Eddy Current Brake Installation Guide For Motorcycle Dynamometers.
This manual is copyrighted by Dynojet Research, Inc., hereafter referred to as Dynojet,
and all rights are reserved. This manual is furnished under license and may only be used
or copied in accordance with the terms of such license. This manual is furnished for
informational use only, is subject to change without notice, and should not be construed
as a commitment by Dynojet. Dynojet assumes no responsibility or liability for any error
or inaccuracies that may appear in this manual. Except as permitted by such license, no
part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any
form or by any means, electronic, mechanical, recording, or otherwise, without the prior
written permission of Dynojet.
The Dynojet logo is a trademark of Dynojet Research, Inc.
Any trademarks, trade names, service marks, or service names owned or registered by any
other company and used in this guide are the property of their respective companies.
Dynojet Research, Inc., 2191 Mendenhall Drive, North Las Vegas, Nevada 89031, USA.
This document provides instructions for installing the Eddy Current Brake (retarder)
optional hardware to Dynojet’s Model 150 and 200 Motorcycle Dynamometers. To
ensure safety and accuracy in the procedures, perform the procedures as they are
described.
Document Part Number: 98226100
Versio n 8
Last Updated: 03-29-02
CONVENTIONS
The conventions used in this manual are designed to protect both the user and the
equipment.
example of conventiondescription
The Caution icon indicates a potential hazard to the
dynamometer equipment. Follow all procedures
exactly as they are described and use care when
performing all procedures.
The Warning icon indicates potential harm to the
person performing a procedure and/or the
dynamometer equipment.
TECHNICAL SUPPORT
For assistance, please contact Dynojet Technical Support at 1-800-992-3525, or write
to Dynojet at 2191 Mendenhall Drive, North Las Vegas, NV 89031.
Visit us on the World Wide Web at www.dynojet.com where Dynojet provides state of
the art technical support, on-line shopping, 3D visualizations, and press releases
about our latest product line.
The following table lists all of the parts included in the Eddy Current Brake
Installation kit. Check your kit against the parts listed to make sure you have received
all of the parts. If any part is missing, contact Dynojet Technical Support.
part numberdescriptionquantity
1971041304" Zip Tie4
25111310Clamp, Retarder Hood2
61229101Hood Assembly, M/C Retarder1
62992001
Or
62992002
29250001Mod-Key, 1/2 x 7/16 x 2"1
29250002Key, 3/8 x 3/8 x 2" (installed)1
Retarder-Generic
Or
Retarder-Generic, European
1
32431332Male Coupler, mounted on eddy current brake
32431333Female Coupler Assembly with four set screws
36488101Nut, 3/8-16, Hex, W/Tlok5
36581270Bolt, 3/8-16 x 3/4", W/Tlok28
36581670Bolt, 3/8-16 x 1", W/Tlok (for right side installation)4
43312200Grommet, 1-5/8OD x 1-3/8ID (one is installed)2
This section describes how to unpack the eddy current brake and remove the hood
from your dyno.
UNPACKINGTHE EDDY CURRENT BRAKE
1Remove the top and sides of the crate.
2If you ordered a hood upgrade, remove the new hood from the crate.
3Remove the four bolts securing the eddy current brake cover and set aside.
4Remove the two bolts securing the hood clamps to the brake and set aside.
5Remove the hardware box from the crate and verify the hardware box contents.
Refer to the parts list on page 1-2.
brake cover
Preparation
hood clamps
Figure 1-1: Remove the Brake Cover and Hood Keepers
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CHAPTER 1
Preparation
6Remove the eddy current brake from the crate.
Note: Dynojet recommends using a continuous nylon loop style strap to lift the
eddy current brake from the crate.
6aRemove the bolts securing the eddy current brake to the crate.
6bPlace the nylon loop strap around the top of the brake frame making sure it
crosses as shown in Figure 1-2.
6cUsing the nylon loop strap, remove the eddy current brake from the crate
and place it near the dyno.
Figure 1-2: Remove the Eddy Current Brake from the Crate
REMOVINGTHE DYNO HOOD
1Remove the four bolts securing the hood to the dyno and set aside. Prop up the
hood.
