230V, 460V or 575V, 3 Phase, Two Speed Hoist & Two Speed Trolley Page 27 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 28 SECTION VIII - ILLUSTRATED PARTS LIST EXAMPLE 8-1. General The following exploded drawings provide a complete list of Index Part Part parts used in the standard LEW-1 hoist models (shown in Name Table 1-1, page 3). Since several different models of hoists are Transformer: (1PH) covered by this manual, differences may be noted between the Pri.
  • Page 29 14005 Figure 8-1. Basic Hoist Index Part Part Index Part Part Name Name Brake Cover 36J1 Gasket, Transmission 560J5 Electrical Cover 36J2 Decal 676J2-B Gasket Cover 560J4 Decal, Power Requirements: Motor Adapter: 115/230 Volt, 1 Phase 679J1 LEW-1/2-15LG10S2, D2 & P2 39J3-1 230/460 Volt, 3 Phase 679J2...
  • Page 30 14006 Figure 8-2A. Hoist Motor Parts (3 Phase) Index Part Part Index Part Part Name Name Motor, Complete (1/2 HP): Motor, Complete (3/4 HP): LEW1/2-15**10S2, D2 & P2 LEW 1/2-15**21S2, D2 & P2 LEW 1/2-15**1652, D2 & P2 LEW 1-15**10S2, D2 & P2 Single Speed - 230/460V 8637202 Single Speed 230/460V...
  • Page 31 14007 Figure 8-2B. Hoist Motor Parts (1 Phase) ® Parts List for Single Phase Hoist Motor (SINPAC Switch) Index Part Part Index Part Part Name Name Motor, Complete: Stator - Not available separately. 1/2 HP, 115/230 Volt 861J222 Thru Bolt - Contact Factory with 1 HP, 115/230 Volt 861J124...
  • Page 32 14008 Figure 8-3A. Controller Area Single Phase Hoist (Only) Index Part Part Index Part Part Name Name Screw H-2752 Insulator JF-759-3 Terminal Block 909K6 Reversing Contactor 24V Coils JF-829-1 Capacitor, 216-259 mfd. Reversing Contactor 115V Coils JF-829 (1-13/16 Dia.) JL-810-3 Coil (24V) JF-37916-25 Capacitor, 400-480 mfd.
  • Page 33 14009 Figure 8-3B. Controller Area Three Phase Hoist (Only) Single or Two Speed Models Index Part Part Index Part Part Name Name Transformer: (Two Speed) Insulator JF-759-3 (cont.) Pri.: 460V, Sec.: 24V JL-821-232 Reversing Contactor 24V Coils JF-829-1 Pri.: 460V, Sec.: 115V JL-821-231 Reversing Contactor 115V Coils JF-829...
  • Page 34 14010 Figure 8-3C. Controller Area Single Speed Hoist with Single Speed Trolley (Single or Three Phase) Index Part Part Index Part Part Name Name Panel Plate 257J1B Screw H-2742-P Reversing Contactor 24V Coils JF-829-1 Lockwasher H-4158 Reversing Contactor 115V Coils JF-829 Single Phase Only Coil (24V)
  • Page 35 Page 35 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 36 Figure 8-4. Hoist Transmission Index Part Part Index Part Part Name Name Transmission Cover 34J16 Intermediate Pinion: Seal 561K2 LEW1/2-15**16S2, D2 & P2 402J2 Seal MA-562 LEW1-15**16S2, D2 & P2 402J2 Output Pinion 404J1 LEW1/2-15**10S2, D2 & P2 402J1 Output Gear Assembly 407JG26 LEW1-15**10S2, D2 &...
  • Page 37 14012 Figure 8-5A. Drum Area, Standard Headroom Models 2 Part Single, Parallel Mount Page 37 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 38 Index Part Part Index Part Part Name Name Motor Adapter: Driv-Lok Pin H-5230-5 1/2 HP 39J3-1 Screw, Button Head H-2999-22 1 HP 39J3 Screw, Hex Head S44-21 3/4 HP Single Speed 3 Phase 39J3-1 Lock Washer H-4066-P 3/4 HP Two Speed 3 Phase 39J3 Spring Pin S-50-43...
