Yale LH2 Operating, Maintenance & Parts Manual
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Yale LH2 Operating, Maintenance & Parts Manual

Yale LH2 Operating, Maintenance & Parts Manual

Hand hoist and low headroom trolley hoist
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OPERATING,
MAINTENANCE &
PARTS MANUAL
HAND OPERATED
CHAIN HOIST
Y Y a a l l e e
LH2 HAND HOIST
AND LOW HEADROOM
TROLLEY HOIST
Rated Loads:
Hand Hoists ⁄ through 10 tons.
Low Headroom Trolley Hoists fi through 6 tons.
Follow all instructions and warnings for
inspecting, maintaining and operating this
hoist.
The use of any hoist presents some risk of per-
sonal injury or property damage. That risk is
greatly increased if proper instructions and
warnings are not followed. Before using this
hoist, each operator should become thoroughly
familiar with all warnings, instructions and
recommendations in this manual. Retain this
manual for future reference and use.
Forward this manual to operator.
Failure to operate equipment as directed in
manual may cause injury.
46221
For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com
®
414 WEST BROADWAY AVE.
MUSKEGON, MICHIGAN 49443
Before installing hoist, fill in the information below.
Rated Load
Serial no.
Purchase date
Manual No. Y646

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Summary of Contents for Yale LH2

  • Page 1 MAINTENANCE & PARTS MANUAL HAND OPERATED CHAIN HOIST Y Y a a l l e e ® LH2 HAND HOIST AND LOW HEADROOM TROLLEY HOIST Rated Loads: Hand Hoists ⁄ through 10 tons. Low Headroom Trolley Hoists fi through 6 tons.
  • Page 2 YALE HOIST PARTS AND SERVICES ARE AVAILABLE IN THE UNITED STATES. As a Yale Hoist and Trolley user, you are assured of reliable repair and parts services through a network of Authorized Parts Depots that are strategically located in the United States. These facilities have been selected on the basis of their demonstrated ability to handle all parts and repair requirements promptly and efficiently.

  • Page 3: Safety Precautions

    EQUIPMENT BEFORE ATTEMPTING TO OPERATE YOUR YALE HOIST. Consult Yale for any usage of Yale Hoists that do not involve raising of the load on the lower hook, or usage of Yale Hoists in the inverted position. Using hoists, without special precautions, in such applications may cause an accident that could result in injury and/or property damage.
  • Page 4 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...

  • Page 5: General Information

    The basic hoist is similar to the Yale LH2 Hand at minimum weight. The internal gears are made Hoist except the frame, aluminum on the 1/2 through of high grade, heat treated steel.

  • Page 6: Operation And Installation

    HOOKS With Plain Trolley Type of hooks supplied on the Yale Hoists are shown in Figure 3. YALE REPAIR/REPLACEMENT POLICY All Yale LH2 Hand Hoists and Low Headroom Trolley Hoists are thoroughly inspected and performance tested prior to shipment. If any properly maintained...

  • Page 7: Trolley Installation

    Also, the use WARNING of other than Yale supplied washers may result in trackwheel to beam flange variations and thus Figure 5 will not apply. An excessively worn beam flange may fail and allow the trolley hoist to fall from the beam.
  • Page 8 The Yale LH2 Hand Hoist (see Figure 6) must always Do not leave the load suspended in the air unattended. be rigged to lift in a straight line from hook to hook.

  • Page 9: Type Of Service

    Minimum Inspection Schedule Frequent Inspections: These inspections are be kept to provide the basis for continuing evalua- visual examinations by the operator or other des- tion of the condition of the hoist. ignated personnel. Records of such inspections are Periodic inspections are to be performed yearly for not required.

  • Page 10: Hook Inspection

    Chain should be clean, free of twists and pulled taut before measuring. To aid in checking gage length, Yale can provide a chain gage. This can be obtained by ordering chain gage part number 3191. WARNING Worn load chain may break suddenly without visual deformation.

