Coupling To The Tow Vehicle
Bri-Mar
68
The trailer safety chains' length MUST be set short enough so the
actuator's breakaway chain is NOT pulled if the coupler separates from
the tow vehicle's hitch but remains connected by the safety chains. The
breakaway system will be activated if BOTH the trailer's coupler AND
safety chains have failed, allowing the trailer to completely separate from
the tow vehicle. Provide just enough slack in the trailer safety chains to
allow tight turns. The chains should not drag on the ground. Safety
chains must be used. When towing, avoid sharp turns which can cause
the actuator to bind against the tow vehicle. This can damage the
actuator and trailer, causing brake failure. Avoid towing across severe
bumps or dips which may cause the tow hitch to lever against the
actuator/coupler and compromise the connection.
4.2.7.1 Testing The Surge Brake Operation (If Equipped)
Hydraulic surge actuator systems provide automatic and smooth trailer
braking without special application by the tow vehicle driver. While this
is extremely convenient it can sometimes be difficult to determine if the
surge setup is functioning properly. The following steps provide a quick
field-test to confirm that the trailer brake system is operational.
^
W
ARNING
The field-test procedure indicates only if the trailer brake system is
functional, but DOES NOT provide information on how efficiently it will
operate.
Regular inspection, maintenance, and adjustment of all brake system
components (including the surge actuator, tubing, hoses, brake clusters,
drums, and associated hardware/support structure) are still required to
ensure maximum brake performance and smooth, even brake operation.
Move the trailer to flat, level ground, pulling
FORWARD
several feet
before parking. This forward motion will ensure trailers equipped with
free-backing brakes are in their normal operating mode. Disconnect the
trailer from the tow vehicle and jack up the trailer's tongue until it is
horizontal.
Hook the trailer's safety chains (NOT the actuator's breakaway
cable/chain) together to form a loop, which is centered below the
Trailers
Summary of Contents for DT508LP
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