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Old 30th June 2008, 17:17   #1 (permalink)
mitzy69
 
Join Date: Oct 2006
Location: berkshire
Posts: 37
Relay solenoid armature lubrication
Is it advisable to lubricate the armature of a solenoid.
as the starter on my car failed to engage, and after a tap it worked.
On the L1011 the pax door locks were solenoid operated and we were told never to lubricate the sliding plunger.
I took the starter solenoid apart and cleaned and polished it, and assembled it dry.
any info or regulations would be appreciated.

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Old 4th July 2008, 06:36   #2 (permalink)
Chief Tardis Technician
 
Join Date: Jan 2001
Location: Western Australia S31.715 E115.737
Age: 56
Posts: 240
The armature should remain dry. Oil can collect dust and grime causing it to jam. The clearance between the solenoid and armature is very small.
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