TM 5-3810-207-20/TO 36C23-3-37-12
and in turn actuates the clutch through cylinder linkage.
When pressure is released, a return spring causes the
cylinder piston to return to its normal position, and fluid is
returned through the connecting line -to the master
cylinder.
129. Master Cylinder
a.
Removal.
(1)
Drain master cylinder.
(2)
Remove the master cylinder as instructed
on figure 59.
b.
Cleaning, Inspection, and Repair.
Caution:
Make sure the working area is clean
and dust-free, wherever hydraulics or
their
principles
are
involved.
Cleanliness is the greatest factor of
good hydraulic operation.
(1)
Clean all parts with an approved cleaning
solvent.
(2)
Inspect all parts for breaks, leaks, and other
damage. Replace as necessary.
c.
Installation.
(1)
Install the hydraulic master cylinder as
illustrated on figure 59.
(2)
Fill the master cylinder with hydraulic oil
(LO 5-3810-207-20).
(3)
Bleed the hydraulic system (par. 133).
130. Boom Hoist Brake Hydraulic Cylinder
a.
Removal.
(1)
Drain boom hoist brake hydraulic cylinder.
Figure 59. Hydraulic master cylinder, removal and installation.
91
