I wonder if thats to do with getting the pump aligned correctly as much
as the seal.
The CVH oil pump has a small amount of play in it's fixing holes and
needs to be aligned centrally on the crank, even (as i'm sure is also in
the Haynes manual) if it means there is a step in the joint with the sump.
I'm sure the Haynes manuals used to say to fit the oil pump without the
seal so you could visually align the oil pump centrally on the end of
the crank.
I've never had to tap in the replacement seals on a CVH or Zetec, if you
put some grease on the outside of the seals you can push them in with
your fingers, the only problem is making sure they don't go in too far
so i usually use a small block of wood to press them in flush.
The only time i had troubles with the seals was many years ago when i
put some in dry, the friction between the crankshaft and the seal before
the oil got to it was enough to damage it.
Jim
On 15/04/2012 19:23, Robert Craig wrote:
Just had a check - It was in the CVH rebuilding and tuning manual. It
says that the seal should be fitted in the pump and the pump fitted to
the engine, after covering the crank end with masking tape and grease
to avoid damaging the seal. It also says that chapping the seal into
place with a suitable sized tube is a recipe for leaks.
I guess it's worth trying to do it in situ first - worst case is that
you ruin a £10 seal and then do it the way they suggest.
When I finally get round to doing the overhaul on my spare engine I'll
be replacing the pump anyway, so not an issue at that stage.
Bob Craig
----- Original Message ----- From: "Jim Hearne" <[email protected]>
To: <[email protected]>
Sent: Saturday, April 14, 2012 9:11 PM
Subject: Re: [Quantum Owners] cvh oil seal
I'm not sure why, i've done quite a few of those in situ without
problems.
Jim
On 14/04/2012 20:00, Robert Craig wrote:
Hi Bill,
If it's a CVH, then the seal is in the oil pump and Haynes
don't recommend trying to fit it in situ. If I remember correctly the
pump needs to come off and that means removing the sump as well.
Bob Craig
----- Original Message ----- From: "reckless_b"
<[email protected]>
To: "Quantum Owners Group" <[email protected]>
Sent: Wednesday, April 11, 2012 5:41 PM
Subject: [Quantum Owners] cvh oil seal
Hi, can anyone help with the size of the front crankshaft oil seal I
have 35 x 50 x 7 but don't know if this is right. I have to change the
seal before stoneliegh the leak is quite noticable an I get a few
fumes when it gets on the exhaust. Cheers Bill
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