® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com INTRODUCTION Contact Information Please do not hesitate to use the following contact information in the event that you may need assistance: R&M MATERIALS HANDLING, INC.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Safety The Safety Alert Symbol is used in this manual to indicate hazards and to alert the reader to information that should be known, understood, and followed in order to avoid DEATH or SERIOUS INJURY. Read and understand this manual before using the hoist.
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Hoist operation, hoist inspection, and hoist maintenance personnel training programs should be based on requirements in accordance with the latest edition of: •...
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Placards and Instructions READ and OBEY all Danger, Warning, Caution, and Operating Instructions on the hoist and in this manual LoadMate ® Electric Chain Hoist Operator’s Manual. Make sure that all placards are in place and legible.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com INSTALLATION Before installing, removing, inspection, or performing any maintenance on a hoist, the main switch shall be de-energized. Lock and tag the main switch in the de-energized position in accordance with ANSI Z244.1.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com INITIAL START-UP Before connecting power to hoist, check all “motion” buttons on pendant control assembly to make sure that they operate freely without binding or sticking. Check pendant cable and strain relief connection to ensure that they are not damaged.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Operational Checks – With Load • After completion of no-load operational tests, the user /owner should perform a full load test even though each complete hoist is load tested at factory.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com HOIST OPERATION BEFORE PROCEDING WITH THE NORMAL OPERATION OF THIS HOIST, THE OPERATOR/(S) ® SHALL BE TRAINED IN ACCORDANCE WITH THE LoadMate Electric Chain Hoist Operator’s Manual...
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com LEAVE THIS PAGE BLANK April 1, 2005 LM16-20-25-I&M MANUAL-2005-0...
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Hoist Motor and Brake Assembly The hoist motors are designed to provide dependable hoisting service. The standard motors are enclosed for IP55 protection against normal hazards of dust and moisture. The motor bearings are sealed and do not require further greasing.
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 11. Brake hub Remove Hoist Motor and Brake Assembly (refer to Figure 5.2) 1. Remove load from load block assembly. 2. Raise load block assembly to hoist body. Allow slack in chain to permit tying up bottom block assembly to remove weight of bottom block assembly from load chain.
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Hoist Motor Brake The hoist motor brake is a D.C. electromagnetic disc brake and does not require adjustment. The brake brings the load to a smooth and quick stop and holds the load when the hoist motor is not energized. An energized coil releases the hoist motor brake and permits the raising and lowering of the load.
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com NOTE: MAXIMUM ALLOWABLE GAP IS 0.5mm or 0.020 inches. Remove round plastic dust cap on the side of the brake assembly. Turn off power to hoist, insert gage pin of proper diameter to check motor brake gap.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Torque Limiter (Refer to Figure 5.4) The hoist is equipped with a torque limiter that is located in the gearbox assembly. The torque limiter is a safety device that prevents lifting excessive loads that may damage to the hoist.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Load Chain A hoist SHALL NEVER be used if the load chain shows any evidence of mechanical damage or excessive wear. Never use the load chain as a sling. Use only original equipment chain as supplied by a factory authorized source.
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 11 t Ød P25004 FIGURE 5.5 Measure the following chain dimensions at several points on chain: ( Figure 5.5 ) • Dimensions of one link ( d x t ) where, d = diameter and t = pitch •...
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 3. Run hoist in slow speed to feed chain through chain sprocket. Continue running until about 2.0 feet [60cm] of chain is available out the other side. 4.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 2. Place two halves of Fall Stop at least six (6) inches [150mm] from end of chain. 3. Insert bolt and tighten nut (two each for LM20/25) 5.10 Chain Container Figure 5.9 Chain container must be in installed for effective operation of hoisting limit switch.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 4. Raise load block and verify that chain is going into chain contain without problems. 5.11 Upper and Lower Travel Safety Limit Switch The Upper and Lower Travel Limit Switch is an automatic reset type switch and connected to the control circuit.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 5.13 Hooks Check hooks for deformation or cracks. Hooks must be replaced if throat opening has increased by more than 15%, or if throat opening has more than 10-degree twist from plane of straight hook. FIGURE 5.10 Due to many types and sizes of hooks that can be furnished and/or specified by the user / owner, it is recommended that user / owner measure the actual throat opening of hook as originally furnished.
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com 5.17 Controls The two-speed hoists are available for 208, 230, 460, 575 Volt - three-phase – 60 hertz power supplies. The controls of the two-speed hoists are NOT re-connectable because the hoist motors are voltage specific.
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Control Panel Layout April 1, 2005 LM16-20-25-I&M MANUAL-2005-0...
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Troubleshooting Problem Possible Cause Possible Solution Hoist does not lift or lower load Emergency stop button is Deactivate button activated Blown fuse Replace the fuse Pendant plug pin pushed out Reinstall plug pin...
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Lifting Assembly – C16 Only April 1, 2005 LM16-20-25-I&M MANUAL-2005-0...
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com C16 PARTS ONLY PART ITEM DESCRIPTION NUMBER 2279955 TOP HOOK SET ( includes 2+3+4+5+6 ) 2279914 TOP HOOK SAFETY LATCH – STEEL PLATE TYPE 2269915 C16 HOOK BLOCK ASSEMBLY 2-FALL 2279914...
® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com Lifting Assembly – C20/25 Only April 1, 2005 LM16-20-25-I&M MANUAL-2005-0...
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® R&M Materials Handling, Inc LoadMate® Chain Hoist Springfield, Ohio USA LM16-20-25 Manual : 800 955-9967 April 2005 www.rmhoist.com C20/25 PARTS ONLY PART ITEM DESCRIPTION NUMBER 2279955 TOP HOOK SET (includes 2+3+4+5+6) 2279914 TOP HOOK SAFETY LATCH – STEEL PLATE TYPE 2279915 C20/25 HOOK BLOCK ASSEMBLY 2-FALL 2279914...
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