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Demco DA66B User Manual

Demco DA66B
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Page 2
Model DA66B is a hydraulic surge brake actuator for trailers with two or four wheels.
When brakes are applied on the towing vehicle, forward inertia of trailer toward towing
vehicle applies brakes on trailer in direct relation to manner brakes are applied on
towing vehicle. Brake towing vehicle hard and brakes on trailer are applied hard.
Master cylinder push rod spring assembly protects system from hydraulic pressure
overload.
DEMCO MODEL DA66B ACTUATOR
Review following instructions before installation and use of hydraulic brake
actuator.
Dealers or distributors must review these instructions with ultimate user.
Failure to follow these instructions, or failure to properly maintain braking
system after installation, can result in loss of braking action.
WARNING: To Prevent Serious Injury or Death
Table of Contents
General information ............................................................................................................ 2
Warranty Registration ....................................................................................................... 3-4
Safety, Signal Words .......................................................................................................... 5
Equipment Safety Guidelines ............................................................................................. 6
Safety Sign Locations ......................................................................................................... 7
Safety Sign Care ................................................................................................................8
Remember ......................................................................................................................... 8
Before Operation ................................................................................................................9
During Operation ............................................................................................................. 9-10
Following Operation........................................................................................................... 11
Highway and Transport Operations................................................................................. 11-12
Performing Maintenance ................................................................................................... 12
Bolt Torque ........................................................................................................................13
DA66B Brake Actuator Parts Breakdown and Parts List................................................. 14-15
Actuator Installation and Maintenance............................................................................ 16-17
Demco Brake Products Limited Warranty .......................................................................... 18
Demco Brake Products Limited Warranty Cont. ................................................................ 19

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Demco DA66B Specifications

General IconGeneral
BrandDemco
ModelDA66B
CategoryController
LanguageEnglish

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