Helpful Hint! Before you begin the initial installation, verify that you have
power in the towed vehicle's 12 volt outlet (with the key in the "tow" position).
Some new vehicles only have power at the outlet when the vehicle is running.
If you do not have power, you can install Roadmaster’s optional 12 volt outlet
kit number 9332. When installed, this outlet will provide power even when the
engine is off.
Important! Some vehicles do not have 15 amps of power going to the
cigarette outlet. This system requires 15 amps of power. It will not function
properly with less than 15 amps. To remedy this situation, refer to the “install
optional 12 volt 20 amp power” section in this manual.
1. Remove the braking system components from box and attach adjustable
seat pad to the unit using the adjustment knob. The adjustable seat
pad also functions as a carrying handle.
2. Adjust driver’s seat to rearmost position.
3. Place the unit between driver’s seat & brake pedal in the
approximate position it will sit in when connected to the brake pedal.
Helpful Hint! The braking system may be placed in the vehicle without the
handle attached if that provides the best fit.
4. Make sure that all of the air in the system has been released by
depressing the air relief button. Any remaining air in the system will
prevent the cylinder from extending when trying to connect to the car’s
brake pedal.
5. Disengage catch on pedal clamp as shown in Figure 1 and fully open pedal clamp.
DO NOT PLUG INTO CIGARETTE
LIGHTER AT THIS TIME.
Doing so may cause unexpected operation the braking
system resulting in personal injury or property damage.
CAUTION
!
3
Installation
READ ALL INSTRUCTIONS FIRST BEFORE
INSTALLATION OR OPERATING.
Never plug this unit into 12 volt outlet until braking system is
completely connected to brake pedal and installed according to
installation instructions. Once it receives power, any movement of the box could cause the unit to
activate unexpectedly. Similarly, never try to un-install the unit without first unplugging the 12 volt
cord. Failure to install and operate the braking system as instructed may result in property damage,
personal injury or death.
WARNING:
!
Not for use on older vehicles without power brakes. This system is
designed to work with vehicles that have a power brake system (even
though the power brakes are not activated while towing). Using this unit on vehicles that do not have
power brakes will result in over-braking and severe non-warranty brake damage.
WARNING:
!
Important! Although this system fits most vehicles as is, with no modifications needed, it may be necessary in some
cases to gain additional clearance over obstructions on the floor. In other cases, it may be necessary to extend the reach
of the unit to ensure a secure and stable fit. To accommodate every possible floor configuration and contour, Roadmaster
has developed cylinder arm extensions in two sizes (#9336 and #9336-3), as well as feet extensions (#9337 and #9337-
4). These extensions allow you to install in virtually any vehicle. The cylinder arm extensions increase the reach of the
the unit. Use a cylinder arm extension if the distance between the driver's seat and the brake pedal is too far to maintain
a secure anchor point between the driver's seat and the braking system’s seat pad - If the unit is properly installed to the
brake pedal and there is a gap between the seat and the seat adjustment pad, use a cylinder extension of the appropri-
ate length. Use one or more foot extensions to elevate over obstructions such as duct work, a door jam or a center
console that juts into the available space, or if the floor is significantly out of level.
For further information, refer to "Optional Equipment" on page 15.
Figure 1a
Figure 1b
Adjustment
lock
Figure 1
Pull
Lock nut
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