TM
55-1730-229-34
AG
320A0-MME-000
TO
35C2-3-473-2
TM
1730-34/1
Figure 8-20.
Hydraulic Module Test Setup
Close
(2) Open RESERVOIR DRAIN valve
RESERVOIR DRAIN valve (13, figure 8-19).
(2) Establish a pressure of 5 psi
minimum/9 psi maximum in the reservoir
8-20) and increase pressure to 90
psi.
as follows. Open inlet valve A and ob-
serve the reservoir fluid level and 0-30
(4) Maintain pressure for two min-
psi gauge.
When the reservoir is ap-
utes minimum and inspect unit for exter-
proximately 1/3 to 1/2 full the 0-30
nal leaks.
psi gauge will indicate 5 psi minimum.
Close inlet valve A.
(5) Reduce pressure and close in-
let valve A.
(3) Maintain pressure for five
minutes and inspect unit for external
leaks.
High Pressure Proof and Leakage.
c. Return Proof and Leakage.
(See
(1) Open the return valve C.
(1) Set RESERVOIR selector on mod.
(2) Close HIGH PRESSURE BYPASS
ule being tested to AIRCRAFT.
8-50