Master cylinder (page 3 of 5)

70M 0236 A Piston guide B O-Ring C Secondary piston assembly D Primary piston assembly 5. Remove the piston guide, secondary piston assembly and primary piston assembly. Note: If the primary piston assembly is difficult to remove, apply compressed air from the primary piston side port. CAUTION: Do not use high pressure air or bring the nozzle too close to the port. Place a cloth over the master cylinder to prevent damage to the primary piston when being ejected.

70M 0237 A Reservoir cap B Reservoir seal C Strainer D Reservoir E Master cylinder 6. Remove the reservoir cap, strainer and reservoir from the master cylinder. Check for blockage of cap vent hole and clean strainer. 7. Remove the reservoir seal from the reservoir cap, check cap seal for damage or deterioration.