TM 55-1730-229-12
AC 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
DUAL MANIFOLD NOT USED FOR SERVICING CH-47 CHINOOK
NOTE:
AIRCRAFT.
TWO SPECIAL ADAPTER HOSES (2 FOOT) ARE PROVIDED TO
MATCH HIGH PRESSURE AND RETURN HOSES TO CH-47 CONNECTORS.
Hydraulic System, Simplified
c. Dual Manifold. A separate dual
eter and the return (low pressure) hose
manifold, figure 4-64, is included in
is 3/4 inch diameter.
The four (two
the hydraulic system to accommodate the
output and two return) adapter hoses are
need for dual outlet and return connec-
ten feet long.
tions.
The single input is branched to
two equal output lines, and two returns
e. Hydraulic System Function. The
are combined into a single return path.
most common hydraulic system operating
Valves and fluid ports are provided for
mode is that of supplying hydraulic
filling and draining hoses.
If dual
power to an aircraft.
The hydraulic
manifold is damaged beyond repair, re-
flow diagram for this mode is on foldout
place with a serviceable unit.
A schematic of the hydraulic
system electrical controls and indica-
d. Hoses and Lines. Plumbing be-
tors is shown on figure FO-9. Hydraulic
tween the pump and module consists of
flow diagrams for other modes of oper-
fixed tubing with sections of hose at
ation are shown on figures FO-11 (ser-
the end near the pump.
The hoses be-
vicing aircraft using aircraft reser-
tween the hydraulic module and dual
voir), figure FO-12 (warming fluid in
manifold are 30 feet long.
The output
module), figure FO-13 (warming fluid in
(high pressure) hose is 1/2-inch diam-
hoses), and figure FO-14 (bleeding air).
