air leak

[Bobby Kirk]

 I have a 2006 Beaver Marquis.  I have an air leak coming out of thr 6 pack  air bags in rear do not inflate. i cannot get under coach to pin point problem  my question is are all 6 solenoids in 6 pack the same?  if so can someone give me the part number and source.  have a tech coming to house. could it be a solenoid stuck. I baught coach new in 05 and none of the solenoids have been changed  Thanks for any info


Bobby Kirk

[Eric Maclean]

Bobby
You could have a solenoid valve problem but more likely than not what you have is a blower "O" ring on one of the solenoid valves
The O rings get hard and brittle with age will crack creating a leak.
The other thing to check is the air line connections to the six pack as Beaver used push to connect fittings on some coaches that can be problematic
Some of us have replaced the push type connectors with DOT compression fittings known as NTA fittings I believe the air line used is 3/8 OD
Unfortunately the only way to get to the six pack valves is by going under the Coach to do this drive the coach onto boards or blocks to get enough clearance with the coach aired down (  ALL SUSPENSION AIR DUMPED ) for safety .do not rely on hydraulic leveling to support the coach either.
If you are going to work on any part of the air suspension make sure you have ample clearance under the coach with all the air dumped .

DO NOT ALLOW anyone under there without making sure that the suspension is down because if a line is loose or broken or something suddenly dumps air from the suspension the coach will crush anything or anyone under it.

https://www.amazon.com/Parker-Hannifin-VS68NTA-6-4-Brake-NTA-Compression/dp/B01BYLR5CO/ref=asc_df_B01BYLR5CO/?tag=hyprod-20&linkCode=df0&hvadid=658844943255&hvpos=&hvnetw=g&hvrand=7782882981683353379&hvpone=&hvptwo=&hvqmt=&hvdev=t&hvdvcmdl=&hvlocint=&hvlocphy=9011480&hvtargid=pla-2065756702947&psc=1

[Bobby Kirk]

Eric thanks for info  do u have any part numbers for Orings and solenoids Thanks again  Trying to have some parts befor tech comes to house 

Bobby Kirk

[Scott Shearer]

Bobby,

You can get the O-rings kits from HWH, but they don’t sell the inner most O-ring. I ordered the following in anticipation of rebuilding the HWH six-packs on our 2006 PT.

O-rings

Ordered from the O-Ring Store. I believe that the quantities were to meet the minimum order requirement.

https://www.theoringstore.com/store/index.php?main_page=product_info&cPath=367_23_22&products_id=1116
https://www.theoringstore.com/store/index.php?main_page=product_info&cPath=367_23_22&products_id=1075
https://www.theoringstore.com/store/index.php?main_page=product_info&cPath=367_23_22&products_id=1114

Qty: 77
B70015 : AS568-015 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring 9/16"ID X 11/16"OD X 1/16"CS  $0.013 each total $1.00

Qty: 53
B70019 : AS568-019 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring 13/16"ID X 15/16"OD X 1/16"CS  $0.019 each total $1.01

Qty: 28
B70028 : AS568-028 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring 1-3/8"ID X 1-1/2"OD X 1/16"CS $0.036 each total $1.01

Shipping: $7.99

Tools

Soft Jaw Cannon Plug Pliers (Amazon) to remove the valve body from the manifold.

Wrenches to disassemble the valve body to replace the inner O-ring.

Newco 20207A9 Spanner Nut Wrench (discount coffee equipment.com or eBay)
Nitrous Express 15733 Solenoid Maintenance Wrench (Amazon)

I haven’t yet tackled the job. The steer axle manifold is mounted high and wedged tight against the ping tank, it’s going to be a joy to access.

-Scott

[Bobby Kirk]

Thanks for  the info Scott.  Have a tech coming to house.  was trying to have some parts for him to work with.  guessing at what he might need.  Thanks again

Bobby Kirk








thanks again

[Bobby Kirk]

Scott are all solenoids in 6 pack the same   Do you have part number for solenoid  Thanks again 

Bobby Kirk

[Scott Shearer]

All the same, I believe the part number RAP1940, in stock at Northwest RV Supply, listed at $128.95.

-Scott