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So much for stupid proofing.


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#1 MH81 OFFLINE  

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Posted June 06, 2017 - 09:54 PM

That I can remember which spark plug wire went where on the distributor. Apparently, I was wrong.

The manual and it manual are both worthless in this regard. Apparently they didn't figure that somebody this stupid would be working on the engine.

Does anybody know which cylinder is number 1? 20170606_224955.jpg

It is a Perkins AG4-212.

Edited by MH81, June 06, 2017 - 09:55 PM.


#2 dodge trucker ONLINE  

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Posted June 06, 2017 - 10:13 PM

I would say the one closest to front which I would guess would be the alternator end.


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#3 ol' stonebreaker OFFLINE  

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Posted June 06, 2017 - 10:17 PM

  Working on assumptions I'll have to assume the alternator is mounted on the front of the engine, therefore I'll also assume the spark plug nearest the alternator is #1 since every inline engine I've been around for around 60 years has been this way. I'll reiterate all this is assumptions since I've never worked on a Perkins. 

                                   Mike


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#4 Cvans OFFLINE  

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Posted June 06, 2017 - 10:47 PM

I would also think the front cylinder is #1. 


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#5 Cat385B ONLINE  

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Posted June 07, 2017 - 12:06 AM

There is instructions right there in front of your nose on the coil.

1 2 V

Number one cylinder to the left, number two is to the right of it.

If you spin the coil around, it probably tells you how to tell three and four apart.

This same method works on Dodge truck engines to differentiate between the straight six and a V8.

Edited by Cat385B, June 07, 2017 - 12:09 AM.


#6 EricFromPa ONLINE  

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Posted June 07, 2017 - 12:57 AM

Googled a bit and found the firing order on a big tractor forum for a Massey Ferguson 165 gas. They have a Perkins 4-212 gas engine in them.

 

Firing order is 1-3-4-2 Front to back. Put #1 piston at TDC and check the location of the rotor in the cap and start poppin wires on. Should get her started unless the distributor is 180* off. You'll know pretty quick,big ole fireball out the carb means 180* off  lol.


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#7 EricFromPa ONLINE  

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Posted June 07, 2017 - 01:11 AM

Coppied from another Forum.This may help.

1-3-4-2 Distributor rotates counter clockwise - so - the wire on the distributor cap in about the 11 o clock position as you face the distributor on the left side of the engine, is to go to #1 (forward cylinder), next wire, about 7 oclock position goes to #3 cylinder, 4-5 oclock position wire goes to #4, and the last one, around 1-2 oclock goes to #2 cylinder.


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#8 karel OFFLINE  

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Posted June 07, 2017 - 02:49 AM

Get a manual.



#9 TomLGT195 OFFLINE  

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Posted June 07, 2017 - 03:18 AM

I would say the first cylinder is number one.  :smilewink:  :smilewink:


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#10 MH81 OFFLINE  

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Posted June 07, 2017 - 06:41 AM

Get a manual.


Have four. Users, service, and two I&T manuals.
None of them have this info. At least not obviously marked and not found by two different people.

#11 LilysDad OFFLINE  

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Posted June 07, 2017 - 06:43 AM

. Should get her started unless the distributor is 180* off. You'll know pretty quick,big ole fireball out the carb means 180* off  lol.

 

Can you put your finger over the plug hole and feel compression?



#12 MH81 OFFLINE  

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Posted June 07, 2017 - 06:50 AM

There is instructions right there in front of your nose on the coil.
1 2 V
Number one cylinder to the left, number two is to the right of it.
If you spin the coil around, it probably tells you how to tell three and four apart.
This same method works on Dodge truck engines to differentiate between the straight six and a V8.

I haven't had a full cup yet and you do that to me. I was headed out to take the coil off...
Some friend.

:bigrofl:

Edited by MH81, June 07, 2017 - 06:51 AM.

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#13 MH81 OFFLINE  

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Posted June 07, 2017 - 06:53 AM

Googled a bit and found the firing order on a big tractor forum for a Massey Ferguson 165 gas. They have a Perkins 4-212 gas engine in them.
 
Firing order is 1-3-4-2 Front to back. Put #1 piston at TDC and check the location of the rotor in the cap and start poppin wires on. Should get her started unless the distributor is 180* off. You'll know pretty quick,big ole fireball out the carb means 180* off  lol.


I had a big fireball out the exhaust and temporary deafness... does that count?

I think I'll try the 180 out theory tonight.

#14 MH81 OFFLINE  

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Posted June 07, 2017 - 06:55 AM

Can you put your finger over the plug hole and feel compression?


No good way to roll the engine slow. Crankshaft bolt is not easily reachable with anything other than an open end wrench and that takes two hands to get in there on the angle and turn it.

#15 chieffan OFFLINE  

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Posted June 07, 2017 - 07:06 AM

Remove the plugs and try turning it over by the fan belt.  #1 should be marked on the distributor and in the front cylinder is #1,always has been like the others have said.  Like Eric said, firing order is 1-3-4-2 on 4 cyl. engines.  8 cyl. is 1-8-4-3-6-5-7-2.


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