I need info on how to rebuild or replace a master cylinder at home

REMOVAL WARNING: BRAKE FLUID CONTAINS POLYGLYCOL ETHERS AND POLYGLYCOLS. AVOID CONTACT WITH EYES. WASH HANDS THOROUGHLY AFTER HANDLING. IF BRAKE FLUID CONTACTS EYES, FLUSH EYES WITH RUNNING WATER FOR 15 MINUTES. GET MEDICAL ATTENTION IF IRRITATION PERSISTS. IF TAKEN INTERNALLY, DRINK WATER AND INDUCE VOMITING. GET MEDICAL ATTENTION IMMEDIATELY. CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water. NOTE: ABS equipped vehicle shown; non-ABS vehicles similar. 1. Remove the air cleaner outlet tube. 2. Disconnect the battery ground cable. 3. Disconnect the brake fluid level warning switch electrical connector. 4. Disconnect the brake lines and plug the lines and the brake master cylinder ports. 5. On M/T vehicles, disconnect the hydraulic clutch line from the brake master cylinder reservoir. NOTE: Use a suitable suction devise to drain the brake master cylinder reservoir. 6. Remove the brake master cylinder. 1 Remove the nuts. 2 Remove the brake master cylinder. Roy