2If present, disconnect the wires to the key switch.
3Remove the hood from the dyno and set aside.
4Disconnect all battery wires.
This section describes how to remove both the air brake and the manual brake, the
brake caliper assembly, and the rotor.
If you are mounting the eddy current brake on the right side of your dyno, you do not
need to remove the air or manual brake.
Note: Safety requirements of your local country may require that both brakes are
installed. Be sure to follow the safety requirements specific to your country.
REMOVINGTHE AIR BRAKE
1Disconnect all air lines from the dyno.
2Disconnect the brake electrical wires.
• Model 150 dynos: Disconnect the brake wires from the electrical block
mounted on the center of the dyno frame. Refer to the DynoWare EX+
Upgrade manual for more information.
air brake
solenoid wires
loosen screws
Figure 1-4: Remove the Air Brake Solenoid Wires
• Upgraded Model 150/Model 200 dynos: Disconnect the brake wires from
the Breakout board located on the side of the dyno.
brake wires
Figure 1-5: Remove the Brake Wires from the Breakout Board
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CHAPTER 1
Air Brake and Manual Brake Removal
3Remove the jam nuts, adjuster nuts, retainers, and springs.
The springs are compressed. Use caution when removing the springs.
4Disconnect the brake line from the master cylinder to the caliper.
Note: Make sure you have disconnected all air lines and released the tension in
the springs before disconnecting the brake line.
cut away view of dyno
side panel
spring
adjuster nut
jam nut
retainer
Figure 1-6: Air Brake—Remove the Springs
5Remove the two bolts securing the master cylinder to the air cylinder using a
3/16-inch allen wrench. Remove the master cylinder.
master cylinder
bolts
1-6
Eddy Current Brake Installation Guide
Figure 1-7: Air Brake—Remove the Master Cylinder
EDDY CURRENT BRAKE INSTALLATION
Air Brake and Manual Brake Removal
6Remove the bolt securing the spring bolt mounting plate.
7Remove the mounting plate and the air cylinder from the dyno frame.
air cylinder
Figure 1-8: Air Brake—Remove the Air Cylinder
REMOVINGTHE MANUAL BRAKE
1Disconnect the brake line from the master cylinder to the caliper.
2Remove the four bolts, lock washers, and flat washers that secure the master
cylinder and foot pedal.
The bolts run from the inside, through the master cylinder, and into the foot
pedal mounting plate.
foot pedal
bolt
mounting plate
master cylinder
Figure 1-9: Remove the Manual Brake
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CHAPTER 1
Air Brake and Manual Brake Removal
REMOVINGTHE BRAKE CALIPER ASSEMBLY
1Remove the four bolts and washers that secure the caliper assembly.
2Loosen the brake pads and remove the assembly.
Note: Do not put the bolts back into the dyno frame. The holes will be used to
mount the eddy current brake to the dyno.
3Loosen the set screw above the keyway in the drum axle using a 3/16-inch allen
wrench.
4Remove the three 5/16-inch bolts in the lock collar and insert these bolts in the
three threaded holes in the lock collar. Tighten the bolts until the collar comes
loose.
5Slide the rotor and lock collar off the drum axle and remove the key.
The eddy current brake can be installed on either the left or right side of the dyno. Be
sure to check the dyno drum axle for damage or rust and carefully file any marks flush
with the axle.
ADJUSTINGTHE BRAKEFOR RIGHT SIDE INSTALLATIONS
Make the following adjustments to the eddy current brake only if the brake will be
mounted on the right side of the dyno.
1Move the coupler and key to the other side of the brake.
2Move the sensor temperature cable and power cable to the other side of the
brake.
Eddy Current Brake
power cable
temp sensor cable
Figure 1-11: Right Side Installation Set-up
INSTALLINGTHE CONNECTING ARMS
Attach the upper and lower connecting arms on the corresponding side of the eddy
current brake. The connecting arms are identical and interchangeable.
1Remove the eight 3/8-inch bolts and washers from the side of the eddy current
brake.
