fjh
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Everything posted by fjh
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Mack was always Morphing things ! In the direction of where they were heading ! Look no further than the change over of e6 2valve to 4 valve they changed the front cover on the 4 valve to the very similar e7 mounting shortly before the e7 was introduced! I could point out dozens of instances of this as time went on It was kind of neat to watch thinking back on it!
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Up to a Point ! The doors went to metal At one point how ever I did not pay attention as to the year! The earlier Ch doors were identical to the MH right down to the hinge mounting! Terry as for the vent window not sure!
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Im not sure of the answer to this But its my theory that they had a whole bunch of doors to use up when they quit building MH cab over and this is why they designed the CH to accept the MH door in the begging I and I don't remember what year the door became metal! ! As for the cab it was extended by 4 inches behind the door at one point so I cant be time specific on that!
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yup and its out of an RS by the look of it!
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Thanks all worth trying ! I broke the spaner I bought for the job one of the dowel pins broke! So the e big pipe wrench is all I got for now!
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Pinion is the same the housing is likely different ! because of the sliding clutch So he needs the outter cam and the housing and the actuator housing to complete this and hopfully he has enough slip on the drive shaft to compensate for length! or he will need to shorten!
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Don’t assume you have 6 p20 liners! You need to pull them all ! In my opinion!
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Yup !
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Might make a sleeve for the pipe wrench! With a hook on it and maybe be use the machine to power the wrench chain off to a stump and put pressure on it with the hydraulics and air hammer as suggested! The out riggers will have change tactics if it works! Will see! If I can break it free and get some oil flowing around it things may get moving! IF it works!
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Nope plan on inframe got me a 4 foot pipe wrench! Just don’t got the strength! Want atack the scoop cyl first . Then the out rigger’s! Got the kits off amazon!
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Do any of you guys have any experiences ,hints ,Tips ,As to getting the dam ends out of the hyd cylinders ?? I am currently wanting to reseal several on the ole Casey here and the ends are NOT cooperating! I have only a small torch for heat OR A tiger torch! Limited on tooling ! I did the clam cyls two years back and had to have the the hydraulic shop just remove the ends cost me 400 bucks and I still had to reseal them! Just askin!
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So Mark just to be clear the puff limiter is not working at that point ! Hopefully no one is starting a truck with the park brakes released ! 😂
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Sorry You were told wrong!
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Yup plywood on a side hill done that too! Improvise! 🤔if you don’t do it it ain’t getting done!
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Well the down side to it was haveing to often work in a chicken coop ! I was offen asked to do un conventional things in un conventional places one hole patches ect!😡
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We had a flat push plate made for the bottom inframe push from the bottom with a tall bottle jack! Some times would almost lift the truck off the floor before they would come loose!
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Yup I had forgotten about the cracking thous cracks we’re common on these too!
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that is the max safe RPM of these! The RPM is key to the braking power! The lower the rpm the retarding power diminishes! speed is horse power its the same at both ends of the spectrum! You risk valve float above this!
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Go with your line theroy and see how it goes !
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Give it a try definitely worth replacing them ! The pump is Ambac worth keeping an ear on too the over run clutch can be an issue! Snap the throttle and listen for it jumping to governed rpm if it travels beyond the governed by more than 50 you may need to have the drive hub serviced!
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Intermittent injector codes
fjh replied to mcratchet1's topic in Modern Mack Truck General Discussion
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Intermittent injector codes
fjh replied to mcratchet1's topic in Modern Mack Truck General Discussion
yup! here's your wiring harness boys have fun! eeny meany miny moe! spin the wheel of guess which plug ! Gone are the days of politeness ! having a tag for each wire! Joey got me all fired up and Its early! 😡 -
Intermittent injector codes
fjh replied to mcratchet1's topic in Modern Mack Truck General Discussion
Sorry I couldn’t be more encouraging! Take it slow and steady and pay attention pictures pictures! -
Shot in the dark injector cups!
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Intermittent injector codes
fjh replied to mcratchet1's topic in Modern Mack Truck General Discussion
How long can you afford to be down! Take lots of pictures if you do it yourself! It’s an asshole job and that’s why it’s twelve hours! There is very little that isn’t an asshole job on these new units! A simple 5 minute belt change takes an hour! They are made intentionally hard to discourage people in my opinion!And to pissoff mechanics trying to do there jobs!
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