wedge air brakes
#1
04-20-2014, 07:48 AM
#3
04-28-2014, 09:29 AM
On wedge brakes the air can is attached directly to the backing plate.
On S cam braked the air can rod has a clevis on the end the is attached to an arm, the slack adjuster, that in turn is attached the the shaft of the a cam.
The easy way is the look at the orientation of the air cans on a current truck and compare it to your truck. Modern trucks use S cam brakes. Wedge brakes were phased out in the early 80's
On S cam braked the air can rod has a clevis on the end the is attached to an arm, the slack adjuster, that in turn is attached the the shaft of the a cam.
The easy way is the look at the orientation of the air cans on a current truck and compare it to your truck. Modern trucks use S cam brakes. Wedge brakes were phased out in the early 80's
#4
04-29-2014, 01:58 PM
Trailering
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On wedge brakes the air can is attached directly to the backing plate.
On S cam braked the air can rod has a clevis on the end the is attached to an arm, the slack adjuster, that in turn is attached the the shaft of the a cam.
The easy way is the look at the orientation of the air cans on a current truck and compare it to your truck. Modern trucks use S cam brakes. Wedge brakes were phased out in the early 80's
On S cam braked the air can rod has a clevis on the end the is attached to an arm, the slack adjuster, that in turn is attached the the shaft of the a cam.
The easy way is the look at the orientation of the air cans on a current truck and compare it to your truck. Modern trucks use S cam brakes. Wedge brakes were phased out in the early 80's
They still had wedge brakes for the front axles on L series in 1990. They are bad news especially now, the parts are lots of $$$$.
I have a 1990 LT-9000 with the 16000 lb axle. I have another axle and steering gear components with Meritor Q S cam brakes to install. This axle and components are from a 1993 LT8000 with a 16000 lb axle. It's a big job to change the parts but I'll be rid of the wedge brakes and have a good axle with good king pins.
FWD
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