803A engine help

[kloppk]

Use TM 9-2815-253-24P to get the LPW4 engine part numbers for your 803.

 

[spark500001]

can anybody help us identify the proper letter designation of this engine so when we have to order parts we get the correct stuff.
thanks

That is the data plate for the engine. How useful it is might be a different item. What parts are you ordering?

There's ordering MEP-803A parts, there are Onan specific parts, there are Lister Petter (LPW4) model parts, and of course generic parts. The most specific is always going to be MEP-803A parts, but more general parts may match, e.g., Lister made a variety of engine versions, but bear in mind that not all versions share the same components, so some care is warranted.

All the best,

2Pbfeet

thanks

 

[spark500001]

You have a Lister LPW4 in an MEP 803A that was made for Onan & they name it the DN4. Don't use the China copy parts, it is not worth it.

thanks for the help

 

[spark500001]

Use TM 9-2815-253-24P to get the LPW4 engine part numbers for your 803.

thanks

 

[spark500001]

Use TM 9-2815-253-24P to get the LPW4 engine part numbers for your 803.

thanks

 

[spark500001]

That is the data plate for the engine. How useful it is might be a different item. What parts are you ordering?

There's ordering MEP-803A parts, there are Onan specific parts, there are Lister Petter (LPW4) model parts, and of course generic parts. The most specific is always going to be MEP-803A parts, but more general parts may match, e.g., Lister made a variety of engine versions, but bear in mind that not all versions share the same components, so some care is warranted.

All the best,

2Pbfeet

thanks

 

[Mark T]

THANK YOU FOR ALL THE HELP on this we are just making sure that we order the right parts when to time to ( like a gasket kits )

 

[Ray70]

Not sure if everything comes up when searching the US Ebay site, but in the past I found a lot of OEM engine parts on the UK Ebay site.
You can also get some parts direct from Cummins' on-line site.
Also if you suspect a problem with the Cam shaft, I have a couple used ones with the gear attached in my parts stash.
As well as pushrods and rocker arms etc.
If you end up pulling the head off you could set the engine at TDC and see where the lifters are at ( both valves closed ) then you can better watch the cam location and lifter as you rotate the motor.
Looking at the Cam picture it looks like the gear is pressed on ( and may have slipped ?)
I was thinking it locked into that slot on the end, but that is the governor apparently. ( I haven't been that far into an LPW4 in several years )

 

[Mark T]

Not sure if everything comes up when searching the US Ebay site, but in the past I found a lot of OEM engine parts on the UK Ebay site.
You can also get some parts direct from Cummins' on-line site.
Also if you suspect a problem with the Cam shaft, I have a couple used ones with the gear attached in my parts stash.
As well as pushrods and rocker arms etc.
If you end up pulling the head off you could set the engine at TDC and see where the lifters are at ( both valves closed ) then you can better watch the cam location and lifter as you rotate the motor.
Looking at the Cam picture it looks like the gear is pressed on ( and may have slipped ?)
I was thinking it locked into that slot on the end, but that is the governor apparently. ( I haven't been that far into an LPW4 in several years )

Hi Ray
We are going to put the engine at TDC fist then pull the head . To confirm we are at TDC with number one piston up all the way. if it is the cam gear that slipped on the cam . We would be interested in your used camshaft and gear , could you send us pictures of this part ?
We thank you for all the help on this matter .

 

[Ray70]

Mark, FYI your rational isn't going to tell you what you want to know. The pistons will always be at TDC based on the timing marks because it isn't the crank or the gears that may have slipped.
The only thing that would be off would be the position of the valves when the piston is at TDC if the cam has slipped in relation to the cam gear.
Perhaps we can also find a way to compare aa accurate picture of my cam/gear assy. to yours to confirm if the valve lobes are not correctly indexed to say the dot on the cam gear, or something like that??