  • Page 11: Hand Chain

    Co.) on load limiter handwheel threads. Do not allow The lubricants used in and recommended for the lubricant to contact brake surfaces or friction surfaces Yale LH2 Hand and Trolley Hoists may contain haz- of load limiter. ardous materials that mandate specific handling and disposal procedures.
  • Page 12 WARNING Using other than the Yale supplied, high strength pins may cause the pin to break and allow the hoist and/or load to fall. To Avoid Injury: Use only the special high strength pin as supplied by Yale.
  • Page 13 Bearing Retainer Screws. Whenever the bearing Components must be assembled in the order shown with the friction washers seated on the retainer screws have been removed and replaced, handwheel projections. Handwheel, spring wash- they must be locked in place by prick punching the er, lockwasher and nut must face as shown.
  • Page 14 Hooks. Both upper and lower hooks must be free to swivel. Those that are held by nuts must be adjusted to provide 1/32” clearance as shown in Figure 15 before the hook nut pin is inserted. FIGURE 15. Hook Mounting Lower Hook Thrust Bearings.
  • Page 15 Loose End of Chain Dead End Pin Hand Chain omitted for clarity FIGURE 17. Reeving 1fi-10 Ton Hoists 3-4 Ton Hoists FIGURE 18. Reeving 3-4 Ton Hoists Load chain must have an even number of links. 5-6 Ton Hoists Check at each stage of assembly to be sure chain has no twist.
  • Page 16 Reeve load end of chain as shown in Figure 20 in the Place end of chain in slot in top of hook block and secure in place with hook block screw, lock- following sequence. washer and nut. The first link around the hook 1.
  • Page 17 (2) Use a 7 inch minimum diameter by 1/8 thick abrasive wheel (of type recommended by wheel supplier) that will clear adjacent links. Yale (3) Chain may also be cut using a bolt cutter (see Figure 23) similar to the H.K. Porter No. 0590MTC with special cutter jaws for cutting hardened chain (1 inch long cutting edge).

  • Page 18: Troubleshooting

    TROUBLESHOOTING For disassembly and assembly follow instructions on pages 8 through 13. Always test the Yale LH2 Hoists under load after reassembly of any parts to be sure it operates properly and holds the load when the hand chain is released.

  • Page 19: Parts List

    WARNING Using “Commercial” or other manufacturer’s parts to repair the Yale LH2 Hand and Low Headroom Trolley Hoists may cause load loss. To Avoid Injury: I.D. Label Order all replacement parts from Yale.
  • Page 20 YALE LH2 HAND HOIST PARTS LIST Capacity - Ton 1/4 & 1/2 1-1/2 & 2 3 & 4 5 & 6 8 & 10 Part Name Req’d Part Number Frame with Upper Hook (includes Items 646-1A 646-1 thru 646-1F and 646-15) - Not Shown...
  • Page 21 YALE LH2 HAND HOIST PARTS LIST Capacity - Ton 1/4 & 1/2 1-1/2 & 2 3 & 4 5 & 6 8 & 10 Part Name Req’d Part Number Upper Hook (Includes Latch) Latch Type 646-101B 45604Y Upper Hook-Latchlok Type...
  • Page 22 Lubricants packaged quantity required. Gears 28610 (1#can) Grease Touch-up Paints for Yale LH2 Hand and Low Headroom Trolley Hoists: 28632 (4#can) Hoist. Order *(1) case (12-12 oz. Aerosol Cans) of Yellow Touch-up paint Part Number 40215. Handwheel 46698 (16 oz.) Spray Trolley.

  • Page 23: Recommended Spare Parts

    RECOMMENDED SPARE PARTS To insure continued service of the Yale LH2 Hand and Low Headroom Trolley Hoist, the following is a list of the parts that are recommended to be kept on hand at all times to replace parts that are worn.
  • Page 24 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 25 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 26 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 27 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 28 For more information contact: Sievert Crane and Hoist, (708) 771-1600, parts@sievertelectric.com, www.sievertcrane.com...
  • Page 29 YALE LOW HEADROOM TROLLEY HOIST PARTS LIST Capacity - Ton 1/2 & 1 1-1/2, 2 & 3 4, 5 & 6 Req’d. Part Name Part Number 648-1 Main Frame 48001Y 648-2A Load Chain Guide 45047 (1/2 T.) 45048 (1T.) 648-2B...
  • Page 30 YALE LOW HEADROOM TROLLEY HOIST PARTS LIST Capacity - Tons 1/2 & 1 1-1/2, 2 & 3 4, 5 & 6 Req’d. Part Name Part Number 648-123A Spider Bearing Retainer 45752 648-123B Spider Bearing Retainer Screw 987716 648-124A Gear Cover...
  • Page 31 Note: When ordering parts, always furnish hoist model and serial number, motor horsepower, voltage, phase, frequency and rated capacity of hoist on which the parts are to be used. For the location of the nearest Authorized Repair Station, Contact Yale, (see inside front cover). LIMITATION OF WARRANTIES, REMEDIES AND DAMAGES...

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