Leaky 540 plain bearing spindle

This topic has 3 replies, 3 voices, and was last updated 26 February 2021 at 11:29 by Howard Lewis.

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24 February 2021 at 20:55 #529929
Dave S
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@daves59043
Evening all,

my J&S 540 has decided to go all British on me and is leaking.

It has a palin bearing head, and the the rear seals for the wheel headset I think the culprit.
Has anyone replaced these?

The parts manual is not much help – the front seal is 1” Oil Seal and the rear is 1 3/8” oil seal.

Dave
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24 February 2021 at 20:55 #20171
Dave S
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@daves59043
26 February 2021 at 09:28 #530237
Tony Ray
Participant
@tonyray65007
Hi,

the guys on the practical machinist abrasive forum are very helpful and knowledgeable if you don’t find the answer here. In the UK Andmar support these grinders and may be willing to offer you some advice.

Tony
26 February 2021 at 11:29 #530272
Howard Lewis
Participant
@howardlewis46836
If you can measure the shaft and housings, the seals will probably be standard lipseals, obtainable from a local bearing supplier., unless they are a special for the application.

It would be worthwhile to turn up some dollies for fitting the new seals, to minimise risk of damage. Lubricate the shaft before putting it through the seals, and wrap masking tape over any threads or keyways for reassembly. And don't touch the seal lips!

Stripping down and reassembling and resetting the machine is where you need to communicate with folk who are familiar with the machine.

Howard
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Leaky 540 plain bearing spindle

Leaky 540 plain bearing spindle

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