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A 240v 15a unit; what are you planning for power source?

What heat pump did you use?

R12 or R13? is under the PDP; the other R13 or R12 is under the cab below the fuel/water separator. Both are in the J1939 circuit and connected to the ECU/ECM's for CTIS, engine, and transmission. Most likely thing in my limited experience to burn up under the PDP. If one is gone likely the...

Do you have a relay in mind? We found an adjustable under/over voltage relay made for a rack mount for a protected location: ~$25 with shipping. The IP54 rated ones were all over $140, since we splurged on the alternator =/. Planning to mount next to the Victron under the PDP and use the...

Well for 'only' 8x the cost we dropped in a Leece Neville 24v 200a unit. It required modifying the J180 bracket, though used the existing serpentine. Our intended loads add up to more amperage than yours, though I like the small form pad mount unit you have and the thriftiness. Admirable...

I measured the outside bolts, perhaps the insides are 4-1/2". CAT specs more like a 65a for these engines, the smaller footprint may slide right in?

@Lugnuts posted a video showing how they come apart in the first few minutes. I haven't found where someone (@flyfishtrailer ?) said not to cut the bands. We replaced our airbags and shocks with the OEM style from MME, not the new style ones. Our old bags are good and hoping to rebuild with...

With an o-ring under the bands? Right, you don't cut the bands, theshock slides out?

The cab suspension is both air bags and shocks, as you see in your take offs. Not sure what you purchased, though those look like the cab air bags. You likely need the shocks, too. When we replaced ours, only the shock bushings were bad, our air bags hold air—

@GeneralDisorder mentions DEX VI in item2 in post 98 above—

Measuring the bolt layout and depth of that CAT bracket underneath, it is too narrow, (7-1/2' x 5-1/4") and shallow for a direct pad mount. At least for the 24v 200a pad mounts I explored. None of which were significantly less expensive. A search of CAT 3126b engine images found both pad and...

I agree. I did find that a DuckDuckGo search worked better than a Google one, no idea why. I am just starting to understand how to use the NSN and/or part number repositories. The tag off the original hose is going back on the new one when I install it later today. I would attend a class...

Using the tag to search the assembly and part number brings up all the design specs: with that information, too easy to jusy have one made locally—

Not sure about mechanics in Houston, though plenty of folks in Texas may be able to offer advice or assistance. Post a photo of what Eastern sent you? Have you checked the troop alarm switch in your bed? It is also connected to the audible alarm, page 7 line 182 in the schematic—

Blew our first mv oil line today. The line between the block near the oil sender and the air compressor. It was an old rubber/fabric line on our list to replace, wish I had done it sooner. Two questions: 1— Since we are home is it best to go to the local John Deere dealer or Tractor Supply...

The other location we measured was the distance the pulley was off the mount, perpendicular, to keep the belt tension similar. That made the cutout for the rear ear angled more deeply into the mount than I expected—

You could add a 7/8" grade 8 split ring washer to add a small gap between fan plate and pulley? Before we pulled the mount off we measured the distance from the front mount edge where the forward lower ear sits against it to the alignment of the serpentine belt. Then as a double check we...

Right, the battery disconnect relays on the A1 trucks is next to the manual disconnect. The wiring to the alternator runs from relays to LBCD to alternator. @Ronmar is who pointed out if removing the LBCD, then the battery disconnect relays needed to go as well. The batteries become the load...

We love our ECOHubs, though I'd like these much more without the hub mention. Glad to have it on the hubs, though not on my doors, too–

I saw your CAT alternator has a 7/8" shaft, like our Prestolite unit. We used the alternatorparts.com part #247750 - Pulley, 8-Groove Serpentine, For Delco Alternators. That pulley does have a key way, though reading through their help section and 8 groove serpentine page it appeared to be our...