Application Information; Safety Standards; Hoist Construction And Features; Basic Hoist Data - Coffing Hoists EC3 Series Operating, Maintenance & Parts Manual

SECTION I INTRODUCTION

1-5. APPLICATION INFORMATION

This manual provides information for the safe operation and
maintenance of Coffing ® EC-3 Series Hoists. All persons operating
or maintaining these hoists should be familiar with the information
contained herein. Adherence to the precautions, procedures, and
maintenance practices described should ensure long reliable operation.
To safeguard against the possibility of personal injury or property
damage, follow the recommendations and instructions of this
manual. This manual contains important information for the correct
installation, operation, and maintenance of this equipment. All
persons involved in the installation, operation, and maintenance of
this equipment should be thoroughly familiar with the contents of this
manual. Keep this manual for reference and further use.
To avoid personal injury:
do not use the equipment shown in this manual to lift, support,
or otherwise transport people, or to suspend unattended loads
over people.

1-2. SAFETY STANDARDS

All persons concerned with the installation. operation, inspection
and maintenance of these hoists are urged to read American Society
of Mechanical Engineers (ASME) B30.16. That Standard contains
valuable guidelines concerning practices designed to minimize
hazards associated with the use of overhead hoisting equipment.
ASME B30.16 also contains detailed procedures for establishing
hoist inspection and maintenance programs and can be of
significant assistance in maintaining compliance with OSHA
regulations.

1-3. HOIST CONSTRUCTION AND FEATURES

EC-3 Series Hoists incorporate the following features:
a. Heat-treated alloy steel gearing.
b. Overload limiting clutch.
c. Completely independent mechanical and electrical brakes.
d. Adjustable limit switches.
e. Tough, nylon, weatherproof pushbutton stations.
f. Steel strain cable inside pushbutton cord.
g. Transformer isolated, low-voltage pushbutton controls.
h. Quick voltage conversion on dual-voltage unit .

1-4. BASIC HOIST DATA

The basic hoist models covered by this manual are listed in Table 1-1.
Model No. Rated Load (lb.)
EC-2032 2000
EC-4016 4000
EC-4024 4000
EC-6010 6000
EC-6016 6000
EC-8008 8000
EC-8012 8000
EC-10005 10000
EC-10008 10000
Lift Speed at
Rated Load (ft. Motor HP
per min.)
32 2
16 2
24 3
10 2
16 3
8 2
12 3
5 2
8 3
1-5. APPLICATION INFORMATION
This hoist is intended for general industrial use in the lifting and
transporting of freely suspended material loads within its rated
load. Prior to installation and operation, the user should review his
application for abnormal environmental or handling conditions and
to observe the applicable recommendations as follows:
a. Adverse Environmental Conditions. Do not use the hoist in areas
containing flammable vapors, liquids, gases or any combustible
dusts or fibers. Refer to Article 500 of The National Electric Code. Do
not use this hoist in highly corrosive, abrasive or wet environments.
Do not use this hoist in applications involving extended exposure to
ambient temperatures below -40°F or above 130°F.
b. Lifting of Hazardous Loads. This hoist is not recommended
for use in lifting or transporting hazardous loads or materials
which could cause Wide-spread damage if dropped. The lifting
of loads which could explode or create chemical or radioactive
contamination if dropped requires fail-safe redundant
supporting devices which are not incorporated into this hoist.
c. Lifting of Guided Loads. This hoist is not recommended for use
in the lifting of guided loads, including dumbwaiters and non-
riding elevators. Such applications require additional protective
devices which are not incorporated into this hoist. Refer to
your state and local regulations governing the requirements for
elevator and dumbwaiter installations.

1-6. WARRANTY

Every hoist is thoroughly inspected and tested prior to shipment
from the factory. Should any problems develop, return the complete
hoist prepaid to your nearest Coffing authorized Warranty Repair
Station. If inspection reveals that the problem is caused by defective
workmanship or material, repairs will be made without charge and
the hoist will be returned, transportation prepaid.
This warranty does not apply where: ( 1 ) deterioration is caused by
normal wear, abuse, improper or inadequate power supply, eccentric
or side loading, overloading, chemical or abrasive actions, improper
maintenance or excessive heat; (2) problems resulted from repairs.
modifications or alterations made by persons other than factory or
Coffing Authorized warranty Repair Station personnel: (3) the hoist has
been abused or damaged as a result of an accident: (4) repair parts or
accessories other than those supplied by Coffing Hoists are used on
the hoist. Equipment and accessories not of the seller's manufacture are
warranted only to the extent that they are warranted by the manufacturer.
EXCEPT AS STATED HEREIN, COFFING HOISTS MAKES NO OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE.
SECTION II

2-1. SAFETY NOTES

a. Inspect the hoist for any evidence of shipping damage or loose parts.
b. The supporting structure and load attaching devices should
have a load rating at least equal to that of the hoist.
c. This hoist is not suitable for use in uncovered outdoor locations
or areas containing explosive dust, vapors or gases.
d. The installation area must provide safe operating conditions
for the operator, including sufficient room for the operator and
other personnel to stand clear of the load at all times.
e. In areas where slack chain hanging from the hoist may create a
hazard, use a chain container (see Figure 2-2).

2-2. HANGING THE HOIST

Hook mounted hoists can be used with a variety of trolleys or
stationary hangers. It is recommended that a hand-geared or
motorized trolley be used when the pulling effort required to move
the hoist exceeds 100 pounds or when the application requires
frequent movement of the hoist.
a. Make sure that the hook latch closes after hanging the hoist.
b. See Figure 2-1 for instructions on adjusting lug-mounted plain trolleys.
c. Refer to Coffing Motorized Trolley Operating and Maintenance
Instructions manual for motorized trolley installation instructions.
6
EC3-680-3 February 2017
Order # 5041558-0 & 5041679-0