Hydrometer... good idea - shall give it a go at the weekend... not something
i'd ever considered for the toolkit.
Cheers
Tim
----- Original Message -----
From: Stephen Somers <stephen.somers@virgin.net>
To: Tim Bell <tcb@hasher.demon.co.uk>
Cc: Military Vehicles List <mil-veh@skylee.com>
Sent: 06 May 1999 19:16
Subject: Re: [MV] FORD GPW Electrical Problem
Hi Tim
Tim Bell wrote:
> ... Is it likely that > the battery got blasted by the short ?
The only certain method for determining battery condition is to test the
acidity of its cells. Beg, borrow or visit Halfords for a hydrometer.
Each cell of a fully charged battery should give a specific gravity
(relative density?) reading of between 1.280-1.300 (32-34 deg Baume), and
1.150 (19 deg Baume) if fully discharged, at 60 deg F ambient.
It may be that one or more cells will give a reading at variance with the
others, which would indicate terminal illness.
Another possibility is that the voltage sense wire in the charging
circuit (if you have such a wire) has been rendered high resistance by
the fire. This would have the effect of holding the level of charge low.
-- Steve Somers (Project Leader)'75 Land Rover 101" Forward Control, 1-Tonne, General Service (62FL50 - Royal Artillery/2 Commando)
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