Rev: 06.30.22 Page 2 CCD-0001575
TABLE OF CONTENTS
Introduction 2
Safety 3
Product Component Descriptions 4
Frame 4
Brackets 5
Limit Switches 5
Bunk Stop Settings 6
Operating Precautions 6
Operation 7
Control Switch 7
Upper Trolleys 7
Automatic Upper Bunk Lock-Up System Option 8
Lower Trolley: Sofa or Dinette Conguration 9
Adjustments 10
Timing 10
Upper Trolley Tab Rotation 11
Lower Trolley Sofa/Dinette Bracket Removal 12
Lower Bunk Trolley Tab Installation 13
Maintenance 14
Troubleshooting 14
Emergency Manual Operation 15
Manually Raise the Bed(s)/Sofa or Dinettes 15
Manually Lowering the Bed(s) 16
Notes 17
Introduction
The HappiJac® Bed Lift System is a chain-driven two trolley lift system operated by a 12V DC motor, which
can be installed in most toy hauler trailers. It can accomodate one or two beds, or an alternate of a bed and a
dinette/sofa configuration.
Voltage = 12V DC
Nominal Current Draw = 8 amps (1 bed going up)
12 amps (2 beds or 1 bed and 1 sofa/dinette configuration going up)
Load Limit = 450 pounds dynamic (moving) load
600 pounds static (stationary) load
NOTE: These ratings are for the lifting mechanism only. HappiJac does not manufacture and therefore does
not rate any attachments, such as bed platforms, sofas, etc. Load ratings for these items would be
the responsibility of the manufacturer.
This product is designed and intended to be used only as a bed lift mechanism. Any other use of this system
will void any and all written or expressed warranties.
Additional information about this product can be obtained from lci1.com/support or by downloading the
free LippertNOW app. The app is available on Apple App Store® for iPhone® and iPad® and also on Google
Play™ for Android™ users.
Apple App Store®, iPhone®, and iPad® are registered trademarks of Apple Inc.
Google Play™ and Android™ are trademarks of Google Inc.
For information on the assembly or individual components of this product, please visit:
https://support.lci1.com/beds-support-happijac-beds
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