Ranger boats 522VX Owner's Manual page 62

INSPECTION
To assure continued proper operation of our trailer disc brakes, annual
inspection is recommended.
BRAKE LOCKOUT INSTRUCTIONS
Brake lockout is useful in situations where you need to back over soft
ground or up a hill while electric solenoid is disconnected.
When hitch is fully extended, press down reverse lockout cap and turn
clockwise to manually lockout brakes (see Fig. 14, below). Lockout
should return to normal position under forward pressure.
Press down and turn counter-clockwise to remove reverse lockout
cap to check brake fluid.
Your RangerTrail Trailer
®
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