This equipment should not be installed, operated or
injury or deat h, and/or p ropert y d amag e.
ELECTRIC
CHAIN HOIST
ED SERIES
ED1050
1050 Lb. Capacity
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
Page 2
IMPORT ANT INFORMATION ON HOW TO USE THIS MANUAL
This OWNER’S MANUAL SUPPL EMENT is intended f or use in combination with the “Ow ner’s Manual fo r Electric
Chain Hoist ED Series 125 through 525 Lb. 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 ED Series
125 through 525 Lb. Capacity” will be designated by the use of the acronym “EDOM”.
Table of Contents
Section PageNumber
1.0 Important Information and Warnings…… …………………… ………………… ………… …………EDOM
FIGURE 2-2 PUSH TROL LE Y D IMEN SION FOR S AND DS MOD E
(SEE TABLE 2-5)
FIGURE 2-3 GEARED T ROL LEY D I MENSI ON FOR S AN D DS MO
6
(SEE TABLE 2-6)
Page 7
Table 2-7 ED1050 Hook Dimensions*
Capacity
a
b
c
d
e
f
g
(lbs.)
1050
*See Table 5-5 for discard dimensions.
2.3 Part Names
Hook
Top 1.1 0.7 0.9 0.7 1.4 1.2 1.1
Bottom 1.1 0.7 0.9 0.7 1.4 1.4 0.9
(in)
(in)
(in)
(in)
(in)
(in)
(in)
7
Figure 2-4 ED1050 Single and Dual Speed Part Names
Page 8
3.0 Pre-operational Procedures
3.2.1 Chain
3.2.1 The quantity and location of the chain components including Cushion Rubbers, Washers and Stopper
Assemblies is shown in Table 3-2, and Figure 3-2. Ensure that all chain components are in the correct
location and properly installed. Never operate the hoist with incorrect, missing or damaged chain
components.
Table 3-2 Chain Stopper Placement
Capacity Code Load Side No Load Side
S & DS Adjacent to bottom yoke Last link
Figure 3-2 Chain Component Arrangement for the ED1050
8
Page 9
3.6 Mounting the Hoist
3.6.1 Manual Trolley - Follow instructions in Owner's Manual provided with the trolley.
3.6.2 Hook Mounted to a Fixed Location - Attach the hoist’s top hook to the fixed suspension point.
3.6.3
the hook’s latch is engaged.
Ensure that the fixed suspension point rests on the center of the hook’s saddle and
9
Page 10
5.0 Inspection
The information listed in this section is intended to supplement Section 5.7 of the EDOM.
Table 5-3 Hoist Inspection Methods and Criteria
Use this table in conjunction with Table 5-3 of the EDOM. The entries in this table replace in their
entirety the corresponding entri es in Table 5-3 of the EROM.
Item Method Criteria Action
Hooks - Idle
Sheave and Axle
(Bottom Hook on
Double Fall Hoist)
Load Chain Reeving
Cushion Rubber Visual Should be free of significant deformation. Replace.
Chain Springs Visual Chain springs should not be deformed or
Visual, Function Pockets of Idle Sheave should be free of
significant wear. Idle Sheave surfaces should
be free of nicks, gouges, dirt and grime.
Bearing parts and surfaces of Idle Sheave and
Axle should not show significant wear. Idle
Sheave should rotate freely with no roughness
or significant free play.
Visual Chain should be reeved properly through Load
Sheave (and Idle Sheave for double fall hoist) refer to Section 6.4. Chain, Chain Spring,
Cushion Rubbers, and Stoppers should be
installed properly - refer to Section 3.2.
compressed.
Clean/lubricate, or
replace as
required.
Reeve/Install
chain properly.
Replace.
10
Page 11
Table 5-5 Top Hook & Bottom Hook Dimens ions
“k” Measured When New:
Top: _________________________
* These values are nominal since the dimension is not controlled to a tolerance. The "k"
dimension should be measured when the hook is new - this becomes a reference
measurement. Subsequent measurements are compared to this reference to make
determinations about hook deformation/stretch. See EDOM Section 5.7, “Hooks - Stretch”.
11
Page 12
9.0 Parts List
When ordering Parts, please provide the Hoist code number, lot number and serial number located on the Hoist
nameplate (see fig. below).
Reminder: Per sections 1.1 and 3.9.4 to aid in ordering Parts and Product Support, record the Hoist code
number, lot number and serial number in the space provided on the cover of this manual.
ED1050 Nameplate
The parts list is arranged into the following sections:
Section Page
9.1 ED1050 Additional Parts…….…….…………………………… ……… ……… ………………………...14
A designator is used to distinguish parts that apply only to a particular model or option. Refer to Section 2 for
hoist model numbers and additional descriptions. The designators are:
S = Single Speed
DS = Dual Speed