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BIG CAM 1 OUT, BIG CAM 3 GOING IN

Artisan

Artisan

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So if you care to lend advise (or watch me make mistakes) my Notes / SS Blog is here;

ARTISAN's M916

Artisan's M916

So, Dam the torpedos, screw the crybabies that DEMAND I bring the truck to them to do this engine swap. Effin scary that is. Off we go... May all the Gods of the Great Green Iron align in lock-step around you. March on!!
www.steelsoldiers.com

I have a NIB Military BC3 that I am putting in my M916 and pulling the bad BC1.
As I understand it, I have to swap bell housings.

To install anew I need to use a dial indicator to center the bell housing on the crank
to spec. Todays question is what is the proper tool to use to spin the crank when my
dial indicator is attached to the flexplate?

I need a get a dial indicator too.

REFERENCE TM 9-2815-225-34&P > Pg 376 to 381
 
silverstate55

silverstate55

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Brad I’ve been following your posts when I can; good on you for taking this on, and I appreciate you sharing your progress with us. I’m with you in spirit since I can’t be there physically, keep up the good work and be safe my friend.
 
WillWagner

WillWagner

The Person You Were Warned About As A Child
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I knew you had the engine, didn't know you started the project! Looks like you are doing things in a timely manner, safely. Call me if you need something. I do work Tues and Wed.
 
MrMikey4026

MrMikey4026

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Artisan said:
So if you care to lend advise (or watch me make mistakes) my Notes / SS Blog is here;

ARTISAN's M916

Artisan's M916

So, Dam the torpedos, screw the crybabies that DEMAND I bring the truck to them to do this engine swap. Effin scary that is. Off we go... May all the Gods of the Great Green Iron align in lock-step around you. March on!!
www.steelsoldiers.com

I have a NIB Military BC3 that I am putting in my M916 and pulling the bad BC1.
As I understand it, I have to swap bell housings.

To install anew I need to use a dial indicator to center the bell housing on the crank
to spec. Todays question is what is the proper tool to use to spin the crank when my
dial indicator is attached to the flexplate?

I need a get a dial indicator too.

REFERENCE TM 9-2815-225-34&P > Pg 376 to 381
Click to expand...
A normal size dial indicator works fine. Just stick it to the flex plate or bolt a piece of flat stock to the end of the crankshaft. Use a big socket on the accessory drive pulley nut, turn it slowly!
Mike
 
Artisan

Artisan

Well-known member
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Location
CDA Idaho
MrMikey4026 said:
A normal size dial indicator works fine. Just stick it to the flex plate or bolt a piece of flat stock to the end of the crankshaft. Use a big socket on the accessory drive pulley nut, turn it slowly!
Mike
Click to expand...
Mike,
I found a dial indicator that doesn't break the bank...

I wish spinning the crank was that simple and do I have to go
one particular way only ? As you see there is no center nut...
 

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MrMikey4026

MrMikey4026

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Eatonville Washington
MrMikey4026

MrMikey4026

Well-known member
281
417
63
Location
Eatonville Washington
MrMikey4026 said:
Yes, I know Brad very well. I live just down the road from him,
Click to expand...
The stuff in the Jacobs boxes is for hooking up the Jake brakes. Dash switch, brake and clutch switch, throttle switch. If using jakes with Allison trans, a solenoid valve has to be added to keep the torque converter locked up when they are activated. I would not worry about turning the engine, you will have it running soon. I assume you are running an Allison trans? Does the engine not have the correct flywheel housing on it?
 
Artisan

Artisan

Well-known member
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Location
CDA Idaho
MrMikey4026 said:
The stuff in the Jacobs boxes is for hooking up the Jake brakes. Dash switch, brake and clutch switch, throttle switch. If using jakes with Allison trans, a solenoid valve has to be added to keep the torque converter locked up when they are activated. I would not worry about turning the engine, you will have it running soon. I assume you are running an Allison trans? Does the engine not have the correct flywheel housing on it?
Click to expand...
Mike excuse me I did not see this.
( I speak w/ Brad Milne about once a month just because...)

So the BC1 engine were pulling out had jakes. The new BC3 has jakes too.
Shouldn't I just be able to connect the 3 wires at the top of the engine
and it will work ok?

EDIT: We have a resolve for the flywheel housing swap I reference
below here....

