Dings Dynamics Group 60 Series Coupler NEMA 4 - Manual (Page 2)

WARNING:
Brake performance and features must be carefully
matched to the requirements of the application.
Consideration must be given to torque requirements,
especially where an overhauling condition exists, as well
as thermal capacity, ambient temperature, atmospheric
explosion hazards, type of enclosure and any other
unusual conditions.
Improper selection and installation of a brake and/or lack
of maintenance may cause brake failure which could
result in damage to property and/or injury to personnel.
If injury to personnel could be caused by brake failure,
additional means must be provided to insure safety of
personnel.
UNPACKING
When unpacking the brake, inspect it carefully for damage
that may have occurred during transit.
GENERAL SAFETY INFORMATION
NOTE: These brakes are not intended for accurate positioning
applications. They are designed for applications that require
rapid stopping and holding power, such as on conveyors, door
openers, etc.
1.
For applications with high inertia-type loads or rapid
cycling, the thermal capacity of the brake must be
considered.
2. Observe all local electrical and safety codes, as well as
the National Electrical Code (NEC) and the Occupational
Safety and Health Act (OSHA).
3. Brake motors and brake gearmotors must be securely and
adequately grounded. This can be accomplished by
wiring with a grounded metal-clad raceway system, by
using a separate ground wire connected to the bare metal
of the motor frame, or other suitable means. Refer to
NEC Article 250 (Grounding) for additional information.
All wiring should be done by a qualified electrician.
4. Always disconnect power before working on or near a
brake motor, a brake gearmotor, or its connected load.
If the power disconnect point is out of sight, lock it in
the open position and tag it to prevent unexpected
application of power.
5. When working on the brake, be sure the load is
completely removed, secured or blocked to prevent
injury or property damage.
6. Provide guarding for all moving parts.
7. Be careful when touching the exterior of an operating
motor, gearmotor or brake. It may be hot enough to
cause injury or to be painful. This condition is normal
for modern motors, which operate at higher temperatures
when running at rated load and voltage.
8. Protect all electrical lead wires and power cables against
contact with sharp objects or moving parts.
9. Do not kink electrical lead wires and power cables, and
never allow them to touch oil, grease, hot surfaces or
chemicals.
INSTALLATION
CAUTION: To preserve pre-alignment of rotating discs
for ease of installation, do not operate manual release or
energize brake coil before installation.
NOTE: The brakes are designed for horizontal mounting.
Modification is required for vertical mounting. Brakes that
are modified will have a prefix on the model number of VO
(Vertical Over), VU (Vertical Under), or V (Vertical Over or
Under).
On enclosed models, the brake drain should be located at
the bottom. If the application causes excessive condensation
build-up, vertical mounting below the motor is not
recommended.
Number in parentheses refer to parts illustrated in Figs. 3, 4,
6, 7 and 10.
Placing Brake on Motor C Face
For models with two-piece shaft design:
1. Mount hub (22) over key on motor shaft 1/4” from the
motor mounting face as shown in Fig. 1. Part number
on hub to face away from motor. Use 3/16” square key
furnished. Key must extend to, and be flush with, end of
motor shaft. Tighten both setscrews in hub with 8 to 10
lb. ft. torque.
2. Place gasket (34) on motor C face.
3. Remove adapter housing (7). You may have to remove
the access window cap assemblies (9) and tap lightly
with a soft mallet in the openings in the side of the
adapter housing. Place the brake assembly onto the motor
C face, engaging hub splines into brake disc splines.
The release should be located at the top.
4. Screw in four 3/8-16 threaded rods (28) or (32) through
bracket (1) into motor C face (approx. 9/16” engagement
or 9 turns). Bring coil lead wires out of conduit hole
before installing the adapter housing. Align adapter
housing (7) with four threaded rods. NOTE: Arrow head
on adapter housing should be in line with manual release
knob (15); see Fig. 10.
Slide adapter housing onto threaded rods. turning output
shaft (8) so that the keyway in the brake shaft lines
up with the key in the motor shaft. Make sure adapter
housing seats against the bracket (1).
Tap adapter housing in place lightly. If excessive force
is required, the key may have to be filed.
5. If additional equipment is to be used, such as a gear
reducer, install a key into the brake shaft extension.
Install gasket (34) onto the brake C face.
Slide equipment onto threaded rods, aligning key in the
brake shaft with keyway in the additional equipment.
Fasten with lockwashers (29) and nuts (30).
6. If no additional equipment is used, fasten adapter
housing (7) with items (29) and (30). The threaded rods
may be cut off the suit the application.
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