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EFFECTIVE: November 3, 2008
Owner’s Manual
SUPPLEMENT
ELECTRIC
CHAIN HOIST
ER2 and NER2
SERIES
8 Ton through 20 Ton Capacity
Code, Lot and Serial Number
W ARNING
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 C
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Section Page Number/Location 5.0 Inspection…………………………….………………………………….…………..…….. 15 and ER2OM 5.1 General ER2OM 5.2 Inspection Classification ER2OM 5.3 Frequent Inspection ER2OM 5.4 Periodic Inspection ER2OM 5.5 Occasionally Used Hoists ER2OM 5.6 Inspection Records ER2OM 5.7 Inspection Methods and Criteria 15 and ER2OM 6.0 Maintenance & Handling…………………………………………………….……………. 18 and ER2OM 6.1 Count/Hour Meter ER2OM 6.2 Lubrication 18 and ER2OM 6.3 Motor Brake 18 and ER2OM 6.4 L
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2.0 Technical Information 2.1 Specifications 2.1.1 Product Code 2.1.2 Operating Conditions and Environment Temperature range: -4° to +104°F (-20° to +40°C) Relative Humidity: 85% or less Noise Level: 85 dB or less (A scale: measured 1 meter away from electric chain hoist Enclosure Rating: Hoist Meets IP 55, Pendant Meets IP65 Supply Voltage: Single Speed Standard: Reconnectable 208/230 & 460V-3-60 Single Speed Optional: 575V-3-60 or Special Voltages/Frequencies Available
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Table 2-1 Hoist Specifications Motor Load Load Net Weight Chain Sheave Weight for Rated Current (lbs) Lifting Diameter Pockets Addnl. (amps) Product Cap. Speed One Foot (mm) Output (Tons) Code (ft/min) x of Lift (Hp) 208V - 460V NER ER (lbs) Chain Fall 230V Lines 8 (N)ER2080S* 7.5 11.2 x 3 5 362 359 5.5 10 (N)ER2100L 4.7 16.4 7.9 5 617 615 7.4 5.5 11.2 x 4 10 (N)ER2100L-LG 5 573 571 7.4 10 (N)ER2100S 11 4.7 x 2 16.4 x
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Figure 2-1 – NER2080S Figure 2-2 – NER2080SD Figure 2-3 – NER2100S Figure 2-4 – NER2100SD Table 2-3 Hook Dimensions* Capacity Code Hook a b c d e g 3.3 2.2 2.9 1.9 3.3 2.4 B 080S (83.5) (55.0) (73.0) (48.0) (85.0) (62.0) 3.3 2.2 2.9 1.9 3.3 2.4 100L, 100S T & B (83.5) (55.0) (73.0) (48.0) (85.0) (62.0) 4.1 2.8 3.4 2.4 3.9 3.1 T & B 150S (104) (70.0) 87.0) (60.0) (100.0) (79.0) T = Top Hook B = Bottom Hook 4.6 3.3 3.9 2.8 4.3 3.4 T & B 200S (118) (83.0) (99.5)
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3.0 Preoperational Procedures 3.1 Gear Box 3.1.1 The gearbox is filled with the correct amount of oil at the time of shipment. The oil level must be verified prior to operation. The ER2 and NER2 hoists have different checking procedures. Refer to Section 6.3 of the ER2OM for specific checking procedures. Use the 050L Capacity Code to determine the correct “Check Distance” for the ER2 Large Capacity hoist. 3.1.2 Refer to Section 6.3 of the ER2OM when replacing the gear oil. Use the 0
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3.2 Chain 3.2.1 The quantity and location of the chain components including chain springs and stoppers depends on the hoist model and capacity. Never operate the hoist with incorrect, missing or damaged chain components. Refer to the hoist's nameplate, Table 3-2, and Figure 3-2 and ensure that all chain components are in the correct location and properly installed. 3.2.2 When the hoist is used without a chain container, the free end of the chain is attached to the hoist body as shown in
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(N)ER2080S to (N)ER2100L (N)ER2100S to (N)ER2200L Figure 3-3 Installation of Chain Container 3.2.5 When using an optional steel chain container, refer to the instructions and/or assembly drawing(s) provided with the container for correct assembly and attachment. WARNING 3.2.6 Verify that the load chain is not twisted or tangled prior to operating the hoist. Make sure the bottom hook is not capsized. See Figure 3-4. Correct all chain irregularities before conducting the first hois
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3.4.4 Lug Mounted ER2080S and ER2100L-LG – To maintain proper balance when the hoist is not loaded, it is necessary to install a stabilizing shaft to prevent the hoist from pivoting on the main support shaft. Refer to Figure 2-1 and Figure 2-2 for the size and location of the main support and stablizing holes in the hoist’s top suspension plates. WARNING 3.4.5 Ensure that the fixed suspension point rests on the center of the hook’s saddle and that the hook’s latch is engaged. 3.5 Elect
