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How To Install Injection Pump 1655 ??

J

Jack Sparrow

New User
A friend was brave and pulled his injection pump for rebuild along with injectors. He has no idea how to install it. Nor do I for that matter. He is a gentleman farmer and has land/farm equipment but doesn't know anything about it.

He **said** he has a manual of sorts but didn't know what type of manual and he did mention it says nothing about turning engine to TDC or R&R of the injection pump.

I don't desire to buy a manual for a tractor I don't own. Can anyone provide an outline of installing said pump or direct me to an online outline of pump install? Please.

Nothing I found on YouTube like the cummins engine tutorial of pump R&R. I would hope it is a matter of finding TDC and looking at the alignment/ timing mark on the Roosa Master.

Not my first rodeo with a diesel but the Waukesha is.
 
It would have been a lot easier if he had at least lined up the timing marks in the timing window, the first umbrella seal on the pump shaft take a little time and patience to get it into the pump without rolling the lip back, also you should wire the throttle arm back before removing the pump, flywheel may have a sticker with the timing marks on it, kinda expensive from agco if it is still available, I used to mark them but don't remember how far it was from the tdc mark
 

I don't understand what you are in reference to as I haven't seen the tractor yet but hope to soon. He doesn't have the pump back yet....it is still up in Findlay at pump shop.

There should be two timing marks,,,,,I think. One for engine and one on the pump inside of a window. Sorta like a pump on a 3010 Deere...I think...if I remember correctly.

Where is the oil seal located at?
 
Jack, Here's a pic and you can see the seal on the shaft. If you don't get the seal right it will fill your crankcase with diesel. I thought I got it right and went up to rake hay and smelled diesel. There is a tool but I wrapped a piece of beer can around it to get it started on the pump. Greg
a218081.jpg
 
I wouldn't use a can to install the seal and risk cutting or damaging it. If you take your time you can work it in with your fingers. I have done several. BTW the seals used on Roosa Master pumps installed on IH, jd and probably other tractors are the same.
 
I may be wrong, but on my JD's and IH's, the engine has to be set to TDC on #1. Then, you take the little window off of the pump,
just below the RoosaMaster tag. Then you align the pump to the marks and tighten. Then, it should be in time.
 
(quoted from post at 17:35:22 03/03/16) I wouldn't use a can to install the seal and risk cutting or damaging it. If you take your time you can work it in with your fingers. I have done several. BTW the seals used on Roosa Master pumps installed on IH, jd and probably other tractors are the same.
Click to expand...

So where does that seal go? Is it installed onto the shaft first then the pump is installed onto the shaft with seal seating inside pump cavity?

I don't know what he did with the gear and shaft. It may be in the tractor yet. I only imagine he needs a new seal for the installation ,yes ?
 
Jack, This is from my I&T manual and I tried to shorten it up. If pump was removed without aligning timing marks proceed as follows. Either remove rocker arm cover and turn engine until intake valve of no. 1 cylinder closes or remove no.1 injector until compression leak occurs then continue to turn engine until flywheel mark of 4 degrees BTDC for 1655. Remove timing window cover of pump and with a screwdriver inserted in rotor drive slot turn pump rotor to align timing marks. Install new seals on drive shaft with lip of each seal pointing away from other seal. Lubricate seals and bore of pump with Lubriplate or equivalent grease. Take care not to roll lip of rear seal as pump is being installed. May have to rock rotor with pencil eraser to engage drive shaft tang and rotor slot. Rotate pump assembly as required to bring pump timing marks into exact alignment. Tighten pump mounting nuts. I bent a cheap 9/16 box end wrench for the back nut. Then slowly turn engine thru 2 revolutions until flywheel mark is aligned and recheck pump timing marks. If he pulled the pump drive shaft may have to holler back for that info.
 


Thank you much. He really should buy a manual. If he continues to ask me to work on it I'm buying one and charging him for it.

The engine rotates Counter clockwise as you set in the driver seat?
 
Yes, counterclockwise. I had to go check to be sure! I have done a few with our 1950T being the first in 1983. Then our 2-70 and then my 1650. I didn't change the seals on any of them and I just had to pull pump back off of seals and try again if seal rolled up. Before you try to start it check oil level and if oil rises and smells like diesel you then throw a wrench across the garage and hope no one is in the way!LOL
 
Jack,
Try this:If you can't see the timing marks on the flywheel,you'll have to remove the valve cover. Put a socket wrench on the crank pulley and
turn the engine until #1 push rods are loose. Look in the flywheel window and put a mark next to the pointer.Turn the crank again almost 2 whole
turns looking in the window and stop about 3/8 inch from the mark you made. Now remove the timing cover from the injection pump. Loosen the 3
nuts on the pump mounting flange and twist the pump until the two marks in the pump window line up perfectly. Tighten the nuts on the pump.
Replace the timing cover. This should be very close. If it runs rough, you can try 1/2 inch before the pointer on the flywheel. Mine was rough
on 3/8 but smooth on 1/2. Hope this gets you going.
 

I looked at the project in person and he had pulled the entire pump drive assembly, NOT just the pump so this is a full-out install and retime job. I found the specifics concerning the installation a timing of such an animal. It does involve the engine @ TDC and then the pump installation and time, the shaft install and timing , the hub with key then time the gear to the engine then the pump is retimed.

Fun.

He went to the dealership and the fellow he spoke to said it is near impossible to reinstall one of these pumps AND the drive assembly and get it in time. That sounds like a poor dealership.
 
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