P38A DSE Throttle but no revs

Grrrrrr · Jan 12, 2021

Just checking, when you said the timing chain had been done, you mean both the chains, yes? Anything else? Sprockets, tensioner?

With new chains you should be pretty much spot on 50% modulation at warm idle (750rpm @ 128 setting).

Brannigan · Jan 12, 2021

Grrrrrr said:
Just checking, when you said the timing chain had been done, you mean both the chains, yes? Anything else? Sprockets, tensioner?

With new chains you should be pretty much spot on 50% modulation at warm idle (750rpm @ 128 setting).

Only both chains and tensioner, not the sprockets.

Grrrrrr · Jan 12, 2021

Brannigan said:
Only both chains and tensioner, not the sprockets.

Beyond my ken. I'd check the static timing with a dial guage as per RAVE. If that fails then Wammers is your best bet. He's the diesel god.

wammers · Jan 12, 2021

Mark Piercy said:
Your welcome, good luck and steady away.

Brannigan said:
Only both chains and tensioner, not the sprockets.

Should be plenty of space to turn pump either way. Looks like garage got link count wrong crank sprocket to pump sprocket. Should be twelve raised links timing mark to timing mark. That would also put valve timing out.

wammers · Jan 12, 2021

After all above is said, if engine runs it should still transision between idle and throttle. Rough as a bears arse maybe but still do it.

Brannigan · Jan 13, 2021

wammers said:
Should be plenty of space to turn pump either way. Looks like garage got link count wrong crank sprocket to pump sprocket. Should be twelve raised links timing mark to timing mark. That would also put valve timing out.

My thoughts too

Brannigan · Jan 13, 2021

wammers said:
After all above is said, if engine runs it should still transision between idle and throttle. Rough as a bears arse maybe but still do it.

Engine seems to run fine, slight hesitation between 1000 & 1300rpm apart from that not running rough. Guess am gonna have to go with wammers on the tooth count, was what I was thinking too.

P38A DSE Throttle but no revs

Grrrrrr

Technician, Bodgit & Scarper Ltd

Brannigan

Member

Grrrrrr

Technician, Bodgit & Scarper Ltd

wammers

No longer with us, RIP

wammers

No longer with us, RIP

Brannigan

Member

Brannigan

Member

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