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TRoubleshooting Guide
Trailer Brakes Drag After Release
Malfunction
a. Breakaway check valve
malfunctioning.
b. Hand control partially applied.
c. Control vacuum line restricted.
d. Caliper or wheel cylinder
frozen.
e. Dash or engine check valve
missing or not holding
vacuum.
f.
Mashed or criimped hydraulic
lines on trailer.
Corrective Action
a. Replace spring and clean
break away valve.
b. Release hand control or
adjust.
c. Remove restriction or replace
line.
d. Repair or replace.
e. Clean and check valve or
replace with new.
f.
Replace mashed or crimped
section.
Trailer Brakes Will Not Lock Up
Malfunction
a. Trailer
overloaded.
b. Incorrect size combo valve.
c. Air in trailer hydraulic system.
d. Booster at maximum stroke.
e. Vacuum
low.
f.
Slave booster out of hydraulic
fluid.
g. Combo valve connected into
low pressure side of frame
mounted booster.
Corrective Action
a. Reduce load carried.
b. Install proper size valve.
c. Rebleed hydraulic system.
d. Rebleed hydraulic system or
replace booster.
e. Stop vacuum leak or repair
truck engine.
f.
Refill reservoir and check for
leaks
g. Connect into high pressure
side of booster.
Содержание GOOSENECK LIVESTOCK
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