Figure 1-12: Remove the Connecting Arm Bolts
coupler
remove
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CHAPTER 1
Eddy Current Brake
2Loosely attach one of the connecting arms to the bottom of the eddy current
3Loosely attach the remaining connecting arm to the top of the eddy current brake
brake using four 3/8-inch bolts and four 3/8-inch washers.
using four 3/8-inch bolts and four 3/8-inch washers.
Note: All eight bolts need to remain loose in order to align the brake.
connecting arm
bolt (only one visible
from this view
washer
Figure 1-13: Install the Connecting Arms
1-10
Eddy Current Brake Installation Guide
INSTALLINGTHE DYNO SHAFT COUPLER
1Replace the existing set screw in the key way of each coupler with the thread-lock
set screws provided.
Note: Replace the dyno shaft coupler set screw before installing the coupler on
the shaft.
set screw
EDDY CURRENT BRAKE INSTALLATION
Eddy Current Brake
key way
eddy current brake coupler
Figure 1-14: Replace the Coupler Set Screws
2Insert the key into the keyway.
3Slide the coupler over the key on the axle.
Note: Do not tighten the set screw in the coupler.
key way
set screw
dyno shaft coupler
coupler
key way
Figure 1-15: Install the Dyno Shaft Coupler
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CHAPTER 1
Eddy Current Brake
CONNECTINGTHE EDDY CURRENT BRAKE
The following instructions and figures show the eddy current brake mounting to the
left side of the dyno; however, the instructions are the same for both left and right
side installations.
Use the following instructions to install the eddy current brake to both the standard
and high inertia drums. If you have a high inertia drum, refer to Appendix B for
installation details.
1If not already removed, remove the bolts and washers from the dyno frame as
shown in Figure 1-16.
remove
do not remove
remove
Figure 1-16: Remove the Connecting Bolts from the Dyno
2Place the eddy current brake next to the dyno.
3Line up the connecting arms with the dyno and loosely attach the arms to the
dyno using four 3/8-inch bolts and 3/8-inch washers for each arm. These bolts
need to remain loose in order to align the brake
Note: If you have an older dyno with no threaded insert, you will also need to use
3/8-inch nuts with threadlock on the inside of the dyno side panel.
1-12
Eddy Current Brake Installation Guide
Figure 1-17: Connect the Eddy Current Brake
ALIGNINGTHE EDDY CURRENT BRAKE
Eddy current brake and coupler alignment is very important. You must follow
these instructions very carefully to ensure proper alignment and function.
Dynojet will not warranty any coupler that is damaged due to improper
installation.
1Place a straight edge with a notch across the apex of the drum with the notch
across the eddy current brake.
2Using the straight edge as a guide, measure the distance to the collars on the axle
shaft of the eddy current brake (not the black bearing lock collars).
3Place shims between the floor and the eddy current brake or dyno until the
collars are 7 19/32-inch (19.288 cm), +/- 1/16-inch (1.58 mm), down from the top
of the drum on the dyno.
4Torque all the bolts securing the connecting arms to the dyno and to the eddy
current brake to 33 ft. lb. (45 N-m). Verify the height and make sure nothing has
moved.
EDDY CURRENT BRAKE INSTALLATION
Eddy Current Brake
straight edge
with notch
7 19/32 inches
(19.288 cm)
eddy current
brake
collars on axle shaft
Figure 1-18: Align the Eddy Current Brake
connecting arms
drum
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CHAPTER 1
Eddy Current Brake
COUPLINGTHE EDDY CURRENT BRAKE
Coupler alignment is very important. You must follow these directions very
carefully to ensure proper alignment and function. Dynojet will not warranty
any coupler that is damaged due to improper installation.
1Slide the dyno coupler over the eddy current brake coupler so the three holes in
each of the couplers line up.
2Secure the couplers together using three 3/8-inch bolts and tighten to 33-37 ft. lb.
(45-50 N-m).
3Verify the key has not moved laterally.
4Tighten the set screws in the couplers to 24 ft. lb. (29-33 N-m).
set screws
bolts
Figure 1-19: Secure the Couplers
SECURINGTHE EDDY CURRENT BRAKE
Note: Dynojet recommends you anchor the dyno to the floor in your dyno room
as well.
