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I'm putting it on the calendar! Woot!

Where does a 5 ton park? Anywhere it wants!

Pretty neat. What does it do?

The Marine Corp M923aX trucks have the PTO and hydraulic tanks according to most sources.

Probably a typo. They're likely referring to an M932a2.

1,100 lbs.

Art, Got your message and read your post. I'm glad you've resolved the issue. One 20ga little wire causing all that trouble... I hope this helps others get their systems in working order.

If there were lots of metal parts in there, I'd say failure of some kind (perhaps wheel bearing, as mentioned above (causing misalignment). If no metal bits, I'd say it was done deliberately.

The system is not that smart. It just checks when you first start the truck and then again every 15 minutes. The leak is probably just a leak. Either a wheel o-ring, a nail in the tire (could happen), or a leak in the CTIS valve assembly somewhere. break out the soapy water and find it. It's...

This is where they add a core to disable the CTIS. The whip of the CTIS valve threads over it and it appears to be connected properly. However, when your brain says "check pressure", you'll get an instant 5 flashing lights.

Purdy trucks!

M edium T rans 6 Model Series 5 Forward Gears 4 Revision level C lose R atio

I would suspect that you don't have a leak. If you have a leak, the system tries to fill until it figures out it can't reach pressure. What you have is more likely "not being able to check pressure". The most common cause of this is that a valve core has been added between the CTIS valve's...

It's been my experience (<---this means I'm not an expert by any means) that 5 lights flashing means the system either cannot check pressure, or cannot achieve pressure. A: Can't check pressure often means there's a schrader valve where it shouldn't be. B: Can't get to pressure often means...

I inquired about this a few months ago. No historic vehicles over 26k gross in AZ, just regular reg. Your results may be different...

Make sure you're adjusting it when the brake is off. (lever down)

Warning: I'm no expert.... The military uses 10w (hydraulic fluid) or Dexron III. 10w40 (motor oil) isn't listed in the Allison MT Mechanic's Manual. Dexron III 10w 15w40 30w 40w are suggested. Also 00w20 for arctic conditions...if you need that sort of thing. You probably want to stay...

Yes, the handle (when up) will release the air to the spring brakes and also set the parking brake. By twisting the top of the parking brake handle, you can loosen or tighten the parking brake. You'd need to hit the spring brake override (IN and with air pressure in the tanks) to check its...

Nelson! Check your PM's. I believe it's an off road approved area, too. Can anyone confirm this?

33 miles from that stater brothers to the In & Out on Main st.