From: Hutterer, John (MPAU) (john.hutterer@smiths-medical.com)
Date: Thu May 04 2006 - 05:59:32 PDT
Patrick,
I have an M816 wrecker and was having similar problems. It was filled
John
-----Original Message-----
Sometimes I notice that the brake pedal has alot of travel before
Patrick
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Smiths Medical is a Division of Smiths Group plc. Incorporated in England No: 362847 Registered Office: 765 Finchley Road London NW11 8DS, UK
with new silicone brake fluid, after I had replaced the master cylinder.
I thought that I had bled the brakes properly, with help from a friend
pushing on the pedal, but must not have been as thorough as I should
have been. I let the truck sit for several days, and then hooked up a
pressure bleeder to it. I connected a clear plastic hose to each bleeder
valve and watched the fluid as it came out. I was absolutely amazed at
how much air was still trapped in the system. It took me nearly a gallon
of fluid to bleed it completely out. A friend, who is a mechanic for the
Army Reserve, says that it is his standard practice to bleed the brakes
on a vehicle, let it sit over night, and bleed them again in the
morning. He invariably finds that there is still air trapped in the
system in the morning, and that it comes out with the second bleeding.
The brakes on my 5 ton work perfectly now.
From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org] On
Behalf Of Patrick Jankowiak
Sent: Wednesday, May 03, 2006 8:46 PM
To: Military Vehicles Mailing List
Subject: [MV] M35 brakes
'hitting the brakes' when the truck's running gear is cold. After run a
while down the hiway, the pedal does not travel as far before 'hitting'
the brakes, even though the brakes have not been used since I pulled
away from the starting point. No problems stopping, DOT5 fluid, but this
is odd, anyone know what it might be?
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