1Install the Red Head Anchors. Refer to Appendix A for Red Head Anchor
installation instructions.
2Secure the eddy current brake to the ground.
This section describes how to install the Theta Controller, make power adjustments,
and replace the fuses.
ADJUSTINGTHE POWER
Newer Theta Controllers are capable of operating at either 60 Hz or 50Hz and are able
to compensate for a lower AC line voltage allowing improved performance under
varying AC power conditions. Each Theta Controller is designed for either the 240
VAC or the 120 VAC range and are not interchangeable. Each eddy current brake is
wired for either 240 VAC or 120 VAC operation and must match the specific Theta
Controller for the desired line voltage.
To determine whether a Theta Controller is capable of power adjustments, look for a
metal plug on the bottom of the Theta Controller. Refer to Figure 1-21. If this metal
plug is not present, the Theta Controller is not capable of power line frequency
selection. Continue with the installation instructions.
Hazardous voltage. To avoid risk of electrical shock, disconnect the power cord
to the Theta Controller. Do not remove the cover. No user serviceable parts
inside.
Theta Controller
The two dip switches are the only adjustments that can be altered. Be sure not
to damage any other parts on the circuit board. Do not attempt any other
adjustments.
Dynojet recommends you set the dip switches at the time of installation.
1Remove the metal plug from the bottom of the Theta Controller.
2Use a small screwdriver to set the dip switches for the desired line voltage.
Refer to “120 VAC Theta Controller (P/N 66411002)” on page 1-16 and “240 VAC
Theta Controller (P/N 66411003)” on page 1-17 for more information on dip
switch settings.
3Replace the metal plug.
metal plug
Figure 1-21: Theta Controller—Metal Plug
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CHAPTER 1
Theta Controller
120 VAC THETA CONTROLLER (P/N 66411002)
The 120 VAC Theta Controller is designed for operation in North America and Japan
and is identified by a single external fuse holder. This controller is nominally
calibrated for 115 to 120 VAC line voltage; in Japan, the nominal line voltage is 100
VAC and the dip switch on the Theta Controller can be set to compensate for the
reduced line voltage while still providing the full output current of 20 amps.
Note: This controller cannot be converted to operate on 240 VAC line voltage.
Power Line Frequency Adjustment—The Theta Controller is shipped with the dip
switch set for 60 Hz. For all of North America, this switch should be set to the 60 Hz
position. In Japan, there may be either 50 Hz or 60 Hz power line frequency;
determine the correct line frequency and set the switch accordingly.
Power Line Voltage Adjustment—The Theta Controller is shipped with the dip
switch set for normal (NORM) line voltage. In the NORM position, the controller is
calibrated for a nominal 115 to 120 VAC line voltage. For all of North America, this
switch should be set to the NORM position. In Japan, the nominal line voltage is rated
for 100 VAC and the dip switch should be set to the LO position.
In some cases in North America, it may be necessary to set the dip switch to the LO
position when the AC line voltage is consistently around or below 110 VAC and
combined with reduced brake performance.
• Measure the AC line voltage with all normal AC loads running in the shop (lights,
heater, etc.).
• If the line voltage is reduced to or below 110 VAC and remains at these levels, move
the switch to the LO position. This will boost the output current with the lower AC
power voltages.
Note: Be sure to review and comply with the model 250 motorcycle dyno
installation requirements before setting the dip switch to the LO position. The
Theta Controller should be on its own dedicated AC power circuit.
Note: If the AC power voltage returns above the 115 VAC range while the dip
switch is set to LO, overheating and damage to the eddy current brake or fuse
failure may result. Review the LO/NORM dip switch position setting and re-
measure your incoming AC line voltage.
1-16
Eddy Current Brake Installation Guide
Figure 1-22: Theta Controller—North America 120 VAC Dip Switch Settings
EDDY CURRENT BRAKE INSTALLATION
Theta Controller
240 VAC THETA CONTROLLER (P/N 66411003)
The 240 VAC Theta Controller is identified by the two external fuse holders. The 240
VAC Theta Controller is calibrated for a nominal 230 to 240 VAC line voltage; in
certain countries, line voltages of 210 to 220 VAC may be encountered and the dip
switch can be set to provide full output current of 10 amps even with the reduced line
voltage.
