Brake Lockout
When backing up, the coupler will move back and apply the trailer
brakes. The brakes will apply at different levels depending on how
fast you back up, the type of brakes, the road or surface, and the po-
sition/angle of the trailer. All MasterCraft trailers have an electrical
solenoid control to allow the trailer to back up. This control is wired
to the back-up lights on the tow vehicle, and when the tow vehicle
is put into reverse, this control does not allow the trailer brakes to
apply.
Manual Brake Lockout for the Actuator
If the trailer needs to be moved while in reverse and without elec-
trical connections to operate the reverse lock-out solenoid, the
safety pin can be used to manually keep the coupler from applying
pressure to the master cylinder. Place the pin in the hole at the front
of the actuator housing. Remove the pin IMMEDIATELY after backing
up and replace in the coupler position to lock the coupler.
Failure to do so will cause the loss of brake power when the trailer is
towed.
The reverse lockout option must only be used when moving in
reverse. Immediately remove the pin prior to towing and fully insert
it into the coupler latch.
Manual Bleeding Of Brakes
The following procedure should be performed only by skilled
mechanics. MasterCraft recommends that it be completed only by
an authorized MasterCraft dealer.
Check that all hydraulic fittings are secure. Read and understand
all instructions before starting. Two people are required for manual
bleeding.
Remove the master cylinder reservoir cap and fill the reservoir with
brake fluid. Use either DOT 3 (preferred) or DOT 4 automotive brake
fluid. DO NOT USE DOT 5 BRAKE FLUID. DOT 5 FLUID WILL DAMAGE
THE SEALS IN THE ACTUATOR AND CALIPERS CAUSING FAILURE
OF BRAKES THAT COULD LEAD TO INJURY OR DEATH.
(See recommended brake fluid information in this section of the
Owner’s Manual.)
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