Before we get to the details with the elements, or analysis and repair, it may well aid to get some fundamental comprehension of how AutoPark functions. The subsequent illustration describes the technique in very straightforward phrases. We advise learning these diagrams and textual content, so as to be able to visualize what your AutoPark is performing as you utilize, or release the parking brake.
The above data pertains to your J71 AutoPark program utilised on coaches constructed from about mid 94 and later on. Should you have one of the sooner units that runs off of the facility steering technique, allow me to know. Which is a completely various actuator. Additional dangerous to operate on.
This Auto Park parking brake versions I & II actuator illustration depicts the actuator with hydraulic strain utilized — brake ON and the actuator with no hydraulic force — brake OFF.
Usually – – these leaks are likely to start out compact and slowly and gradually get worse. It's pretty not likely for the seal to produce a sudden and main leak which might result in the parking brake to use. Generally, it starts off with delicate seepage through the hydraulic cylinder, and with time the leak results in being huge adequate to cause cycling from the strain pump and perhaps a obvious drop in the fluid degree of the AutoPark reservoir.
That very same P situation which We have now witnessed around the family car For many years (not less than each of the autos with automatic transmissions), is offered for a program to keep the vehicle, or motorhome, from rolling after we are parked – – click here In particular on some sort of incline. Nonetheless, it turns out that every one P’s are usually not established equal.
In essence however, the pumps and motors from Parker/Oildyne, are almost bulletproof. There are some pumps to choose from produced by MTE – – They give the impression of being very various with the Oildyne, so are rather very easily identified by evaluating pictures.
Move shift selector away from PARK. If AutoPark lite goes on and STAYS on, you could very most likely Use a bad RGS. A good RGS would Typically run the pump Plus the AutoPark lite for a about three to five seconds after which you can prevent – – The lite would head out when the pump stops.
In the a few procedures detailed earlier mentioned, bleeding the ability steering is most likely the most productive. Foam within the technique will migrate as the brakes, electric power steering and AutoPark are applied.
In the event your actuator is on a program that is definitely 10 decades aged or more, then you might want to take into account some preventative motion.
This is actually the needle valve rod. When latest is placed on the coil, this valve is pressured downward, compressing the spring and shutting both of those the little port at The underside of your needle rod As well as much larger valve fashioned because of the #4 inner casing as well as the #three outer casing.
We haven't offered any sort of penned guarantees on any of the data we give out (without cost) or any of the various sections or pieces we may make within our little shop. It takes place to me that we must always at the very least outline our posture on these troubles.
Nearly all seller retailers don’t want to repair actuators. They strongly lean toward total substitute. Guessing that the typical fees operate 1200 bucks or so.
This is what we call Edition II in the AutoPark program. The parking brake with this particular configuration could be used by Placing the gear shift lever in PARK, or by depressing the manual foot pedal #2.
Leaking AutoPark actuator cylinders can nearly always be repaired at a little portion of substitute price.