 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM
9-2350-238-20-2
F-19.
TOW WINCH HYDRAULIC SUBSYSTEM.
Functional
Description.
d. Moving the handle of the directional
a. The
hydraulic
fluid
power
for
the
control valve (1) in PAY OUT position has
operation
of
the
tow
winch
is
supplied
by
the same effect as in PAY IN except that
the
hydraulic
power
subsystem.
the hydraulic fluid is routed in the opposite
direction through the hydraulic motor (8).
b. T h e t o w w i n c h h y d r a u l i c s u b s y s t e m
The relief valve (10) controls the rate of
controls the power for tow winch operation
flow in the return line.
when pulling or releasing a load.
e. When the handle of the directional
Moving the handle of the directional
c.
control valve (1) is in the neutral position,
control valve (1) in the PAY IN position
hydraulic fluid from both 40 gpm hydraulic
directs hydraulic fluid to release brake (7)
pumps flows through the open center port
and operate the hydraulic motor (8) to
to the reservoir.
retrieve the tow winch wire rope. Return
fluid from the hydraulic motor (8) flows
f. I f t h e b o o m w i n c h i s u s e d a t t h e
through the pressure relief valve (10) and
same time that the tow winch is being
the directional control valve (1), then to the
used, the tow winch operation will be
reservoir. The relief valve (4) limits hydrau-
slowed
down
in
to
boom
winch
lic pressure when paying in to 2150 psi
use.
(14,824 kPa) to
protect
winch
components
from overload.
F-38
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals