Owner's manual

ManualsBrandsHarrington Hoists and Cranes ManualsHoistN)ERCC Hoist - ((N)ER2

Owner’s Manual Supplement

ELECTRIC

CHAIN HOIST

ER2 and NER2

SERIES

CYLINDER

CONTROL MODEL

1/8 and 1/4 Ton Capacities

Code, Lot and Serial Number

WARNING

This equipment should not be installed, operated or

maintained by any person who has not read and understood

all the contents of this manual. Failure to read and comply

with the contents of this manual can result in serious bodily

injury or death, and/or property damage.

EFFECTIVE: January 12, 2009

Summary of content (12 pages)

PAGE 1
EFFECTIVE: January 12, 2009 Owner’s Manual Supplement ELECTRIC CHAIN HOIST ER2 and NER2 SERIES CYLINDER CONTROL MODEL 1/8 and 1/4 Ton Capacities Code, Lot and Serial Number WARNING This equipment should not be installed, operated or maintained by any person who has not read and understood all the contents of this manual. Failure to read and comply with the contents of this manual can result in serious bodily injury or death, and/or property damage.
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IMPORTANT INFORMATION ON HOW TO USE THIS MANUAL This OWNER’S MANUAL SUPPLEMENT is intended for use in combination with the “Owner’s Manual for Electric Chain Hoist ER2 and NER2 Series 1/8 through 5 Ton Capacity”. Refer to the Table of Contents below to determine the location(s) of information pertaining to your hoist. References to the “Owner’s Manual for Electric Chain Hoist ER2 and NER2 Series 1/8 through 5 Ton Capacity” will be designated by the use of the acronym “ER2OM”. Table of Contents Section 1.
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Section 6.0 Page Number 5.4 Periodic Inspection ER2OM 5.5 Occasionally Used Hoists ER2OM 5.6 Inspection Records ER2OM 5.7 Inspection Methods and Criteria ER2OM Maintenance & Handling …………………………………………………………………………... ER2OM 6.1 Count/Hour Meter ER2OM 6.2 Lubrication – Load Chain, Hooks and Suspension ER2OM 6.3 Lubrication – Gearbox ER2OM 6.4 Motor Brake ER2OM 6.5 Load Chain ER2OM 6.6 Friction Clutch and Mechanical Load Brake with Friction Clutch ER2OM 6.7 Storage ER2OM 6.
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2.0 Technical Information 2.1 Specifications 2.1.1 Product Code 2.1.2 ER2 and NER2 Models - Harrington ER2 series hoist are available in two versions, the ER2 and NER2. These two versions are equipped with different options as standard equipment. The NER2 has a friction clutch mechanism that provides over winding protection. The ER2 has a mechanical load brake/friction clutch combination and an electronic count/hour meter in the control circuit.
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Single Speed Optional: 575V-3-60 or Special Voltages/Frequencies Available Dual Speed Standard: 208/230V-3-60 or 460V-3-60 Dual Speed Optional: 575V-3-60 or Special Voltages/Frequencies Available Single Speed Hoist Duty Rating: Intermittent Duty Rating: Short Time Duty Rating: 2.2 Dual Speed ISO M4/M5; ASME H4 60% ED 360 starts per hour 60 min. 40/20% ED 120/240 starts per hour 30/10 min.
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3.0 Preoperational Procedures 3.2 Chain 3.2.1 Chain Components – Refer Figure 3-1 and ensure that stoppers and cushion rubbers are in the correct location and properly installed. Never operate the hoist with incorrect, missing or damaged chain components. Figure 3-1 Chain Component Location 3.2.2 Chain Container – Install the chain container on the hoist body as shown in Figure 3-2. To place the chain into the chain container, feed the chain into the chain container beginning with the free end.
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3.3 Mounting Location 3.3.1 WARNING Prior to mounting the hoist ensure that the suspension and its supporting structure are adequate to support the hoist and its loads. If necessary consult a professional that is qualified to evaluate the adequacy of the suspension location and its supporting structure. NOTICE 3.3.2 3.4 Mounting the Hoist 3.4.1 Manual Trolley - Follow instructions in Owner’s Manual provided with the trolley. 3.4.
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Figure 3-3 Coiled Control Cable and Power Supply Cable Connections 3.5.6 Connection to Electrical Power Source - The red, white, and black wires of the Power Supply Cable should be connected to an Electric Power Disconnect Switch or Circuit Breaker. This connection should be made so that the hoist is phased properly. Refer to Section 3.7.11 of the ER2OM for instructions on how to check for correct power supply phase connection. 3.5.
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4.0 Operation 4.3 Hoist Controls 4.3.1 Single Speed Hoists – Firmly hold the black Grip on the cylinder control. Slide the Up/Down Switch Operator up to raise the load or down to lower the load as shown in Figure 4-1. To stop the hoist slide the Up/Down Switch Operator back to the middle position. 4.3.2 Dual Speed Hoists – Select high or low speed using the Speed Selector Switch. Lights ajacecnt to the Speed Selector Switch indicate if low or high speed is selected.
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9.
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Figure No.
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www.harringtonhoists.com Harrington Hoists, Inc. 401 West End Avenue Manheim, PA 17545-1703 Phone: 717-665-2000 Toll Free: 800-233-3010 Fax: 717-665-2861 Harrington Hoists – Western Division 2341 Pomona Rincon Rd.