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Piper PA-28RT-201T Service Manual

Piper PA-28RT-201T
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3. Bleed the brakes per Bleeding Brakes.
BLEEDING BRAKES.
BRAKE BLEEDING PROCEDURE. (Gravity)
1. On both main landing gear wheel brake assemblies, attach a clear plastic hose to the brake bleeders
and extend into container partially filled with hydraulic fluid, MIL-H-5606. The ends of this hose should be
submerged in the fluid. Open both bleeders approximately one and one-half to two turns.
2. Fill the brake reservoir on the firewall with hydraulic fluid, MIL-H-5606.
3. Disconnect the toe brake cylinders from the pedal connection by removing clevis pin, washer and
cotter pin.
4. Invert toe brake cylinder to aid in releasing trapped air in the top of the cylinder.
5. Check toe brake pedals in the cockpit to insure pedals are pulled full aft.
6. Pull the hand brake handle, pumping the master cylinder very slowly approximately 25 times until
fluid is observed passing through the clear plastic hoses at the wheel cylinder.
—NOTE—
Fluid level in the reservoir must be maintained to prevent air
from entering in the line.
7. Tighten both wheel bleeders.
8. Pull hand brake until a firm handle is maintained.
BRAKE BLEEDING PROCEDURE. (Pressure)
1. Place a small clear plastic hose on the vent tube of the brake reservoir and place a second small clear
plastic hose on the bleeder fitting on one main landing gear. Place the open ends of these tubes in a suitable
container to collect the fluid overflow. Open the bleeder fitting one or two turns.
2. On the other main gear, slide the hose of the pressure unit over the bleeder fitting then open the fitting
one or two turns and pressure fill the brake system with MIL-H-5606 fluid.
3. With fluid continually flowing through the brake system, SLOWLY and together actuate the hand
brake and the toe brake pedal of the side being bled, several times, to purge the cylinders of air. On dual brake
installations, both right and left pedals must be actuated.
—NOTE—
By watching the fluid pass through the plastic hose at the fluid
reservoir and the bleeder fitting on the gear being bled, it can be
determined whether any air is left in the system. If air bubbles are
evident, filling of the system shall be continued until all the air is
out of the system and a steady flow of fluid is obtained. Should
the brake handle remain spongy, it may be necessary to
disconnect the bottom of the toe brake cylinders (next to the
pedal) and rotating the cylinder horizontally or even above
horizontal and by use of the hand brake alone, purge the air from
the system.
32-40-25
Page 32-54
December 1, 1978
2F13
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL

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Piper PA-28RT-201T Specifications

General IconGeneral
BrandPiper
ModelPA-28RT-201T
CategoryAircrafts
LanguageEnglish

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