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Jan 09, 2018 11:06 am
Jan 09, 2018 11:06 am
Subject: Re: 2 litre Oil Pump
Hi Steve,
It would be a good idea to prime the pump, although some do self-prime - it's more a matter of luck if they do!
Undo the hexagonal brass cap on top of the pump - this will give you access to the pressure relief valve cap which has a slot in it. You can undo this with a screwdriver, counting the number of turns before it pops out (so you can replace it to give the same pressure setting), followed by a longish spring. The relief valve plunger is likely to remain in the oil pump body (although they do sometimes come out with the spring). If it does, one of those telescopic tools with a small magnet on the end will remove it.
You can then put a small funnel into the pump and gently trickle oil into it (it soon overflows so be careful). Turning the engine on the handle once or twice will assist with distributing the oil. Once you have added about a pint in this way you can put everything back together.
Before you start the engine it is wise to remove the spark plugs and to spin it over on the starter until you see the pressure start to build on the dashboard gauge. If you don't get any after trying several times, try priming again, but also check the pipe connections from the sump to the pump. Some pumps are difficult - one of mine is, yet it will work perfectly on a bench test!
Hope this helps, but call me if you want to discuss further.
Best wishes,
Roger
Hi Steve,
It would be a good idea to prime the pump, although some do self-prime - it's more a matter of luck if they do!
Undo the hexagonal brass cap on top of the pump - this will give you access to the pressure relief valve cap which has a slot in it. You can undo this with a screwdriver, counting the number of turns before it pops out (so you can replace it to give the same pressure setting), followed by a longish spring. The relief valve plunger is likely to remain in the oil pump body (although they do sometimes come out with the spring). If it does, one of those telescopic tools with a small magnet on the end will remove it.
You can then put a small funnel into the pump and gently trickle oil into it (it soon overflows so be careful). Turning the engine on the handle once or twice will assist with distributing the oil. Once you have added about a pint in this way you can put everything back together.
Before you start the engine it is wise to remove the spark plugs and to spin it over on the starter until you see the pressure start to build on the dashboard gauge. If you don't get any after trying several times, try priming again, but also check the pipe connections from the sump to the pump. Some pumps are difficult - one of mine is, yet it will work perfectly on a bench test!
Hope this helps, but call me if you want to discuss further.
Best wishes,
Roger