Page 2 - Milwaukee Electric Tool Corporation; A company within the Atlas Copco Group; WARRANTY; Every
Milwaukee Electric Tool Corporation A company within the Atlas Copco Group 13135 West Lisbon Road • Brookfield, WI, U.S.A. 53005 Alterations or modifications of equipment and use of non-factoryrepair parts can lead to dangerous operation and injury. TO AVOID INJURY: • Do not alter or modify equipmen...
Page 3 - SAFETY PRECAUTIONS
2 Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 SAFETY PRECAUTIONS Each MILWAUKEE Electric Chain Hoist is built in accordance with the specifications contained herein and at the time of manufacturecomplies with our interpretation of applicabl...
Page 4 - TABLE OF CONTENTS; HOIST SPECIFICATIONS
3 MILWAUKEE Electric Chain Hoists are rugged, portable hoiststhat provide quick, precise lifting. The hoists are constructed oftough, but lightweight, die cast aluminum alloy housings. An oilbath transmission, equipped with heat-treated, alloy steelgears and an overload limiting clutch, provides smo...
Page 5 - APPLICATION INFORMATION; ADVERSE ENVIRONMENTAL CONDITIONS; SAFETY INFORMATION
APPLICATION INFORMATION This hoist is intended for general industrial use for lifting andtransporting freely suspended material loads within its ratedcapacity. MILWAUKEE cannot be responsible for applications other than those for which MILWAUKEE equipment is recommended. Prior to installation and op...
Page 6 - OPERATION
Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 2. Before operating the hoist, be sure to observe the following: a. ALWAYS DISCONNECT HOIST FROM POWER SUPPLY before removing the electrical cover or when making anyelectrical connection in the ho...
Page 7 - OVERLOAD LIMITING PROTECTION; MAINTENANCE; INSPECTIONS
11. Do not operate unless hook travel limit devices function. Test without load each shift. 12. Do not operate when hoist is not centered over load. 13. Do not operate if chain is not seated properly in sprockets or sheave grooves. 14. Do not operate damaged or malfunctioning hoist. OVERLOAD LIMITIN...
Page 8 - CHAIN
7 CHAIN Chain is to be kept clean and lubricated (See LUBRICATION,page 9). Visually check chain every time hoist is used. Hoistmust not be operated when chain is twisted or kinked. Animportant phase of hoist maintenance is chain inspection.Check individual links and check for chain elongation. 1. Ch...
Page 9 - LIMIT SWITCH ADJUSTMENT
Chain Replacement with No Chain in Hoist Refer to Figures 4 and 5. 1. DISCONNECT HOIST FROM POWER SUPPLY and move hoist to a work table. Do not remove the electrical cover. 2. Lay the hoist on its side and remove the four screws that attach the sheave housing to the gear housing (See Figure12, Ref. ...
Page 10 - BRAKE; HOIST CONTROLS
9 3. Carefully raise load block to upper limit and observe if it stops automatically at desired level. Do not allow load blockto run into hoist housing — this will damage the hoist.Maintain a minimum clearance of 2" from the hoist housingand the top of the load block on single-chained models and...
Page 11 - HOIST REPAIRS
Limit Switch Shaft Remove any dirt accumulation and spray with a generalpurpose lubricant. Hook Bearing Apply a few drops of SAE 30 gear or motor oil around the edgeof the bearing. Idler Sheave Bearing (Bushing) Disassemble load block and apply a light coat of NLGI #2grease, or equivalent, inside of...
Page 12 - POWER CORD PRECAUTIONS WITH 1-PHASE HOISTS
11 5. Remove four screws attaching gear box cover to gear housing and remove gear box cover. Limit switch drive shaftwill come along with the cover. 6. Inspect gears for broken or severely worn teeth and inspect all bearings. Replace as necessary. The overload slip clutchis factory calibrated and mu...
Page 14 - TROUBLE SHOOTING
Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 13 1. Limit switch not operating 1. Check adjustment (See LIMIT SWITCH ADJUSTMENT, page 8). Check connections against wiring diagram. Tighten loose connections or replace. 2. Brass limit switch nu...
Page 17 - Figure 12 - Basic Hoist
16 3 16 15 14 7 2 12 1 4 6 8 10 13 5 1 Motor 1 (See Figures 13 & 14) 2 Sheave Housing Screw 4 3 Sheave Housing 1/2 Ton 1 1 & 2 Ton 1 4 Gear Housing 1/2 Ton 1 1 & 2 Ton 1 5 Gear Case Gasket 1 6 Gearbox Cover 1 7 Electrical Cover Gasket 1 8 Electrical Cover 1 9 1/4" Spring Lockwasher 1...
Page 21 - Figure 16 - Electrical Parts
20 Figure 16 - Electrical Parts Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 1 Gear Box Cover 1 2 Panel Plate 1 3 Reversing Contactor 1 hp, 115/230V 1 1 hp, 230/460V 1 1/2 hp 1 4 Transformer Pri.: 115/230V, Sec.: 24V 1 Pri.: 230/460V, Sec.: ...
Page 22 - Figure 17 - Limit Switch Parts
Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 21 Figure 17 - Limit Switch Parts 7 15 17 16 6 13 10 9 12 3 11 14 5 1 4 1 Gear Box Cover 1 2 Limit Switch & Shaft Assembly 1 (Includes Items 4-12) 3 Limit Switch Assembly 1 (Includes Items 4-8...
Page 23 - Figure 18 - Pushbutton Station
22 Figure 18 - Pushbutton Station Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 12 6 7 10 11 4 5 13 14 15 4 8 4 9 16 3 2 1
Page 25 - Figure 19 - Transmission Parts
24 Figure 19 - Transmission Parts Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 12 1 4 2 13 9 3 11 8 7 23 26 24 23 20 25 27 30 5 18 20 21 17 15 31 18 22 14 15 16 16 18 19 6 10 26 **32 27 28 29 7 13 *NOTE: Orient output gear (32) with long bos...
Page 27 - Figure 20 - Chaining Parts
26 Figure 20 - Chaining Parts Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 2-Ton Models 1-Ton Models 2-Ton Models 1/2 -Ton Models 1 17 16 15 18 14 22 11 29 6 9 12 27 13 20 5 3 4 8 28 23 21 25 35 36 35 34 7 10 32 31 36 46 47 41 24 44 33 50 19...
Page 31 - NOTES
30 Milwaukee Electric Tool Corporation13135 West Lisbon RoadBrookfield, Wisconsin 53005TEL: (800) 729-3878 NOTES