hi all, I am repairing a coolant pump of a kenlow preheater setup on my car.
a couple of days ago the pump jammed and on disassembly the cause was found
to be little bits of grit that has caught between the rotating metal drum
and the induction motor in its centre. after clearing the grit the unit
works ok but I was wondering if its worth while lubing the spindle that the
drum locates on with a dab of grease. I will also run the pump upside down
i.e. with the impeller underneath the motor so as to avoid the natural
'sump' that caused the seize in the first place.
anyone have any issues with what I propose or suggestions?
uk.rec.cars.maintenance might be a good venue for your post.
If you've found grit/sludge/crap in the pump it will also be spread around
the whole engine cooling system. I would suggest that you make sure the
cooling system is well & thoroughly cleansed before doing anything else.
I imagine that by *drum* you refer to the impellor. A light dab of
water/heat proof grease (copaslip?) on the impellor shaft won't do any harm
and will aid dismantling in the future.
I don't know the layout of the Kenlow preheater system but would suggest
that you keep within the manufacturers guidelines as regards positioning.
nickswan at zoom dot co dot uk
i ratrly cros post but did on this occasion to uk.rec.car.main as you
suggest but as this is a such a fine group i thuoght id get some valuble
oppinions on here too. kenlowe didnt recomed any particular orientation for
the pump. car has now had a good power flush. by drum i mean drum which
has the impellor molded into it. the drum then slides over the stator(?)
with a v small clearance and is held in place by a spindel....(damn wish id
kept that digi camra!) there apears to be no lube...ecept maybe the water.
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