jenRAK© is the first and only integrated onboard generator system designed exclusively for your Airstream travel trailer. Fueled by clean burning propane and built around the most advanced inverter technology from CUMMINS/ONAN.
Designed to be minimally invasive and easily removable as it utilizes the existing spare tire carrier mounting points and only requires the drilling of two 9/16″ holes through the forward a-frame cross channel (located directly behind the battery box).
The kit has been engineered to reinforce the frame crossmembers it mounts to. The carrier is laser cut from 3 pieces of 3/16” HRPO steel and incorporates alignment features similar to those of LEGO blocks. Once formed, the parts are snapped into place then welded together at these features to create a reinforced structure which is able to protect the generator and belly pan/holding tanks from road debris. The front area is formed to cradle the forward chassis cross member it mounts to — this interface helps in distributing load across the beam and strengthening the frame in that area in a symbiotic manner. Once installed, jenRAK© forms a structural tie between the fore and aft cross channels and distributes the weight of the assembly out toward the main frame rails. A positive net effect of this is dramatically reduced subfloor flex and bounce inside of the coach – our system actually makes the subfloor more solid by reducing flex and bounce.
THIS SYSTEM IS DESIGNED FOR INSTALLATION ON CONTEMPORARY AIRSTREAM TRAVEL TRAILERS 23 FEET AND LONGER. DO NOT ATTEMPT TO INSTALL THIS SYSTEM ON A 16, 19, 20, OR 22 FOOT MODEL – THE FRAME STRUCTURE, RIDE CHARACTERISTICS, AND GROUND CLEARANCE OF THESE MODELS WILL NOT SUPPORT THE REQUIREMENTS OF THIS SYSTEM.
THIS MOUNTING SYSTEM REDUCES GROUND CLEARANCE ON THE FRONT OF THE COACH BY APPROXIMATELY 1 – 2 INCHES DEPENDING ON VARIATIONS BETWEEN INDIVIDUAL COACH MODELS.
A LIFT KIT IS REQUIRED TO OBTAIN ADEQUATE GROUND CLEARANCE.
REMOVAL OF OEM SPARE TIRE CARRIER
(we are in the process of designing a spare tire relocation mount (tyRAK©) and expect to begin manufacturing and distribution soon).
THE FOLLOWING ITEMS ARE INCLUDED IN THE KIT:
STRUCTURAL CARRIER CHASSIS, ALL REQUIRED MOUNTING HARDWARE, CUMMINS/ONAN EXHAUST HANGER, 1-1/4” STAINLESS CUMMINS/ONAN STEEL MANDREL FORMED EXHAUST PIPE, EXHAUST PIPE CLAMP.
REQUIRED PARTS NOT INCLUDED IN THE KIT:
CUMMINS/ONAN QG 2500i LP GENERATOR (2.5HGLAA-8304A), TRANSFER SWITCH, FLEX CONDUIT, JUNCTION BOX AND RELATED COMPONENTS, AC WIRING (if necessary), CUMMINS/ONAN CONTROL PANEL (300-5332), CUMMINS/ONAN CONTROL PANEL WIRING HARNESS (0338-3489-01), 12 VOLT BATTERY STARTER CABLES, LP HOSE ADAPTER FITTINGS (required fittings vary by coach).
OPTIONAL/RECOMMENDED PARTS NOT INCLUDED IN KIT:
CUMMINS/ONAN EXHAUST RESONATOR (155-2449), 1-3/8” RESONATOR EXHAUST CLAMPS (155-1015).
PLEASE REVIEW AND FOLLOW THE jenRAK SYSTEM ASSEMBLY MANUAL AND ALL CUMMINS/ONAN INSTALLATION AND OPERATION INSTRUCTION MANUALS DURING INSTALLATION AND OPERATION. IF YOU DON’T UNDERSTAND ANY DIRECTIONS CONTAINED IN THESE DOCUMENTS THEN PLEASE CONTACT AIRKRAFTERS AND/OR CUMMINS/ONAN FOR TECHNICAL SUPPORT
Patent No.: US 11,554.710 B1
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