  • Page 39 Page 39 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 40 Index Part Part Index Part Part Name Name Motor Adapter: Tube Assembly: 1/2 HP 39J3-6 15 ft. Lift 200JG33-1A 1 HP 39J3-2 30 ft. Lift 200JG33-2A 3/4 HP Single Speed 3 Phase 39J3-6 Coupling Guard: 3/4 HP Two Speed 3 Phase 39J3-2 15 ft.
  • Page 41 14053 Figure 8-5C. Drum Area, True Vertical Lift Models 2 Part Double, Parallel Mount Index Part Part Index Part Part Name Name Motor Adaptor: Screw S-44-21 1/2 HP Single Speed 3 Phase 39J3-1 Lock Washer H-4066-P 1 HP Single Speed 3 Phase 39J3 Screw S-49-19...
  • Page 42 14013 Figure 8-6A. Limit Switch Parts (All Lifts Except 65 Ft.) Index Part Part Index Part Part Name Name Limit Switch & Shaft Assembly 918JG7 H-3944 Limit Switch Shaft JF-117-3 (Consists of Index Nos. 4 thru 12) Limit Switch Bracket Assembly JF-900-3 Limit Switch Nut (Brass) SK6000-63W...
  • Page 43 14037 Figure 8-7. Motor Brake Parts Index Part Part Index Part Part Name Name Disc Brake Assembly: Plate & Armature Assembly 858JG1 Plate & Stud Assembly 859JG1 LEW-½-15**10S2, D2 & P2 (½ HP) Brake Plate 291J1 LEW-½-15**16S2, D2 & P2 (½ HP) Spring 344J6 Single Speed...
  • Page 44 14038 Figure 8-8A. Pushbutton (Single Speed Hoists) Index Part Part Index Part Part Name Name Pushbutton and Cable PB-299-11 B Cover PB-298 Assembly: (Consists of PB-299-21 B Pushbutton PB-284-2 Index Nos. 2 thru 25) PBS-299-26B Interlock PB-285 PB Drop Length: PB-299-31B Boot PB-286...
  • Page 45 Page 45 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 46 Index Part Part Index Part Part Name Name Pushbutton and Cable Pushbutton PB-284-22 Assembly: (Consists of Interlock PB-285-1 Index Nos. 2 thru 31) Boot PB-286 PB Drop In Feet: Spring, Compression PB-287 11 Ft. 534JG4-11 Spring, Conical PB-288 21 Ft. 534JG4-21 Contact Plate PB-289...
  • Page 47 14040 Figure 8-8C. Pushbutton (Single Speed Hoist - Single Speed Trolley) Page 47 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 48 Index Part Part Index Part Part Name Name Pushbutton and Cable PB-300-11A Pushbutton (Hoist) PB-284-2 Assembly: (Consists of PB-300-21A Interlock PB-285 Index Nos. 2 thru 27) PBS-300-26A Boot PB-286 PB Drop In Feet: PB-300-31A Spring, Compression PB-287 11 Ft. PBS-300-46A Spring, Conical PB-288 21 Ft.
  • Page 49 Page 49 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 50 Figure 8-8D. Pushbutton (Two Speed Hoist, Single Speed Trolley; Single Speed Hoist, Two Speed Trolley) Index Part Part Index Part Part Name Name Pushbutton and Cable Enclosure PB-282-4 Assembly: (Consists of Cover PB-283 Index Nos. 2 thru 34) Pushbutton (Hoist) PB-284-22 Two Speed Hoist, Interlock (Black)
  • Page 51 Page 51 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 52 Index Part Part Index Part Part Name Name Pushbutton and Cable Interlock (Black) PB-285-1 Assembly: (Consists of Boot PB-286 Index Nos. 2 thru 33) Spring, Compression PB-287 PB Drop In Feet: Spring, Conical PB-288 11 Ft. 534JG7-11 Contact Plate, Common PB-290 21 Ft.
  • Page 53 14043 Figure 8-9A. Bottom Block, Standard Headroom Models Index Part Part Index Part Part Name Name Bottom Block Assembly, Complete 30KG28 Thrust Washer CB-255 (Consists of Index 100K2 Allen head Screw S-49-19 Nos. 2 thru 11) Lock Washer H-4139 Bottom Block Shaft Hook Assembly with Latch 3JG20S Spring Pin...
