Master Cylinder: Reassembly

Lubricate primary and secondary pistons, and cylinder bore with clean brake fluid. Position secondary spring (short spring) in open end of secondary piston actuator. Position return spring (long spring) on projection at rear of secondary piston. Place secondary piston, actuator end first in master cylinder bore and press assembly into bottom of bore. Insert primary piston, actuator end first into bore.
Using a smooth round end tool with snap ring placed over it, depress piston in bore. Install snap ring in groove. Place' compensating valve seals and small "O" ring seal in recesses in bottom of reservoir. Make sure seals are fully seated. Depress pistons and place compensating valve springs and poppets in valve ports. With piston still depressed, place reservoir in position. Install bolts and tighten to 12 to 15 ft.lbs.