Nov 18, 2023 · The HWH leveling system is located in the main storage basement compartment attached to the ceiling between the frame rails. On the ceiling there is a large white Masonite board with the HWH control box, the Allison control box, and several other electrical boxes located here. Aligning the Level Sensor: Start the engine and pump up the air ...

Sep 27, 2024 · Called HWH and TWO WEEKS later they called back suggesting that it was most likely the 3000# pressure switch. Ordered and changed the switch with the same results - pump runs, jacks don’t. Called Newmar who suggested that it might be the shuttle valve or could be the MIMO controller that is mounted on top of the pump manifold.

Sep 1, 2011 · HWH hydraulic leveling jacks did not extend today. 2006 KSDP, Spartan chassis, mountain master, ifs. I talked with HWH tech, they said probably the pump is not working or a valve is stuck not letting the fluid to circulate. At the top of the block are two nuts connected to a "u" shaped piece.

Mar 3, 2023 · You owners manual will state to either use HWH oil or Dextron ATF as specified. Practically everything you want to know about your HWH leveling system can be found from this HWH FAQ Page. Different years call for different ATF, for example, my old HWH 610 central ground system states the alternate fluid is type A ATF. _____

Oct 26, 2017 · My HWH 325 has similiar circuit board with lights. Didn't read whole link above but the adjuster on the frame side is also the same. Simple enough. Have adjusted it a couple of times over the years. Doesn't matter what the lights say, refrig, microwave, and bath door have to not swing and pillow height must be right on. _____

Jun 8, 2011 · PowerGear, is the other large supplier of leveling systems for the motorhome industry. They too have their problems. My first coach had HWH and my last too had and have PowerGear. If I were going to chose one it would probably be HWH because PowerGear is not at all friendly to their customers. They will not take calls, or emails directly.

Dec 19, 2024 · it will work for all hydraulic systems. both hwh and lippert products use the same fittings. stuarts is an excellent parts source for hwh parts. if the shuttle valve didnt fix it, there pump is the next step. the part number is on top of the tank. there are two numbers. each begins with AP one is marked assembly, and one is marked P-M-T that is ...

Mar 6, 2018 · The HWH sensors, ride height controls, computer module and larger diameter air lines detect the status of the coach and each air bag in virtually real time and then actively routes huge volumes of air from the air tanks and engine air compressor to the particular air bags that are under duress during such situations as entering or existing off ...

May 21, 2022 · I was hesitant to call HWH because there are many postings here with less than stellar reviews about HWH customer service but I found the complete opposite. They took my info and a tech emailed me within 4 hours and diagnosed it perfectly. Bottom line is that it is a system pressure sensor switch that is stuck closed.

Apr 9, 2024 · The control arm and valve are centered behind the genset at the front axle. Individual bag control is attained from the HWH module located in bay 2 coach center. Adjusting each "zone" slightly and slowly. Your condition suggests an air leak in the HWH control or a bad bag as only one side appears to be involved.