Luther Gulseth wrote:
How hard is this to do on the 617's?
As I recall, 61x pumps don't to have O rings (at least they don't ever
seem to leak). Changing/replacing the delivery valve seal is just like
on the later pumps. It's all covered in the 617.95 manual section 7.1-210
Marshall
--
Loren Faeth wrote:
The best explanation I have is an analogy to the common LDPE milk
bottle. The molecular structure of LDPE is pretty much like a window
screen. It is fine enough to hold in water and milk molecules, but
aldehydes go through. If you have heard purists claim that milk
Marshall, thanks for your input. There certainly could be other
factors. I had changed glow plugs, timing chain, valve seals, fuel
filters, battery, starter and probably a few other things with no
change. Many of these were changed for other reasons, but some were
changed to chase the
Loren Faeth wrote:
Marshall, thanks for your input. There certainly could be other
factors. I had changed glow plugs, timing chain, valve seals, fuel
filters, battery, starter and probably a few other things with no
change. Many of these were changed for other reasons, but some were
I had some cold starting issues as well prior to my change, including
rough idle at cold startup and the IP seeming to lose its prime. (Air
bleed cranking procedure)
However, Dr. Booth is the expert here.
-j.
It is possible that the copper seals had leaked too. As to the o-ring
situation, This pump has leaked off and on for quite a while. (years) One
thing i do know from experience is that it IS possible to have air leak
through both rubber hoses and through rusty areas on steel lined under
How hard is this to do on the 617's?
~
~I have no idea if I have defined a test for delivery valve seal
~leakage. All I can say is that if you have a diesel that is 15-20 years
~old and the IP o-rings have not been replaced, I highly recommend changing
~the o-rings, copper seals and springs.
Loren Faeth wrote:
Several of us over the years have encountered slow starts when cold (Below
zero or below freezing cold starts). This is accompanied by clouds of
smoke and rough running and low rpm even whit the pedal floored. In the
case of my SDL, it got worse over time, with the onset
]
Subject: [MBZ] 603 IP, smoking and starting
Several of us over the years have encountered slow starts when cold (Below
zero or below freezing cold starts). This is accompanied by clouds of
smoke and rough running and low rpm even whit the pedal floored. In the
case of my SDL, it got worse
