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BRAKE LOCK TROUBLESHOOTING GUIDE
MICO® Brake Locks are for supplemental parking and are to be used in conjunction with a vehicle's mechanical parking brake. They perform as an operational holding brake only and are not intended to be used for prolonged parking. All MICO® Brake Locks include low pressure warning switch(s) for added safety. There are several types of brake locks available for use on single, dual, split, or anti-lock brake systems. What type of MICO® Brake Lock do you have? 691 Brake Lock System
A system consists of a small electrohydraulic pump, remote mounted actuator (single and/or dual), electronic control module, and a small dash mounted user interface. The operator simply activates a switch and the 691 System automatically applies, monitors, and maintains brake-locking pressure. Troubleshooting information on the MICO 691 Brake Lock System starts on page 16 of the Operation and Installation Instructions below. 690 Brake Lock System
Dualock
Troubleshooting information on the MICO Dualock starts on page 4 of the Installation and Service Instructions below. Lever Lock
Troubleshooting information on the MICO Lever Lock starts on page 4 of the Installation and Service Instructions below. Twist Lock
Troubleshooting information on the MICO Twist Lock starts on page 4 of the Installation and Service Instructions below. Cable Lock
Troubleshooting information on the MICO Cable Lock starts on page 4 of the Installation and Service Instructions below. Electric Lock
A MICO Electric Brake Lock can be used in many different vehicle applications, however, it is not recommended for use in frequent stop applications or emergency vehicle applications. Troubleshooting information on the MICO Electric Lock starts on page 4 of the Installation and Service Instructions below. |
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The MICO 691
Brake Lock System locks hydraulic pressure in the service brakes
to supplement the vehicle's mechanical parking brake and provide
extra holding in heavy-duty high frequency applications. These
systems also function as an interlock to apply pressure to the
service brakes when other vehicle mounted equipment is being used.
MICO 690 Brake
Lock Systems are no longer in production. They have been replaced
by the MICO 691 Brake Lock Systems. The 690 Systems and the 691
Systems are functionally the same. Component improvements are
basically the difference.
A MICO Dualock
is designed to supplement a vehicle's standard parking brake by
utilizing the hydraulic service brakes of a vehicle equipped with
a dual or split braking system. This brake lock is cable operated.
Dualocks can provide 4-wheel lockup for hydraulic dual brake systems
or rear wheel ABS. They can also provide 2-wheel lockup for hydraulic
3 and 4 channel ABS. Dualocks include two low pressure warning
switches.
The MICO Lever
Lock is designed to supplement a vehicle's standard parking brake
by utilizing the hydraulic service brakes. Lever Locks are manually
operated one-way check valves, which lock fluid under pressure
in the selected brakes. Hand operation leaves the operator's feet
free for clutch and throttle pedal operation. Lever Locks include
one low pressure warning switch.
MICO Twist
Locks are functionally the same as lever locks. There are two
differences. A Twist Lock has a rotary action handle and the internal
push rod is sealed and lubricated with silicone grease for tough
environmental applications. Twist Locks include one low pressure
warning switch.
A MICO Cable
Lock is functionally the same as a lever lock or a twist lock.
The difference being a Cable Lock is cable operated for remote
mountings when space under the dash is limited. Cable Locks include
a low pressure warning switch.