2021 OWNERS MANUAL / 416
is not reduced. This type of brake recovers quickly after being
submerged. They also require less maintenance, are easier to
flush out, and are less susceptible to water-induced corrosion.
MasterCraft uses two kinds of brakes. Surge brakes are standard
and are designed to energize automatically when the tow vehicle’s
brakes are applied. Electric over hydraulic trailer breaks operate
by electronically alerting the trailer breaks when the tow vehicle
breaks have been activated.
NOTE: Some jurisdictions do not allow surge brakes. Always check
within the locality in which you will be towing.
NOTE: For information regarding optional electric over hydraulic
brakes, consult the HydraStar Trailer Braking Systems manual
included in your owner’s packet.
Surge Brakes: When the vehicle slows down or stops, the forward
momentum (surge) of the trailer against the hitch ball develops
hydraulic pressure in a master cylinder inside the trailer brake
actuator. Hydraulic lines are used to transfer pressure to the brakes
and engage them.
In most states, trailers with a Gross Vehicle Weight Rating (GVWR)
of 1,500 lbs. or more are required to have brakes on all wheels.
(Auto manufacturers recommend brakes even with lighter trailers.)
Trailer brakes must be maintained in good working condition
at all times. Have the brake system inspected by an authorized
BRAKING SYSTEM
Disc brakes oer several advantages over drum brakes. Disc
brakes have improved resistance to fade on downhill grades.
They are self-adjusting, so as the pads wear, braking eciency
and possibly moved to a dierent location on
the trailer. Occasionally, wheels that are out
of balance will wear like this, but wheel imbal-
ance usually shows up as bald spots between
the outside edges and center of the tread.
Second-Rib Wear
Second-rib wear is normally found only in
radial tires, and appears where the steel
belts end in relation to the tread. Normally, it
can be kept to a minimum by paying careful
attention to tire pressure and frequently
rotating the tires. Some tire manufactures
consider a slight amount of wear at the
second rib of a radial tire to be normal, but
excessive amounts of wear indicate that the
tires are too wide for the wheels. Be careful
when having oversized tires installed on
narrow wheels.
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