I have found the fill plug, it does have the hard vent line.
As it turns out this is the easier way I was asking about, the plug with the
square hole is on the out side next to the frame rail.
I cannot tell you how happy it makes me to find that I don't have to try to
fill it in THAT hole, from the side!
Thanks to all who cleared this bit of confusion up for me.
rikk
-----Original Message-----
From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org]On
Behalf Of jonathon
Sent: Saturday, December 30, 2000 11:58 PM
To: Military Vehicles Mailing List
Subject: Re: [MV] M35A2 Brake master cylinder
>Can someone who's been there give me the detailed explanation on how to
>check the master cylinder on an M35? I found the plug on the side with the
>1/2" square hole, and if my understanding is correct, you pull the plug and
>the level needs to be within 1/2" of the bottom of the hole.
I have an M35-A2C and I did a brake job on it which included bleeding all
the cylinders but I have no clue what your talking about with a plug on the
side. The fill plug is on top. It has a right angle tube fitting screwed
into it. You must first remove the tube from the fitting then you can
unscrew the cap. Getting the tube off and the cap off is best done from
underneath. Checking the level and filling is best done thru the trap door
in the cab floor. Beware, it is very easy to get crap and stuff to fall
into the open hole of the master cylinder. I made up a small funnel with a
foot or so piece of hose on it to stick down thru the trap door and into the
resevoir.
>Is there an easy way to check it?
>Is there an easy way to add to it if it needs it?
No and No, it all has to be done thru the trap door after you have removed
the tube and the cap.
By the way, I installed "Speed Bleeders" on all 6 wheel cylinders and they
work very VERY well. I did a complete bleed and purge job, that's 6
cylinders, in 20 minutes, alone. Most of that time was spent refilling the
master. Which by the way, some more words of wisdom, DO NOT LET IT RUN DRY.
I did, once, and it took a bunch of trouble to get the master itself primed
again so that it would start pumping.
Good Luck,
je
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