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MARTIN CUSTOM PRODUCTS, INC. |
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1076 GATEWAY DRIVE, P O BOX 261 |
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DAYTON, OH 45404 |
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937-228-0370 |
BLEEDING INSTRUCTIONS
BE SURE ALL HYDRAULIC
CONNECTIONS ARE SECURE. NEVER USE TEFLON TAPE TO SEAL THE FITTINGS IN THE
CASTINGS. AN APPROPRIATE TEFLON PASTE LIKE THAT USED FROM THE MANUFACTURER
IS RECOMMENDED. THE HIGH PRESSURE TUBING SHOULD BE INSERTED COMPLETELY INTO
THE CAP AND FERRULE. USE ONLY TYPE "H" HIGH PRESSURE NYLON TUBING. FROM
FINGER TIGHT, THE FITTING CAP SHOULD BE TIGHTENED TWO TURNS. THIS SHOULD
LEAVE A GAP OF ABOUT .050" BETWEEN THE CAP AND THE HEX PART OF THE FITTING
BODY.
REMOVE THE FILLER PLUG FROM THE
MASTER CYLINDER TOP AND FOR STANDARD SYSTEMS, FILL RESERVOIR WITH DOT-5
SILICONE BRAKE FLUID ONLY! THE FILLER PLUG MUST BE LEFT LOOSE ALL DURING THE
BLEEDING PROCESS, SO DO NOT REPLACE IT TIGHTENED. STROKE THE MASTER CYLINDER
LEVER ARM A FULL STROKE AND OPEN THE BLEED SCREWS ON THE CALIPER FOR ABOUT
TWO SECONDS THEN CLOSE. ALLOW THE MASTER CYLINDER ARM TO RETURN TO THE REST
POSITION AND WAIT APPROXIMATELY 15 to 20 SECONDS TO ALLOW FOR THE FLUID IN
THE RESERVOIR TO TRANSFER INTO THE BORE OF THE MASTER CYLINDER THROUGH THE
TRANSFER PORT. REPEAT THE PROCESS OF STROKING THE MASTER CYLINDER AGAIN.
OPEN AND CLOSE THE BLEED SCREW THE SAME AS BEFORE. ALLOW THE MASTER CYLINDER
LEVER ARM TO RETURN TO REST AND WAIT AGAIN. IT TYPICALLY TAKES ABOUT FOUR
STROKES TO FILL THE BORE OF THE MASTER CYLINDER. CHECK THE RESERVOIR FOR
FLUID AND KEEP TOPPED UP. CONTINUE THIS PROCEDURE UNTIL A MORE FIRM PEDAL IS
REALIZED AND THE BRAKE PADS BEGIN TO MOVE. AT THIS POINT, THE PROCEDURE
CHANGES. YOU SHOULD NOW HAVE A SHORTER MASTER CYLINDER STROKE TO WORK WITH
AS THE PADS ARE MAKING CONTACT WITH THE ROTOR. FROM THIS POINT ON, OPEN AND
CLOSE ONLY ONE BLEED SCREW FOR A VERY SHORT TIME. BASICALLY, OPEN AND CLOSE
THE BLEED SCREW ABOUT AS FAST AS POSSIBLE. DO NOT BE CONCERNED IF YOU GET
ONLY FLUID. REPEATING THE PROCESS, CONTINUE TO PUMP THE MASTER CYLINDER
RAPIDLY, HOLD FIRM AND OPEN A BLEED SCREW. CONTINUE THIS PROCESS UNTIL
SATISFIED THAT THIS HALF OF THE CALIPER IS BLED. REPEAT THE SAME PROCESS ON
THE OTHER CALIPER HALF UNTIL BLED. IF A LARGE AMOUNT OF FLUID IS ALLOWED TO
ESCAPE FROM THE BLEED SCREW DURING THIS PROCESS, YOU WILL MOST LIKELY DRAW
AIR INTO THE SYSTEM CAUSING A SPONGY PEDAL. THE REASON FOR THIS IS THAT YOU
WOULD INADVERTENTLY CAUSE A STRONG VACUUM IN THE POWER SIDE OF THE SYSTEM
WITH NO MEANS FOR THE MASTER CYLINDER PISTON TO GET BACK TO THE RESTING
POSITION WHERE THE TRANSFER PORT CONNECTING THE RESERVOIR IS UNCOVERED.
WHEN FINISHED, CHECK THE
RESERVOIR FOR THE PROPER FLUID LEVEL, WHICH IS ABOUT A 1/16" BELOW THE
BOTTOM OF THE MASTER CYLINDER CAP THREADS. REPLACE THE FILLER PLUG AND
FINGER TIGHTEN ONLY. CHECK ALL HYDRAULIC CONNECTIONS FOR FLUID LEAKS.
GOOD LUCK AND GOOD RACING!
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