Note: This controller cannot be converted to operate on 120 VAC line voltage.
Power Line Frequency Adjustment—The Theta Controller is shipped with the dip
switch set for 50 Hz. Determine the correct line frequency and set the switch
accordingly.
Power Line Voltage Adjustment—The Theta Controller is shipped with the dip
switch set for normal (NORM) line voltage. In the NORM position, the controller is
calibrated for a nominal 235 to 240 VAC line voltage.
In some cases in Europe, it may be necessary to set the dip switch to the LO position
when the AC line voltage is consistently around or below 225 VAC and combined with
reduced brake performance.
• Measure the AC line voltage with all normal AC loads running in the shop (lights,
heater, etc.).
• If the line voltage is reduced to or below 225 VAC and remains at these levels, move
the switch to the LO position. This will boost the output current with the lower AC
power voltages.
Note: Be sure to review and comply with the model 250 motorcycle dyno
installation requirements before setting the dip switch to the LO position. The
Theta Controller should be on its own dedicated AC power circuit.
Note: If the AC power voltage returns above the 230 VAC range while the dip
switch is set to LO, overheating and damage to the eddy current brake or fuse
failure may result. Review the LO/NORM dip switch position setting and re-
measure your incoming AC line voltage.
Figure 1-23: Theta Controller—Europe and Australia 240 VAC Dip Switch Settings
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CHAPTER 1
Theta Controller
DRILLINGTHE MOUNTING HOLES
Depending on the age of your dyno, you may need to drill the holes needed to mount
the Theta Controller. If your dyno already has the required holes, skip these steps and
continue with the installation.
LEFT SIDE INSTALLATION
1Locate the template for left side installations included with the control box.
This template can also be found in Appendix D.
2Locate the large hole on the left side of the dyno. This hole should have four
smaller holes around it.
3Place the template on the dyno. Line the template up using the large hole and the
four smaller holes around it.
4Mark and drill the four mounting holes to 3/16-inch (5 mm).
Note: Make sure no metal chips come in contact with the electrical components.
large hole
template
Figure 1-24: Theta Controller—Drill Mounting Holes on Left Side
1-18
Eddy Current Brake Installation Guide
RIGHT SIDE INSTALLATION
1Locate the template for right side installations included with the control box.
This template can also be found in Appendix D.
2Place the template on the dyno. Line the template up using the existing hole and
the bottom lip of the dyno frame.
3Mark and drill the three mounting holes to 3/16-inch (5 mm).
Note: Make sure no metal chips come in contact with the electrical components.
Breakout board
template
EDDY CURRENT BRAKE INSTALLATION
Theta Controller
existing hole
Figure 1-25: Theta Controller—Drill Mounting Holes on Right Side
Vers ion 8Eddy Current Brake Installation Guide
1-19
CHAPTER 1
Theta Controller
INSTALLINGTHE THETA CONTROLLER—LEFT SIDE
The Theta Controller is mounted on the left side of the dyno regardless of which side
the eddy current brake is on. The only exception is when the air brake is mounted on
the left side and the eddy current brake is mounted on the right side. Refer to
“Installing the Theta Controller—Right Side” on page 1-22 for more information.
Be sure to set the dip switch power settings before installation.
1Attach the input power cable to the Theta Controller as shown in Figure 1-27.
2Place the large rubber grommet over the plug on the eddy current brake power
cable.
3Route the brake power cable through the dyno as shown in Figure 1-27 and attach
the cable to the Theta Controller. Secure the rubber grommet in the hole.
4Secure the Theta Controller to the dyno using four No. 8 screws and lock
washers.
1-20
Eddy Current Brake Installation Guide
Figure 1-26: Theta Controller—Install on Left Side
EDDY CURRENT BRAKE INSTALLATION
Theta Controller
5Route the input power cable under and out the front of the dyno.
6Insert the smaller rubber grommet as shown in Figure 1-27.
