IMPORTANT NOTICE!
Safety Definitions
These instructions contain information that is very important to know and understand. This information is pro-
vided for safety and to prevent equipment problems. To help recognize this information, observe the following
symbols:
WARNING indicates a potentially hazardous situ-
ation which, if not avoided, could result in property
damage, serious personal injury or even death.
CAUTION indicates a potentially hazardous situ-
ation which, if not avoided, may result in property
damage, or minor or moderate personal injury.
CAUTION
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which,
if not avoided, may result in property damage.
NOTE
Refers to important information and is placed in italic
type. It is recommended that you take special notice
of these items.
InvisiBrake specifications
Controller height ..........................................2¾ inches
Controller width ...........................................8¾ inches
Controller length ..........................................8¾ inches
Voltage .......................................................12 volts DC
Fuse size ......................................................... 20 amp
Operating temperature range
............................... -2° to
+
150° F (-19° to
+
66° C)
Maximum amperage draw ...........................10.8 amps
Idle amperage draw ............................................. 6 mA
Battery recharging rate ...........................up to 2 amps
Approximate maximum air pressure .................. 80 psi
Read all instructions before operat-
ing InvisiBrake. Failure to understand
how to operate InvisiBrake could result
in property damage, personal injury or
even death.
Welcome to the ROADMASTER family!
This manual has been prepared to acquaint you with the installation, operation, care and mainte-
nance of your InvisiBrake, and to provide you with important safety information.
Read your owner’s manual cover to cover. Understand how to install and operate your Invisi-
Brake, and carefully follow the instructions and safety precautions.
We thank you for your patronage and greatly appreciate your discerning taste.
The InvisiBrake serial number…
…is on a label on the side of the controller. You
will need this number when you fill out your product
registration card.
Write down the serial number in the space below
and retain for future reference.
Serial number:
Save this manual
Save this manual for future reference. It contains im-
portant information relative to safety and use. There-
fore, make sure this manual is always with you when
you’re towing. You can download or print a copy of the
most current manual at www.roadmasterinc.com (under
‘Support').
All illustrations and specifications contained herein are based on
the latest information available at the time of publication. ROADMAS-
TER, Inc. reserves the right to make changes, at any time, without
notice, in material, specifications and models, or to discontinue
models.
IMPORTANT
Roadmaster does not recommend installing In-
visbrake on diesel vehicles with hydroboost power
assist brakes. These vehicles do not use a tradi-
tional power brake booster and Invisibrake will not
provide enough braking force.
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