Instruction/ maintenance manual of the product NER2 Harrington Hoists
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Owner’s Manual SUPPLEMENT ELECTRIC CHAIN HOIST ER2 and NER2 SERIES 8 T on through 20 T on Cap acity WARNING Code, Lot and Serial Number EFFECTIVE: November 3, 2008 This equipment should not be installed, operated or maintained by any person who has not read and understood all the contents of this manual .
2 IMPORTANT INFORMATION ON HOW TO USE THIS MANUAL This OWNER’S MANUAL SUPPLEMENT is intended for use in combination with the “O w ne r’s Manual for Electric Chain Hoist ER2 and NE R2 Series 1/8 through 5 Ton Capa city ”. Refer to the Table of Contents bel ow to determine the location(s) of information pertaining to your hoist.
3 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.
4 2.0 Technical Information 2.1 Specifications 2.1.1 Prod uct Code 2.1.2 Operating Condition s and Environment Temperature rang e: -4° to +104°F (-20° to +40° C) Relative Humidity: 85% or less Noi.
5 Table 2-1 Ho ist Specificati ons Motor Rated Current (amps) Net Weight (lbs) Cap. (Tons) Product Code Lifting Speed (ft/min) Output (Hp) 208V - 230V 460V Load Chain Diameter ( mm ) x Chain Fall Lines Load Sheave Pockets NER ER Weight for Addnl. One Foot of Lift (lbs) 8 (N)ER2080S* 7.
6 Figure 2-1 – NER2080S Figure 2-2 – NER208 0SD Figure 2-3 – NER2100S Figure 2-4 – NER210 0SD Table 2-3 Ho ok Dimensions* Capacity Code Hook a b c d e g 080S B 3.3 (83.5) 2.2 (55.0) 2.9 (73.0) 1.9 (48.0) 3.3 (85.0) 2.4 (62.0) 100L, 100S T & B 3.
7 3.0 Preoperational Procedures 3.1 Gear Box 3.1.1 The gearbox is filled with the corr ect amount of oil at the time of shi pment. The oil level must be verified prior to ope ration. The ER2 and NER2 hoi sts have different checking procedures. Refer to Section 6.
8 3.2 Chain 3.2.1 The quantity and locatio n of the chain component s including chain sprin gs and stop pers depends o n the hoist model and capacity .
9 (N)ER208 0S to (N)ER 2100L (N)ER210 0S to (N)ER 2200L Figure 3-3 Installati on of Chain Container 3.2.5 When using an opti onal steel ch ain container, re fer to the in structions and/or asse mbly drawin g(s) provided with the container for corre ct assembly and attachment.
10 3.4.4 Lug Mounted ER2 080S and ER2100L -LG – To maintai n proper balance wh en the hoist is not lo aded, it is necessary to install a stabilizing shaft to prev ent the hoist from pivoting on the main support shaft.
11 Power Supply Cable - Hoist Connection The Power Supply Ca ble connect s to the hoist via a 4-pi n (4P) plug an d socket or a direct fitting depending on the product code . Make this connec tion as follows: Refer to Figure 3-5 or 3-6 depending on the pro duct code.
12 Figure 3-6 Pendan t and Po wer Supply Cable Connectio ns for ER2100S, ER2150S and ER2200S Figure 3-7 Po wer Supply Cable F estooning and G uide Wire Lo cation.
13 Power Supply Cable - Installation If the hoist is hook mount ed to a fixed supp ort ensure that the Po wer Supply Cable i s properly installed and supported between t he hoist and t he electrical power supply. If the hoist is installe d on a manual trol ley, then the Power Su pply Cable must be inst alled along the beam that the trolley runs on.
14 3.6 Preoperational Chec ks and Trial Opera tion 3.6.1 Refer to the h oist’s namepla te and record the h oist's Code, Lot and S erial Number in the space provided on the cover of this man ual. 3.6.2 WARNING Confirm the adequacy of the rated capacity for all slings, chain s, wire ropes and all other lifting attachment s before use.
15 5.0 Inspection NOTICE The information listed in thi s section is intend ed to supplement Se ction 5.7 of the ER2OM. Table 5-3 Hoist Inspection Me thods a nd Criteria Use this table in co njunction with Table 5-3 of the ER2OM. The e ntries in this table re place in their en tirety the corresponding en tries in Table 5-3 of the ER2OM.
16 Table 5-4 Top Hook & Bottom Hook Dimensi ons “k” Measured When New: Top : _________________________ Bottom: ______________________ "u" Dimension inch (mm) "t" Dimension inch (mm) Capacity Code Nominal "k" Dimension * inch (mm) Standard Discard Standard Discard 080S 4.
17 Table 5-6 Chain Sprin g Length Dimen sions “Length” - inch (mm) Capacity Code Standa rd Discard 080S, 100L, 100S, 0150S, 2 00S 6.3 (160) 6.0 (152).
18 6.0 Maintenance and Handling 6.2 Lubrication 6.2.1 Load Chain Ref er to 6.2.1 of the ER2 OM. 6.2.2 Hooks and Suspen sion Component s: Ref er to 6.2.2 of the ER2 OM. 6.2.3 Gear Box: Ref er to 6.3 of the ER2OM ex cept use the follo wing table for checking oi l level.
19 6.4 Load Chain 6.4.1 Lubrication and Cl eaning – refer t o Section 6.2 of ER2OM . 6.4.2 Load Chain Replacement for ER2080S and ER2100L: 1) CAUTION The hoist mu st be properly powe red and operatio nal in order to perf orm the following procedu res.
20 Figure 6-3 Chain Re placement for 0 80S and 100L 6.4.3 Load Chain Repl acement for ER2100S, E R2150S and ER2200S: 1) CAUTION The hoist mu st be properly powe red and operatio nal in order to perf orm the following procedu res.
21 11) Remove the remai ning Stopper an d Chain Spring f rom the old chain. Inspect and replace any damaged or worn pa rts. Install the Stop per and Chain Sp ring to the end of the n ew chain. Refer to Section 3.2 in this supplement for correct location.
www.harringtonhoists.com Harrington Hoists, Inc. Harring ton Hoists – Western Division 401 West End Avenue 2341 Pomona Rd. #103 Manheim, PA 17545 Corona, CA 92880-6973 Phone: 717-665-2000 Phone: 909.
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If you already are a holder of Harrington Hoists NER2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Harrington Hoists NER2.
However, one of the most important roles played by the user manual is to help in solving problems with Harrington Hoists NER2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Harrington Hoists NER2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
