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LMSC.qxd
Authorized Sales & Service - McLaughlin Hoist & Crane - For Parts or Serivce Call (636) 343-9700
McLaughlin Hoist & Crane
7/11/2002
4:19 PM
Page i
LMSC Series
Operating, Maintenance &
Parts Manual
3/4 to 6 Ton
Model Numbers
LMSC1500
LMSC3000
LMSC6000
LMSC12000
F
ollow all instructions and
warnings for inspecting, maintaining
and operating this hoist.
The use of any hoist presents some risk of
personal 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 the hoist operator.
Failure to operate the equipment as directed
in the manual may cause injury.
Should you have any questions regarding this
product, please call Little Mule at
(800) 477-5003.
Before using the hoist, fill in the information
below:
Model No.
Serial No.
Purchase Date
(636) 343-9700
LMSC680
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Summary of Contents for little mule LMSC Series
- Page 1 Forward this manual to the hoist operator. Failure to operate the equipment as directed in the manual may cause injury. Should you have any questions regarding this product, please call Little Mule at (800) 477-5003. Before using the hoist, fill in the information below: Model No.
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Page 2: Safety Precautions
Page 1 SAFETY PRECAUTIONS Each Little Mule LMSC Manually Operated Lever Chain Hoist is built in accordance with the specifications contained herein and at the time of manufacture complies with our interpretation of applicable sections of *American Society of Mechanical Engineers Code (ASME) B30.21 and the *American National Standards Institute ANSI/ASME HST-3M. -
Page 3: Table Of Contents
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:19 PM Page 2 SAFETY PRECAUTIONS (Continued) Improper operation of a hoist can create a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. To avoid such a potentially hazardous situation, the operator shall: 1. -
Page 4: Hoist Specifications
Page 3 HOIST SPECIFICATIONS Little Mule Lever Hoists are made of the best selected materials to provide long dependable service for users. Little Mule Lever Hoists are manufactured and processed through up to date streamlined production facilities by skilled engineers under strict quality control. All lever hoists are tested per ASME B30.21 before leaving our factory. -
Page 5: Safety Information
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:20 PM Page 4 SAFETY INFORMATION 1. Keep the load within the rated capacity marked on the hoist’s lever. An excess load may lead to an accident. The lever hoist is overloaded when the handle effort indicated in the standard specifications is exceeded (See Table 1). -
Page 6: Operation
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:20 PM Page 5 9. Do not throw or drop the lever hoist from high places; do not drag the lever hoist in transportation. Doing so may cause damage that may lead to an accident. 10. -
Page 7: Maintenance
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:20 PM Page 6 Photo 1 - Slack Chain Take-Up MAINTENANCE The lever hoist is designed and made to withstand heavy-duty materials handling operations, but wear and damage are unavoidable after a long period of use and depending on the place and method of use. -
Page 8: Optional Overload Protection
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:20 PM Page 7 Hoist “C” Dimension Capacity Standard Size Limit (tons) (in.) (in.) NOTE: Limit *C (in.) are the maximum permissible dimensions of Figure 11 - Hook the hooks, which are about 10% wider than the standard hook Inspection openings. -
Page 9: Trouble Shooting
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:20 PM Page 8 TROUBLE SHOOTING ––– Probable Cause ––– ––– Remedy––– Slip caused by ineffective braking. Worn-out friction discs. Replace with new friction discs. Excessive oil on the braking surface. Disassemble and clean. -
Page 10: Inspection & Maintenance Check List
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:20 PM Page 9 INSPECTION AND MAINTENANCE CHECK LIST LEVER OPERATED CHAIN HOIST Type of Hoist Capacity (Tons) Location Original Installation Date Manufacturer Manufacturer’s Serial No. Item Frequency of Inspection Possible Deficiencies Action Req’d Frequent... -
Page 11: Inspector's Report
Inspector’s Date Signature Inspected Approved by Date Figure 13B — Recommended Inspector’s Report RECOMMENDED LUBRICATION SCHEDULE* LITTLE MULE LEVER OPERATED CHAIN HOIST FIGURE COMPONENT TYPE OF LUBRICANT TYPE OF SERVICE AND NUMBERS FREQUENCY OF LUBRICATION HEAVY NORMAL INFREQUENT See Figures Load Chain... -
Page 12: Replacement Parts List For .75 & 1.5 Ton Models
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:24 PM Page 11 Figure 15 - .75 & 1.5 Ton Models 6 28 Authorized Sales & Service - McLaughlin Hoist & Crane - For Parts or Serivce Call (636) 343-9700... - Page 13 www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:24 PM Page 12 Ref. .75 Ton 1.5 Ton Description Part No. Part No. Pinion Shaft IRB5001 KRB5001 Pinion with Pinion Gear IRB4002T KRB4002T Load Gear IRB4004 KRB5004 Load Sheave IRB5005 KRB5005 †5 Load Chain...
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Page 14: Replacement Parts List For 3 & 6 Ton Models
www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:29 PM Page 13 Figure 16 - 3 & 6 Ton Model Used on 6 Ton Models 6 32 35 21 Used on 6 Ton Models Authorized Sales & Service - McLaughlin Hoist & Crane - For Parts or Serivce Call (636) 343-9700... - Page 15 www.stlcrane.com McLaughlin Hoist & Crane (636) 343-9700 LMSC.qxd 7/11/2002 4:29 PM Page 14 Ref. 3 Ton 6 Ton Description Part No. Part No. Pinion Shaft NRB5001 NRB5001 Pinion with Pinion Gear NRB5002T NRB5002T Load Gear NRB5004 NRB5004 Load Sheave NRB5005 NRB5005 †5 Load Chain...
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Page 16: Warranty
B30.21. Do not exceed rated capacity stated on the hoist. Refer to manual for operating instructions and forward manual to operator. Little Mule • Country Club Road • P.O. Box 779 • Wadesboro, North Carolina 28170 USA Tel: 800.477.5003 • Fax: 800.374.6853 • 704.694.6829 LMSC680 ©2002 Little Mule...