Electric Brake Maintenance & Adjustment - Minuteman ER26 Service Manual

12. Electric Brake Maintenance & Adjustment
•The Electric brake must be checked periodically. •The Electric brake must be checked periodically.
•Clean the electric brake by using high pressure air to remove dust and dirt. •Clean the electric brake by using high pressure air to remove dust and dirt.
•Verify the metal disk in the brake moves when pulling the arm away from the brake •Verify the metal disk in the brake moves when pulling the arm away from the brake
with a small amount of pressure. with a small amount of pressure.
• Verify that the air gap with the electric brake mounted and with nominal voltage directly • Verify that the air gap with the electric brake mounted and with nominal voltage directly
applied to it. It must measure between 0.19 and 0.31mm. applied to it. It must measure between 0.19 and 0.31mm.
•Use a feeler gauge to check the air gap at 120° intervals around the diameter of the brake. •Use a feeler gauge to check the air gap at 120 intervals around the diameter of the brake.
•If the air gap needs adjustment: Remove the electric brake from the drive motor. •If the air gap needs adjustment: Remove the electric brake from the drive motor.
•Adjust the three adjustable spacers equally (shown below) as needed. •Adjust the three adjustable spacers equally (shown below) as needed.
•Reinstall the brake and apply power to verify the air gap. •Reinstall the brake and apply power to verify the air gap.
•Repeat the process as needed until the correct air gap is obtained. •Repeat the process as needed until the correct air gap is obtained.
•The electric brake will work properly up to 0.15mm minimum air gap. •The electric brake will work properly up to 0.15mm minimum air gap.
o
Do NOT adjust this setting
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