Greetings Bob,
I think using more bearings may run you into difficulties that would lead to
real early failure, with the balls striking each other and some binding with
no reliable spacing.
http://www.pressure-washer-parts.com and http://www.PressureParts.com
have both been very useful in finding all the parts for the 3 Karcher
pressure washers I have maintained over the past few years. Mine and the two
units with in-laws have been very good and useful tools.
Later,
Michael Lowe
Black Forest, CO
I hope this did not double post with the earlier draft I started, if so, I
am sorry.
-----Original Message-----
From: shop-talk-owner@autox.team.net [mailto:shop-talk-owner@autox.team.net]
On Behalf Of Bob Nogueira
Sent: Sunday, November 05, 2006 11:44
To: Shop Talk
Subject: Ball Bearing cage
I'm attempting to repair a cheap pressure washer which quit working after
just using it a few times. Karcher ( the manufacturer of this piece of junk
) does not appear to offer replacement parts only exchange on units which
are still in warranty .
I've found the problem, the plastic ball bearing cage is chewed up. The
bearing ride on a wobble cam and operate the cylinders that pressurize the
water.
The wobble cam has a groove that the bearings ride in and the top plate
(race) is spring loaded to sandwich the ball bearings in place ( in the
groove).
Well my question, do you think I could simply not use the cage to evenly
locate the ball bearings around the cam and instead use more ball bearings
so they remain evenly spaced?
( Simply put does the cage in a ball bearing unit function only to space the
bearings and can packing more ball bearings into the unit substitute for
using a cage?)
Bob Nogueira ( who loves the challenge of making a piece of junk actually
work)
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