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Pieces cut up and ready to weld. | UPDATE: Been remiss to post this so I'm playin' catch-up here. My choice to use some U-channel material I had kicking around to then weld into a box-channel for the trailing arm air-spring mounts, came back to bite me in short order. You can see in this pic how much the deflection load bent the one on the left. Fortunately, I designed the upper forward mount for these arms to easily be bolted/unbolted to for servicing. So a year or two ago now I finally decided to use the heavier (much heavier) box channel on the left to get busy and build new ones. It required drilling through oversized bolt access holes to get at the bag-mount nuts. | MANUAL CONVERTER LOCK-UP AND OVERDRIVE SOLENOID SWITCH OPERATION:84'-85'CHRYSLER 47RH TRANSMISSION After much consultation with transmission builders I've installed these switches to lock and unlock the torque converter (only in 3rd & 4th gears) and shift in or out of 4th gear(overdrive). NOTE: YOU MUST BE CERTAIN THE CONVERTER SWITCH IS 'OFF'(UNLOCKED) BEFORE SHIFTING IN OR OUT OF 4th. GEAR. SO: IF YOU ARE 'LOCKED'(RED LIGHT) IN 3rd. AND WANT TO UPSHIFT TO 4th. - UNLOCK/UP-SHIFT/LOCK. SAME FOR DOWNSHIFTING OUT OF OVERDRIVE (4th) - UNLOCK/DOWN-SHIFT/LOCK. CAUTION: UNLOCK CONVERTER BEFORE COMING TO A STOP OR ENGINE WILL STALL. THIS TRANSMISSION UP/DOWN SHIFTS 1st.THROUGH 3rd. GEARS SAME AS THE 727 TRANSMISSION. ALSO: THE 47RH ONLY HAS LOCK-UP CONVERTER CAPACITY IN 3rd. & 4th. GEARS. WHEN USING THE PAC-BRAKE EXHAUST BRAKE THE CONVERTER MUST BE LOCKED TO BE EFFECTIVE. | |
This 3-gang switch holder had the other 3-pole switches in it (see the one on the left) that didn't work for me. Got the assembly for just over $10/bucks at our local Princess Auto (Canada's 'Harbour Freight') I liked the chromed switch guards that prevent accidental contact with the switches. With only slight modification (grinding with a Dremel stone) the Cole Hersee's switches dropped right into it. I chose the location as it's only a few inches off my right knee. After putting a few miles on the coach I have to say I'm extremely happy with my choice to run with these switches to control the 47RH. The Lucite switches are lit-up white when off and red when on and are prominent in your peripheral vision while driving. Will comment more on this later after I put some more miles on her. | This switch can have up to 6 terminals. This one has 4. This schematic gave me full independent control over both solenoids with lighted switches whether they're off or on. I did bridge both #4's to a key-on positive and did the same with the #3's to ground both trans wires. | Toggle switch I chose for the overdrive & converter lockup solenoid cockpit controls. Cole Hersee toggle switch #54109-BP. Dual colour toggle. 4 - terminals. | (2 Comments) I was forced to improvise another perch for the rad angle-strut on this side in order to clear the CAC piping. Yeah-yeah... I'm still working on the birdsnest of wiring, but it's coming along. |
Starboard side mount. This was stupid easy as I simply welded a gusseted angle-bracket right onto the chassis frame. | One 3/8" bolt on the upper corners each side and two more on the lower mount each side and the works lifts right out. | Port side view of the final mounting of the rad. Again, it's a made in Canada Spectra Premium all aluminum downflow rad with the in/out ports in the upper left and lower right that should work well with the Cummins. Part #2001-1705 | |
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