Rev: 07.10.19 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 7
Operation 7
Control Switch 7
Upper Trolleys 8
Lower Trolley: Sofa or Dinette Conguration 9
Adjustments 10
Upper Trolley Tab Rotation 10
Lower Trolley Sofa/Dinette Bracket Removal 11
Lower Bunk Trolley Tab Installation 12
Maintenance 13
Troubleshooting 13
Emergency Manual Operation 14
Manually Raise the Bed(s)/Sofa or Dinettes 14
Manually Lowering the Bed(s) 15
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.
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.
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.
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
500 pounds static (stationary) load
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