7Route the temperature sensor cable from the eddy current brake through the
dyno to the Breakout board.
8Route the control cable from the Theta Controller to the Breakout board.
brake power
cable
large
grommet
control cable
Figure 1-27: Theta Controller—Routing the Cables on Left Side
small
grommet
Breakout board
temp sensor
cable
input power
cable
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CHAPTER 1
Theta Controller
INSTALLINGTHE THETA CONTROLLER—RIGHT SIDE
1Install the Theta Controller using four No. 8 screws and washers. The screws will
mount from the inside of the dyno.
Figure 1-28: Theta Controller—Install on Right Side
2Attach the input power cable to the Theta Controller and route the input power
cable along the side of the dyno.
3Attach the eddy current brake cable to the Theta Controller.
Note: Make sure the brake power cable is clear of the coupler.
4Attach the temperature sensor cable from the eddy current brake to the Breakout
board.
5Attach the control cable from the Theta Controller to the Breakout board.
temp sensor cable
Breakout board
brake power
cable
Figure 1-29: Theta Controller—Routing the Cables on Right Side
control cable
input power cable
1-22
Eddy Current Brake Installation Guide
WIRING
EDDY CURRENT BRAKE INSTALLATION
Theta Controller
1Remove the four screws securing the Breakout board and cover. Set the cover
aside.
Breakout board
and cover
Figure 1-30: Theta Controller—Remove the Breakout Board Cover
2Attach the temperature cable to the Breakout board. The temperature cable has
five wires which connect to the wiring block labeled TEMP.
• Green wire connects to G1• White wire connects to W1
• Black wire connects to B1• Red wire connects to R1
• Ground (shield) wire connects to S1
3Attach the control cable to the Breakout board. The control cable has five wires
which connect to the wiring block labeled LOAD CONTROL.
• Black wire connects to V-• Red wire connects to V+
• White wire connects to O+• Green wire connects to O-
• Ground (shield) wire connects to SH
4Verify jumpers J1 and J2 are set either for the eddy current brake only or for the
eddy current and air brake as shown in Figure 1-31.
5Replace the Breakout board cover using the four screws removed earlier.
load control
eddy current brake only
jumper settings
jumpers
J1 and J2
temp
eddy current and air
brake jumper settings
Figure 1-31: Theta Controller—Breakout Board Wiring and Jumper Settings
Vers ion 8Eddy Current Brake Installation Guide
1-23
CHAPTER 1
Theta Controller
REPLACINGTHE FUSE
Older Theta Controllers have an internal fuse. Refer to Appendix C for more
information on replacing an internal fuse.
Hazardous voltage. To avoid risk of electrical shock, disconnect the power cord
to the Theta Controller before replacing the fuse. Do not remove the cover. No
user serviceable parts inside.
1Remove the Theta Controller from the dyno. Refer to Figure 1-26 or Figure 1-28.
2Gently push the fuse holder slightly inward and rotate counterclockwise to
remove.
3Replace the fuse. Refer to the table on page 1-25 for fuse replacement types.
For continued protection against risk of fire, replace only with a fuse of the
same type and having the same electrical rating.
1-24
Eddy Current Brake Installation Guide
Figure 1-32: Theta Controller—Replace the Fuse
EDDY CURRENT BRAKE INSTALLATION
Theta Controller
To determine whether you have a 120 volt or 240 volt Theta Controller, look at
the serial number/fuse(s) on the Theta Controller. If the serial number begins
with an “E”, and the control box has dual fuses, then it is a 240 volt unit; if the
serial number does not begin with an “E” and the control box has a single fuse,
then it is a 120 volt unit.
120 volt, single fuse
North America
Theta Controllerreplacement fuse
240 voltBuss P/N BAF-15, 15A Fuse
120 voltBuss P/N BAF-25, 25A Fuse
Note: Changing the fuse rating to the higher or lower specification does not allow
you to use the Theta Controller with an eddy current brake that was wired for
120 volt or 240 volt originally. Refer to “Verifying the Eddy Current Brake Wiring
Configuration” on page 1-26.
Note: If the eddy current brake has been rewired to a different voltage, you will
need a different Theta Controller. The original Theta Controller will not work.
