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T150T oil pump gear

Home Forums TR3OC Members Forum T150T oil pump gear

This topic contains 12 replies, has 5 voices, and was last updated by timothy rendall timothy rendall 4 months, 3 weeks ago.

  • Author
    Posts
  • #5208
    john martin
    john martin
    Participant

    I have a 1968 T150T Trident & want to remove the inner primary chain case cover.

    How do you remove the oil pump pinion? Is it a friction fit on the oil pump drive spindle? I assume I use a puller?

    There appears to be a couple of woodruff keyways on the shaft / pinion.

    The parts book shows a screw for holding the pinion to the drive shaft, but mine doesn’t have one. Neither a hole in the end of the oil pump drive shaft, so the screw hasn’t fallen out.

    Thanks for any response.

  • #5209
    David Lord
    David Lord
    Keymaster

    John

    Sounds like you have what I found on my 68 Rocket 3.  It puzzled me for a while too!  There is a tool for this but you can simply use a punch to unscrew it.  Mine was tight and it needed a little heat.  On re-assembly, clean thoroughly, add a dab of loctite and punch it tight.

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  • #5218
    john martin
    john martin
    Participant

    That looks just like it thanks. I will try heat & a punch.

    I was going to unscrew all the oil pump cover screws & then I would be able to remove the primary inner cover with the oil pump pinion & pump outer cover still in one assembled piece.

  • #5225

    Angus McLeod
    Moderator

    It is far better to leave the pump in-situ if you can as it is held in with four fine threaded screws into the alloy crankcase. When you have removed the gear there are 6 screws on the pump. Usually four will be philips headed that hold the pump into the case and two with a straight slot hold the pump together. If these two have a larger head than the other four it is best to remove them as they just catch the inner primary case when you remove it. Not enough to stop you getting it off, but enough to damage it in the process.

    If it is impossible to remove the gear you can remove the four screws that hold the pump to the crankcase through the holes in the gear. You will then loose all the oil out of the tank when you remove the pump.

  • #7443
    timothy rendall
    timothy rendall
    Participant

    i know this is a bit late as it’s now 2018! but heres a photo of my 1968 T150t oil pump gear bolt / fixing

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  • #7445
    timothy rendall
    timothy rendall
    Participant

    the last and only owner says the bikes all original but he did have to put a new primary chain adjuster in it. On the hole it does look like it’s never been touched. its only done 9500 miles

     

  • #7626
    timothy rendall
    timothy rendall
    Participant

    well looking back on this now that i’ve done it. apparently the very early Tridents & R3’s had fitting with slots and not the bolts with the two peg spanner holes , i only found this out by asking on the Face book page, I got lots of photos and replies, so there you go . 🙂

  • #7630

    thierry babikian
    Participant

    hello,

    I am rebuilding a trident T 150 V 1975 . I am installing an electrical Boyer ignition Kit (0285 is the Boyer ref) as explained in the notice with the two coils in series but I have a question for you.

    in my case the two coils are in 12 volts normally it has to be in 6 volts to make 12 v in series .

    what do you think about that ?

    thanks

    thierry

  • #7633
    timothy rendall
    timothy rendall
    Participant

    Hello i’ve only ever run a ‘Boyer’ kit with 6volt coils, i would think that there would be too much resistance if you used 12v coils. also the Boyer triggers all 3 coils at the same time so i would  assume that it wouldn’t trigger the three 12v ones.

    One other thing is you may of put this in the wrong post as this is about oil pumps ?

     

  • #7637

    Angus McLeod
    Moderator

    Thierry

    The kit ref 0285 uses 2 “mini” coils a single output and a dual output.  These are totally different to the normal Lucas 6v or 12V coils. You MUST use the correct coils with this system and you need either resistor plug caps or resistor plugs.

  • #7638
    timothy rendall
    timothy rendall
    Participant

    Are, more like modern T300 triumph coils then. I’ve not used those on a trident before. I still think he’s posted in the wrong post !

     

  • #7640

    thierry babikian
    Participant

    thanks for the answers and sorry for the wrong post . I will installed the mini coils received in the Kit as explained in the boyer information.

  • #7641
    timothy rendall
    timothy rendall
    Participant

    Thierry, that’s OK as long as you got the right answers to your question 🙂 I hope it all goes well !

     

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