TM 9-2320-211-20
bubbles cease to appear or when fluid flows from
the bleeder tube in a solid stream.
(f) Remove t h e b l e e d e r t u b e f r o m t h e
bleeder valve, and check the valve again to be sure
t h a t it is closed tightly. Perform the bleeding
operation at the air hydraulic cylinder as described
in paragraph 2-191 a .
(2) F i l l i n g .
CAUTION
Use nonpetroleum base hydraulic brake
fluid. The use of petroleum base oil renders
the brakes inoperative. Use care during
filling to prevent dirt and other foreign
matter from entering the reservoir.
(a) Remove the filler cap. Fill the reservoir
with new brake fluid (LO 9-2320-211-12) until the
fluid level is inch below the filler cap opening.
(b) Check the filler cap gasket to be sure
that it will seat properly. Install the cap and tighten
it.
b. Removal.
(1) Remove the cotter pin from the end of the
yoke pin, remove the yoke pin, and remove the
master cylinder push rod yoke from the lower end
of the brake pedal lever (fig. 2 - 1 7 7 ) .
(2) U n s c r e w t h e c o n n e c t o r s e c u r i n g the
ventilation line to the elbow, and remove the line
and linkage attached.
from the elbow (fig. 2-183).
( 3 ) U n s c r e w t h e c o n n e c t o r securing the
c. Installation.
hydraulic fluid line to the outlet fitting, and remove
(1) Position the master cylinder at the rear of
the line from the fitting (fig. 2-183).
the support bracket, install the four bolts in the
holes in the master cylinder mounting flange and
(4) Remove the four nuts and bolts from the
mounting flange on the front of the master cylinder,
bracket, and install the four nuts on the bolts (fig.
and remove the master cylinder from the support
bracket (fig. 2-183).