Figure 1-33: Theta Controller—Determine the Type
Little Fuse, KLK 15
Fast Blow, Dynojet P/N 54211201
Little Fuse, KLK 25
Fast Blow, Dynojet P/N 54202501
240 volt, dual fuses
Europe/Australia
Vers ion 8Eddy Current Brake Installation Guide
1-25
CHAPTER 1
Theta Controller
CHANGINGTHE INPUT POWER CABLE PLUG
If the input power cable is not provided with a power plug, you must install the
correct power plug for your country. The input power cable plug must connect to a
properly grounded outlet and be easily accessible so that it may be disconnected. Do
not wire the input power cable directly into the power panel. Refer to Figure 1-34 for
individual wire descriptions.
Note: The eddy current brake is set up to run on 120 volts/20 amps/60 Hz for
North America and 240 volts/10 amps/50 Hz for Europe/Australia.
Note: The voltage source and power plug must be capable of handling a
minimum of 20 amps for North America and 10 amps for Europe/Australia.
neutral—clear or white
insulation wire
hot—black insulation wire
ground—bare or
green wire
Figure 1-34: Theta Controller—Input Power Cable Plug
VERIFYINGTHE EDDY CURRENT BRAKE WIRING CONFIGURATION
Refer to Figure 1-35 to determine whether the eddy current brake is currently wired
for 120 or 240 volt operation.
120 volt wiring, North America
Figure 1-35: Theta Controller —Eddy Current Brake Wiring
Use the following instructions to assemble and install the hood upgrade or to attach
the eddy current brake cover to your existing hood.
ASSEMBLINGTHE HOOD
1Verify that the dyno hood side panel is on the correct side for your eddy current
brake. You may have to remove the side panel and move it to the opposite side for
your particular installation.
dyno hood set up for left side
installation
Hood Upgrade
Figure 1-36: Dyno Hood Side Panel
2Place the eddy current brake cover in position next to the dyno hood.
Note: Place the front and rear flanges of the eddy current brake cover on the
inside of the dyno hood. Place the top flange of the eddy current brake cover on
top of the dyno hood.
3Secure the eddy current brake cover to the dyno hood using the six 1/4-inch
button head screws and locking nuts.
eddy current brake cover flange on
dyno hood
eddy current brake cover flange on the
inside of the dyno hood
Figure 1-37: Secure Eddy Current Brake Cover to Dyno Hood
top of the dyno hood
eddy current
brake cover
Vers ion 8Eddy Current Brake Installation Guide
1-27
CHAPTER 1
Hood Upgrade
INSTALLINGTHE HOOD
1Verify the bolts and the set screws on the couplers are tight.
2Connect the battery.
3Carefully place the hood on the dyno leaving it propped up. Secure the key
switch, if present.
4Lower and secure the hood using the four bolts removed earlier.
Verify the hood is not pinching or contacting any cables or wires.
Figure 1-38: Install the New Dyno Hood
5Secure the hood clamps to the brake using the two bolts you removed earlier.
6Secure the brake cover using the four bolts you removed earlier.
Never operate the dyno with this cover removed.
7Plug the input power cable into a wall outlet.
brake cover
hood clamps
Figure 1-39: Secure the Hood Clamps and Brake Cover
1-28
Eddy Current Brake Installation Guide
R
ED
H
EAD
A PPENDIX
A
A
NCHOR INSTALLATION
This appendix contains instructions for installing the Red Head Multi-Set™II Anchors.
The anchors will be used to secure the dyno to concrete. To ensure safety and
accuracy in the procedures, perform the procedures as they are described. Be sure to
read and understand the warnings included in this appendix.
WARNINGS
Always wear safety glasses and other necessary protective devices or apparel
when installing or working with anchors.
ITW Ramset/Red Head Multi-Set II Anchors are designed to operate properly
only when installed with ITW Ramset/Red Head brand Setting Tools.
The use of a 24 to 40 ounce hammer is recommended for expanding Multi-Set II
anchors.
The use of carbide drill bits manufactured with ANSI B94. 12-77 drill bit diameter
requirements is recommended for installation of this anchor.