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Power Supply Cable - Hoist Connection The Power Supply Cable connects to the hoist via a 4-pin (4P) plug and socket or a direct fitting depending on the product code. Make this connection as follows: Refer to Figure 3-5 or 3-6 depending on the product code. For ER2080S and ER2100L insert the 4P plug of the Power Supply Cable into the 4P Socket on the hoist and hand tighten the Lock Ring. For ER2100S, ER2150S, and ER2200S – The power supply cable should be pre-installed to the switch b
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Figure 3-6 Pendant and Power Supply Cable Connections for ER2100S, ER2150S and ER2200S Figure 3-7 Power Supply Cable Festooning and Guide Wire Location 12
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Power Supply Cable - Installation If the hoist is hook mounted to a fixed support ensure that the Power Supply Cable is properly installed and supported between the hoist and the electrical power supply. If the hoist is installed on a manual trolley, then the Power Supply Cable must be installed along the beam that the trolley runs on. For curved beams a special cable suspension system will be needed, and this instruction does not apply. For straight beams install the Power Supply Cab
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3.6 Preoperational Checks and Trial Operation 3.6.1 Refer to the hoist’s nameplate and record the hoist's Code, Lot and Serial Number in the space provided on the cover of this manual. WARNING 3.6.2 Confirm the adequacy of the rated capacity for all slings, chains, wire ropes and all other lifting attachments before use. Inspect all load suspension members for damage prior to use and replace or repair all damaged parts. WARNING 3.6.3 Verify and correct all chain irregularities prior to
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5.0 Inspection NOTICE The information listed in this section is intended to supplement Section 5.7 of the ER2OM. Table 5-3 Hoist Inspection Methods and Criteria Use this table in conjunction with Table 5-3 of the ER2OM. The entries in this table replace in their entirety the corresponding entries in Table 5-3 of the ER2OM. Item Method Criteria Action Hooks - Fretting Measure The "u" and "t" dimensions should not be less Replace. wear than discard value listed in T
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Table 5-4 Top Hook & Bottom Hook Dimensions “k” Measured When New: Top: _________________________ Bottom: ______________________ "u" Dimension "t" Dimension Nominal "k" inch (mm) inch (mm) Capacity Code Dimension* inch (mm) Standard Discard Standard Discard 080S 4.76(121) 2.86(72.6) 2.72(69) 1.89(48) 1.8(45.6) 100L, 100S 5.16(131) 3.43(87) 3.26(82.7) 2.36(60) 2.24(57) 150S 5..6(142) 3.91(99.4) 3.72(94.5) 2.76(70) 2.62(66.5) 200S 7.13(181) 4.4(112) 4.19(106.4) 2.8(71) 2.66(6
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Table 5-6 Chain Spring Length Dimensions “Length” - inch (mm) Capacity Code Standard Discard 080S, 100L, 100S, 0150S, 200S 6.3 (160) 6.0 (152) 17
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6.0 Maintenance and Handling 6.2 Lubrication 6.2.1 Load Chain Refer to 6.2.1 of the ER2OM. 6.2.2 Hooks and Suspension Components: Refer to 6.2.2 of the ER2OM. 6.2.3 Gear Box: Refer to 6.3 of the ER2OM except use the following table for checking oil level. Table 6-1 ER (Mechanical Load brake Equipped) Gear Oil Check Distances Check Distance Check Distance Capacity Code (inches) (millimeters) 080S, 100L, 100S, 0150S, 200S 5.12 130 6.3 Motor Brake - Use the table below in c
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6.4 Load Chain 6.4.1 Lubrication and Cleaning – refer to Section 6.2 of ER2OM. 6.4.2 Load Chain Replacement for ER2080S and ER2100L: CAUTION 1) The hoist must be properly powered and operational in order to perform the following procedures. WARNING 2) Be certain that the replacement chain is obtained from Harrington and is the exact size, grade and construction as the original chain. The new load chain must have an odd number of links so that both its end links have the same orientatio
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Figure 6-3 Chain Replacement for 080S and 100L 6.4.3 Load Chain Replacement for ER2100S, ER2150S and ER2200S: CAUTION 1) The hoist must be properly powered and operational in order to perform the following procedures. WARNING 2) Be certain that the replacement chain is obtained from Harrington and is the exact size, grade and construction as the original chain. The new load chain must have an odd number of links so that both its end links have the same orientation. If the load chain
