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Old 09-06-2020, 07:21 AM   #29
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I'm not sure which of my questions to the OP you were answering with a "no", but I'd like to wait until were hear from the OP, because I'm not sure you have your facts correct.



IMO, "Most" P32s don't have both, and I do know that the brake shoes are SPRING applied and hydralically released by the J71. I'm having trouble understanding how the same shoes ( in the drum on the DS ) can be applied by a spring - OR- a cable. I believe the hand or foot applied parking brake cable most likely went to the rear wheel brake drum(s) to apply the PB on those lighter GVWR chassis that did not have the J71 package. But, I've been wrong before
I agree with ED. I have a 2002 P-32 and it has Auto Park. There is no pedal or lever in the coach. I do have the switch with the yellow knob which can activate the Auto Park parking break should the transmission switch fail for some reason. I have been in a couple other coaches with Workhorse chassis and they were set up the same way.
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Old 09-06-2020, 02:38 PM   #30
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Ed, the lever mechanism connected to a quadrant arm that also connects to the cable pull that the hydraulic actuator cable connects to, so they both operate the same driveshaft brake.


See this image from rvautopark.com if the site is up at the moment, the foot pedal can apply the brake, but not release it unless the actuator is bypassed or powered, lots of counter acting springs there http://www.rvautopark.com/wp-content...edal-brake.png
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Old 09-06-2020, 04:25 PM   #31
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Ed, the lever mechanism connected to a quadrant arm that also connects to the cable pull that the hydraulic actuator cable connects to, so they both operate the same driveshaft brake.


See this image from rvautopark.com if the site is up at the moment, the foot pedal can apply the brake, but not release it unless the actuator is bypassed or powered, lots of counter acting springs there http://www.rvautopark.com/wp-content...edal-brake.png
THANK YOU, Isaac-1 I really appreciate you "explaining" this to me because I did not know about this "dual" system that was apparently only used on the pre-Workhorse P32s made before 1999. IF I'm understanding the second part that I put in bold, if an operator applies the PB manually, he still needs a functioning hydraulic system or disconnects the cable from it. RIGHT ?
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Old 09-06-2020, 04:52 PM   #32
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Correct the plate attached to the cable on the foot pedal can not release the brake drum if the hydraulic actuator is released (ie automatic parking brake applied). I know a lot of double negatives in the way this system operates.
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Old 09-08-2020, 05:33 AM   #33
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Thank you, Issac and sorry for the delay...Was camping this weekend, enjoying having a coach that would actually stay parked!

I think you answered everything for me - Sorry if my explanation was confusing. By yellow lever I was referring to the yellow switch. When pulled that activated the autopark system and my autopark light came on.
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