Actuator – – Observed on all AutoPark systems. A hydraulic cylinder that may be intensely spring loaded. The spring applies the parking brake, as well as hydraulic cylinder when pressurized, releases the parking brake.
Ready to go kits are available. Installation time is often a handful of hours but that is dependent upon you and your mentor.
This displays an conclusion look at of a spronged AutoPark brake actuator that was opened without the need of getting the spring sufficiently compressed. The following image that has a side perspective exhibits what took place. On this picture, observe how the actuator shaft is jammed about to 1 facet of the outlet. This may be perilous.
In the following PDF We're going to check out to aid the mentor proprietor realize that your AutoPark parking brake adjuster and star-wheel Can't be accessed thru a port in the backing plate similar to the outdated loved ones car or truck was once configured.
At this time, the motor will once more run for an incredibly quick period right up until it stalls – – Therefore perpetuating the on/off biking. Every one of these comments pertain to AutoPark techniques using the Parker Oildyne T-108 pump. Coaches Outfitted with the MTE pump Don't have a thermally safeguarded motor – – Therefore, stalling the pump motor will speedily lead to total motor failure Along with the MTE program. MTE pumps are acknowledged as being machined from a solid aluminum rectangular block. Images available on request.
That is what we contact Model II on the AutoPark system. The parking brake with this particular configuration can be applied by Placing the equipment shift lever in PARK, or by depressing the manual foot pedal #two.
BTSI – – Stands for Brake Look THESE Up Transmission Shift Interlock. A security system meant to avoid the shift lever from remaining pulled outside of PARK Except if the brake pedal is depressed. Not Element of the AutoPark system but often baffled with the AutoPark as a supply of a problem.
Also, There exists a lever arm in sequence with the cable method for AutoPark, and due to the configuration of the lever arm, once the actuator moves 1.25 inches, the cable visiting the brake drum may possibly only go about an inch.
The following writeups and pics have been packaged to protect the diagnosis and if needed, the replacement of the unsuccessful Rotten Green Switch – – aka the pump motor change or RGS. Because these memos ended up published to mail out individually typically, there might be some duplication in material.
Removing of the outdated seal needs some Unique consideration. It truly is really easy to mar the surface area with the piston in this method. We commonly come across pistons that were broken (by improper technique) into the extent we need to chuck them up during the lathe and clear up the buggered surfaces.
As an option, we are able to offer you by having an adapter that we make inside our tiny AutoPark machine shop. We make them of 12L14 totally free machining steel, and they have got threads which are considerably less likely to strip.
So What exactly are we to conclude from all this? Generally, We have now a binary reporting program that provides us only a small level of the readily available facts.
Replacements for this component are available with the producer, and we will help you with receiving 1. BUT, it will eventually once more be product of precisely the same smooth aluminum with which you might have now experienced a problem.
These relays do usually toast – – as time passes. Particularly when the procedure has taken the punishment most often occasioned by failure on the RGS (Rotten Environmentally friendly Change). In the event the RGS shorts “ON,†the relay could possibly be matter to extended periods of operation which happen to be sure to deteriorate the contacts beneath hefty latest load.