[Jon]

A leak back due to a failed or leaking check valve needs to be repaired. The easiest way to monitor the brake system condition is to drain the air tanks in sequence, starting with the wet tank. Each tank in succession should remain pressurized.

If not, it is important to fix it.

[Jon]

To answer your question Jim, that is not normal. When you say Aux air goes right down what does that mean? 120 psi to zero in 1 hour? 2 hours? 6 Hours? I have more questions, but will wait til you respond to this one first.

[Jon]

Raising hand, I do I do! Still going strong 16 years later with over 250,000 animals saved and 6,000 volunteer pilots nationally. My heartfelt thanks to POG friends for their help in getting PNP started. Remember Mango Mike sacrificed a lot at that fundraising rally, ha~!

Debi typing on Bob’s account LOL

[Jon]

Another great time had by all at the WOG Rally in Q. Looking forward to next year.

[Jon]

We had our final inspection about 4 weeks ago. Prior to that, I applied for my own electrical permit and did all the interior wiring (EMT). One final thing to do is adjust the garage door so it will clear the bus.

On the left side will be bus storage, and on the right will be woodworking equipment (soon).

[Jon]

Have been using these for many years

[Jon]

just think what flex would do to the riveted or glued on skin of our bus

[Jon]

FulltimeBill,

We boondock without the gen running at night while we sleep.

Lifepo4 house batteries are to our bus 12v house electrical system what LED lights are to our bus lighting system, a wonderful upgrade/update.

My Lifepo4 batteries provide:

improved safety protection (BMS),

almost 2x more usable battery power without increasing the size or # of batteries,

many times the life expectancy (they’ll outlive me),

2+ x faster charge times,

easy inexpensive install

and all this for less cost initially and a fraction of the cost long term.

The BMS in each battery protects against:

Short Circuit

Battery Overvoltage

Battery Undervoltage

Battery Cell Overvoltage

Battery Cell Undervoltage

Charge High Temperature

Charge Low Temperature

Discharge High Temperature

Discharge Low Temperature

Charge Overcurrent – Primary

Charge Overcurrent – Secondary

Discharge Overcurrent – Primary

Discharge Overcurrent – Secondary

Battery Cell Balancing

And there is still all the protection that Liberty provided in the original build.

Liam,

The Prevost normal travel “ride height valves” always set the ride height to the owners “set height” regardless of weight added or subtracted.

[Jon]

sorry I can’t seem to reply to the original thread, instead when I try to reply all I am allowed to do is to post to a new topic.

If your current house battery bank is 12vdc, to solve the issue, leave one La battery in a house bank that connects ONLY to the alternator output and nothing else. This will fool the alternator and regulator into thinking it is still charging a La battery. Attach the input lead for a BtoB charger to this La battery and connect the output from the BtoB charger to your Li house battery bank. The BtoB charger will see the voltage rise on the input side when the engine starts and will pass current to the output side to charge the Li bank. When the engine stops, the voltage drops on the input side and the BtoB charger will turn off properly isolating the La and Li batteries. If you want more charge current than only one BtoB charger can supply, add more BtoB chargers in parallel. Do not exceed a total of 60% of the rated capacity of the alternator to prevent over heating these big oil cooled alternators. They can handle a lot of heat but no reason to take a risk since you can connect three 60 amp BtoB chargers for a total of 180 amps of charge current that will charge even a large Li house battery bank while driving in a reasonable time.

Jerry

[Jon]

Happy New Year!

[Jon]

I own large building leased to Soldier a express they have 2 sets of jacks to pick up complete Bus they alow me to use one of them the building is warm I can’t find any leak back stays up months

[Jon]

Jon:

I am thinking it is the top Norgren in the steering bay, it is an original that has not been replaced. See above post ref balloon inflating.

Chuck

[Jon]

maybe a simpler look that shows how the HCL can not contribute to a leak down in an IGN OFF situation. Note all norgrens shown in their normal state (no pilot air) which for the two controlling the steer axle bags are ‘Normally Closed’ which ties them to each other and to the top norgren in the level low area under the drivers seat.

[Jon]

Hay Mike:

Think I will do the balloon on that one too.
Chuck

[Jon]

WTF has happened here?

My oh my. 12v and warranty, boy are you full of shit driver.

Later

bv