______________________________________________________________ Hydraulic Clutch Installation Info
We feel the Quartermaster Hydraulic Clutch Release Bearing is the best product of its kind on the market today. The following instructions make reference to a drawing on the next page. It may be a good idea for you to print it. Your Hydraulic Release Bearing is designed to operate with a 3/4" master cylinder and will work with Quarter Master, AP, Tilton and Ram 90 series multi-plate clutches. In the hardware kit supplied with your Hydraulic Release Bearing you will find an additional - 3 to - 4 AN fitting. Install this fitting on your release bearing if needed. Shim the front transmission bearing retainer bolts, using the 5/16" or 3/8" washers supplied. Measure from the top of the bolt head to the transmission face. This measurement should be .800". The height of the different bolts should be within .010" of each other, the closer the better. Don't forget to set up your spare trans! We have available trans snouts with an .800" support ring built in. It eliminates the need to shim bolts. Contact us for further information. Place the Hydraulic Release Bearing over the transmission snout and measure from the face of the Bearing to the transmission face. Record this figure on the next page in the space labeled Bearing Height. Assemble the clutch and flywheel per the manufacturer's instructions, then bolt the bell housing onto the engine. Using a straight edge as a reference, measure the distance from the diaphragm fingers to the face of the bell housing. Record this figure on the next page in the space labeled Set Up Height. It is necessary to check this set up height because different cranks vary in height, and different manufacturer's bell housings also vary in depth. Click Here To View Release Bearing Drawing Go to the next page and subtract the Bearing Height from the Set - Up Height. Write this answer down in the space labeled Initial Clearance. Subtract the .100" Minimum Clearance from the Initial Clearance to obtain the Shim Stack Height. In the shim kit, there are gold .060" shims, a black .030" shim, and a silver .090" shim. Use a combination of these shims to get as close to the shim stack height without going over it. (The ideal final clearance is .100" to .125".) Place the shims over the bearing and sleeve assembly, then push it back into the piston of the Hydraulic Release Bearing assembly. Your Quarter Master Hydraulic Release Bearing is now ready to be installed. Install your Hydraulic Release Bearing into the bell housing, making sure your place the recess located on the backside of the main body over the clutch fork ball stud. Install the transmission onto the bell housing. Connect the hydraulic line (stainless steel braided preferred) from the 3/4" master cylinder to your Hydraulic Release Bearing. Bleed the system to assure a firm feeling pedal. You should also install a positive stop to limit clutch pedal. Over traveling will damage your Hydraulic Release Bearing and diaphragm spring (Clutch Fingers). After you have installed your Hydraulic Release Bearing, you need to double check your working clearance and inspect the ball stud to insure it is not keeping the Hydraulic Release Bearing up off the bolt heads. This needs to be done to insure the bearing is sitting square on the four bolt heads. Check your working clearance whenever you inspect your clutch and adjust as necessary. With this simple maintenance, your Quarter Master Hydraulic Release Bearing will last for many seasons of racing.
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