Do hydraulic clutches have free play?
Because a hydraulic linkage places a pressurized fluid between the pedal and the clutch, the free play that a driver can normally feel in the clutch pedal is lost. “This reduction in free pedal provides an indicator to the driver to bring the truck in to have the clutch manually adjusted.
Can a hydraulic clutch be adjusted?
The only way to adjust a hydraulic clutch is by adjusting the length of the slave-cylinder pushrod. It will turn into flexible hosing as it connects to the slave cylinder. Inside this piece is a seal, piston, rubber boot, push rod, locking nut, and adjustable nut.
How much free play should my clutch have?
Most brake and clutch pedals should have just a little bit of free play, usually about a centimeter, which is less than half an inch. If you feel that your free play is more generous than this, or that you don’t have any at all, you’ll need to adjust your pedals.
How do you bleed an air assisted clutch?
The easiest way to bleed the clutch is to use a vacuum pump to pull the fluid and air out of the system while keeping the clutch fluid reservoir topped off. Continue pumping fluid from the bleeder valve until you no longer see air bubbles in the fluid.
Where is the air cylinder in a Kenworth T680?
Basically, an air cylinder is placed in the linkage to assist manual or even hydraulic clutches. Here’s a write-up on the new Kenworth T680 with an air assist clutch. BTW, it’s mentioned under the Cab & Sleeper section of the article. Criminey Jade Thanks this. An o/o friend i have put one in her truck because she had trouble holding it down.
How does an air assist clutch work on a truck?
I have heard they greatly reduce the force needed by the driver to depress the clutch, with less movement also. Basically, an air cylinder is placed in the linkage to assist manual or even hydraulic clutches. Here’s a write-up on the new Kenworth T680 with an air assist clutch. BTW, it’s mentioned under the Cab & Sleeper section of the article.
Is the operator’s manual in the T680 truck?
The information contained in this manual is proprietary to PACCAR. Reproduction, in whole or in part, by any means is strictly prohibited without prior written authorization from PACCAR Inc. Truck Model Example i SAFETY
Do you have to touch hydraulic linkage on Eaton clutch?
The hydraulic portion should never have to be touched. If the free play isn’t right, there is normally some kind of adjustment between the clutch pedal and master cylinder for this.