Not recommended for use in lightweight masonry material such as block or brick.
Use of core drills is not recommended to drill holes for use with this anchor.
Not recommended for use in new concrete which has not had sufficient time to cure.
Anchor spacing and edge distance requirements (anchor installation locations) are
the responsibility of the engineer of record.
CONTACT INFORMATION FOR ITW RAMSET/RED HEAD
Contact ITW Ramset/Red Head at 1-630-350-0370, or 1300 North Michael Drive,
Wood Dale, IL 60191.
Use the table below to determine the catalog number, drill bit size, minimum hole
depth, and setting tool catalog number.
catalog numberdrill bit sizeminimum hole depth
Carbon Steel
RM-38/RL-38 (9.5 mm)
Use the following instructions to install the Red Head anchors.
1Drill the hole in the concrete the same outside diameter as the anchor being used
to any depth exceeding minimum embedment.
1/2-inch1 5/8-inch (41.2 mm)RT-138
setting tool
catalog number
Figure A-1: Red Head Anchor—Drill the Hole
2Insert the anchor.
anchor
Figure A-2: Red Head Anchor—Insert the Anchor
A-2
Eddy Current Brake Installation Guide
RED HEAD ANCHOR INSTALLATION
Installation
3Using a hammer, drive the anchor flush with the surface of the concrete, or below
the surface if the hole depth exceeds minimum embedment.
Figure A-3: Red Head Anchor—Drive the Anchor Flush
4Using a hammer, expand the anchor with the setting tool. The anchor is properly
expanded when the shoulder of the setting tool is flush with the top of the
anchor.
Note: Use only Ramset/Red Head setting tools to insure proper installtion.
setting tool
Figure A-4: Red Head Anchor—Expand the Anchor
Vers ion 8Eddy Current Brake Installation Guide
A-3
A PPENDIX
B
H
IGH INERTIA
D
Older high inertia dynos may not have threaded mounting holes for the eddy current
brake. You will need to use nuts to secure the brake to the dyno. This appendix
contains instructions for mounting the eddy current brake to the older high inertia
dyno.
For continued protection against risk of fire, replace only with a fuse of the
same type and having the same electrical rating.
To determine whether you have a 120 volt or 240 volt early style Theta Controller,
look at the serial number on the Theta Controller. If it begins with an “E”, then it
is a 240 volt unit; if it does not begin with an “E”, then it is a 120 volt unit.
Theta Controllerreplacement fuse
240 voltBuss P/N FNQ-15, 15A TIme Delayed Fuse
120 voltBuss P/N FNQ-25, 25A Time Delayed Fuse
Note: Changing the fuse rating to the higher or lower specification does not allow
you to use the Theta Controller with an eddy current brake that was wired for
120 volt or 240 volt originally. Refer to “Verifying the Eddy Current Brake Wiring
Configuration” on page 1-26.
Note: If the eddy current brake has been rewired to a different voltage, you will
need a different Theta Controller. The original Theta Controller will not work.
C-2
Eddy Current Brake Installation Guide
M
OUNTING
A PPENDIX
D
T
EMPLATES
Depending on the age of your dyno, you may need to drill the holes needed to mount
the Theta Controller. This appendix contains the templates needed to locate and
place the mounting holes for both left and right side installations.
This appendix contains the following templates:
• Theta Controller Mounting Hole Drill Template For Left Side Mounting
• Theta Controller Mounting Hole Drill Template For Right Side Mounting
Eddy Current Brake Installation Guide
D-1
THETA CONTROLLER MOUNTING HOLE DRILL
TEMPLATE FOR LEFT SIDE MOUNTING
EXISTING HOLES
P:\Templates\ Left Theta template 12/13/01
UP
(102mm)
4.00IN
(222mm)
8.75IN
DRILL 3/16" (5mm)
4 PLACES
THETA CONTROLLER MOUNTING HOLE DRILL
DRILL 3/16" (5MM) HOLES
IN THREE LOCATIONS
TEMPLATE FOR RIGHT SIDE MOUNTING
EXISTING HOLE
P:\Templates\ right theta template 12/13/01
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