Harrington Hoists Personal Lift M3CB User Manual

SPECIFICATION  
MANUALLY OPERATED CHAIN HOIST  
MODEL M3CB  
HOISTS AND CRANES  
Page 1 of 2  
1.0 Scope  
1.1  
2.0 Codes and Standards  
To define the requirements for hand chain manually operated chain hoists.  
2.1  
2.2  
ASME B30.16 “Overhead Hoists (Underhung)”  
ASME HST-2M “Performance Standard for Hand Chain Manually Operated  
Chain Hoists”  
2.3  
3.0 Design  
3.1  
JIS B 8802 “Manually Operated Chain Hoists”  
The hand chain manually operated chain hoists shall be model M3CB as  
supplied by Harrington Hoists, Inc. The hoists shall be rated ½ US Ton  
through 5 US Ton.  
3.2  
3.3  
3.4  
The hand chain manually operated chain hoists shall meet the design and  
construction criteria of paragraph 2.1 above.  
The hand chain manually operated chain hoists shall employ a split load  
double reduction spur gear transmission.  
The hand chain manually operated chain hoists shall be equipped with a dry  
Weston type mechanical load brake that incorporates two redundant pawls,  
four braking surfaces, and non-asbestos brake pads that resist humidity and  
moisture. The brake shall be totally enclosed for protection from impact, dirt,  
and moisture.  
3.5  
3.6  
The hand chain manually operated chain hoists shall be equipped with Grade  
100 load chain.  
The hand chain manually operated chain hoists shall be equipped with hooks  
that are drop forged from carbon steel, and which are designed for ductile  
mode failure upon overload. The hooks shall have measurement nubs to  
facilitate inspection measurements. The hooks shall be equipped with spring  
loaded latch type throat closures. The bottom hook shall be designed for 360  
degree swivel.  
3.7  
3.8  
The hand chain manually operated chain hoists shall have a single fall of load  
chain for capacities 3 US Tons and below.  
The hand chain manually operated chain hoists shall be equipped with two  
contoured chain guides that are tucked into the hoist body where they are out  
of the way and free from potential interference.  
3.9  
The hand chain manually operated chain hoists shall be have a load sheave  
with at least four pockets for the load chain. It shall be equipped with a  
stripping device that keeps the load sheave free of debris.  
GENERAL USE  
EDOC0184  
Rev. 0  
March 14, 2001  
Download from Www.Somanuals.com. All Manuals Search And Download.  

Graco Thermostat 308791E User Manual
Guardian Technologies Portable Generator QP 40 User Manual
Haier Freezer HUM013EA User Manual
Hotpoint Double Oven 6182 User Manual
Hotpoint Refrigerator FF4DKUK User Manual
Hotpoint Refrigerator HTN17BBT User Manual
HP Hewlett Packard Car Video System LE1901w User Manual
HP Hewlett Packard PDAs Smartphones rx3000 Series User Manual
iHome Radio IP87 User Manual
Imation Computer Drive RDX User Manual