I have to swap flywheel housing from old, to new, to keep the 7155 tranny I have.

I came here to see if ya'll have an awnser for me on this;
Post #607 ( something worng w/ forum software showing this engine turn thing but
clicking on it bring you to the correct post)

Artisan's M916

Ok, so you figured out how to rotate the engine but have you determined if it is safe to do so? What's with the red tag warning against this? I have not got a resolve on that on the new engine. GOOD EYE! Your paying attention! I "ass"ume it means DO NOT ROTATE UNLESS YOU ARE READY TO INSTALL...
www.steelsoldiers.com
 
Last edited:
MrMikey4026

MrMikey4026

Well-known member
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Location
Eatonville Washington
Artisan said:
Mike excuse me I did not see this.
( I speak w/ Brad Milne about once a month just because...)

So the BC1 engine were pulling out had jakes. The new BC3 has jakes too.
Shouldn't I just be able to connect the 3 wires at the top of the engine
and it will work ok?

EDIT: We have a resolve for the flywheel housing swap I reference
below here....

I have to swap flywheel housing from old, to new, to keep the 7155 tranny I have.

I came here to see if ya'll have an awnser for me on this;
Post #607 ( something worng w/ forum software showing this engine turn thing but
clicking on it bring you to the correct post)

Artisan's M916

Ok, so you figured out how to rotate the engine but have you determined if it is safe to do so? What's with the red tag warning against this? I have not got a resolve on that on the new engine. GOOD EYE! Your paying attention! I "ass"ume it means DO NOT ROTATE UNLESS YOU ARE READY TO INSTALL...
www.steelsoldiers.com
Click to expand...
You may have to add the throttle switch to the new engine, it may or may not already be installed. It turns the jake on when you lift your foot off the throttle. It is polarity sensitive, hooking it up backwards will blow up the diode.
It has been many years since I have worked on one of these old Cummins, I have forgotten a bunch about them.
Lately it has been N14's M11's and ISM, they are old now.
I may see Brad this weekend, I usually see or hear from him once a week. We go on crazy adventures together, he has helped me many times with my LMTV.
Mike
 
Artisan

Artisan

Well-known member
2,761
227
63
Location
CDA Idaho
MrMikey4026 said:
You may have to add the throttle switch to the new engine, it may or may not already be installed. It turns the jake on when you lift your foot off the throttle. It is polarity sensitive, hooking it up backwards will blow up the diode.
It has been many years since I have worked on one of these old Cummins, I have forgotten a bunch about them.
Lately it has been N14's M11's and ISM, they are old now.
I may see Brad this weekend, I usually see or hear from him once a week. We go on crazy adventures together, he has helped me many times with my LMTV.
Mike
Click to expand...
Thanx Mike... I think it is already on the new engine... I will photo it
and verify. Mike can you name all these sensors? The new engine
has just one (the center one ) on the drivers side...

Artisan's M916

So, Dam the torpedos, screw the crybabies that DEMAND I bring the truck to them to do this engine swap. Effin scary that is. Off we go... May all the Gods of the Great Green Iron align in lock-step around you. March on!!
www.steelsoldiers.com
 
Artisan

Artisan

Well-known member
2,761
227
63
Location
CDA Idaho
Mike, BE SURE to tell Brad Milne you and I have conversed...
I am SURE he will tell you about our run from Los Angeles
to the PNW, he in my 5ton loaded w/ 10000 pounds in the bed
AND pulling a 8 wheel trailer w/ a 20' shipping container on it
and me in the 20 ton hauilng the same. OMG! Brad would get
SO PISSED off at me, we would hit a grade and I would do like
40 and he would drop to 20-25 and he HATED THAT LOL!
He will tell you all about it! HA!
 
Artisan

Artisan

Well-known member
2,761
227
63
Location
CDA Idaho
MrMikey4026 said:
Brad is not one for driving slow, I won't ride with him in anything.
Click to expand...
He picked up my 5ton for me years ago at Ft lewis.
First thing he said was THEY GO FAST! ha!
I am not sure if you see my name or not but tell Brad
you have been conversing w/ Brad the plumber in SO Calif...

Mike this is the throttle posistion switch I believe yes?
It looks like I need to adjust the screw stop so when throttle
is closed it "just" triggers that little micro swich yes?
 

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