  • Page 54 14044 Figure 8-9B. Bottom Block, Low Headroom & True Vertical Lift Models Index Part Part Index Part Part Name Name Bottom Block Assembly, Complete 914JG27 Slotted Nut H-3986-P (Consists of Index Driv-Lok Pin (3/16 x 7/8) H-5159 Nos. 2 thru 12) Cover 30J24 Sheave...
  • Page 55 14045 Figure 8-10A. Motorized Trolley (Single Speed Hoist, Single Speed Trolley) Index Part Part Index Part Part Name Name Pin, Load 103K1 Insulator, Splice Cap H-7520 Washer (1/8 thick) H-4211 Nut, Elastic Stop H-3945 Washer (10 gal.) H-4209 Wheel: Washer (14 gal.) H-4210 Plain 45K10...
  • Page 56 14046 Figure 8-11. Trolley Transmission Index Part Part Index Part Part Name Name Retaining Ring SK2658-6W Splice Plate 295K1 Retaining Ring H-5549 Screw H-1009-P Bearing JF-504-2 Shaft 100K12 Worm: Woodruff Key S-23-15 35 FPM 485K21 Retaining Ring H-5527 75 FPM 485K22 Worm Gear: Bearing...
  • Page 57 14047 Figure 8-12A. Trolley Motor Parts (3 Phase, Single and Two Speeds) Index Part Part Index Part Part Name Name Motor Complete: JL-863-1M Stator (Not Available Separately) Single Speed Rotor & Shaft 208, 230/460V, 3-PH, End Shield 60 Hz, 1/4 HP Bearing 575V, 3-PH, 60Hz, 1/4 HP JL-863-5M...
  • Page 58 14048 Figure 8-12B. Trolley Motor Parts (1 Phase, Single Speed) Index Part Part Index Part Part Name Name Motor, Complete: JL-861-12 Capacitor Cover 1/2 HP, 115/230V, 60 Hz Screw Motor, Complete: JL-861-11M Rear Bearing 732012 HP, 115/230V, 60 Hz Nut Flange Stator- Screw (Not Available Separately)
  • Page 59 14049 Figure 8-13A. Trolley Controls (Single Speed or Two Speed Trolleys) Index Part Part Index Part Part Name Name Screw H-2742-P Transformer: (Two Speed) Contactor (24V Coils) JF-829-1 (cont.) Pri.: 230 or 460V, Sec.: 24V JL-821-432 Contactor (115V Coils) JF-829 Pri.: 230 or 460V, Sec.: 115V JL-821-431 Coil (24V)
  • Page 60 14050 Figure 8-14. Two-Wheel Trolley Index Part Part Name Side Plate 5K56 Load Pin 103K1 Washer (1/8 thick) H-4211 Washer (10 ga.) H-4209 Washer (14 ga.) H-4210 H-3945 Suspension Box 50J33 (Ref. See Figure 8-5) Axle 102K1 Spacer 200K1 Retaining Ring H-5528 Bearing 500K4...
  • Page 61 14051 Figure 8-15. Geared Trolley Index Part Part Name Ring, Retaining H-5501 Pinion 420K1 Spacer Bearing 525K2 Gear Shaft 100K14 Sleeve & Adapter Assembly 51KG1 Spacer Bearing 525K1 Hand-Chain Wheel 33K23 Hand-Chain (Specify Length) Retaining Ring H-5527 Sleeve Bushing 530K6 Page 61 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 62 14052 Figure 8-16. Current Collector Group Index Part Part Name Swivel Collector Assembly: Insul-8 Type 804K1 Brace Plate 802K12 Plate, Mounting 802K1 Arm, Mounting (20" long) 803KG8 Shackle, Mounting 806K1 Lock Washer H-3561-P Nut H-3561 Collector Arm Kit CCK2 Includes Index No's 2 thru 7 Page 62 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 63 Notes For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 64 Note: When ordering parts always furnish Model and Catalog Number of Hoist and lift of hoist on which the parts are to be used. Parts for your hoist are available from your local authorized Yale repair station. For the location of your nearest repair station, write: IN USA YaleŸLift-Tech P.O.