TM 55-1730-229-12
AC 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
Hydraulic Control Panel, Controls and Indicators
Control or
Function
Indicator
Description
Hydraulic Control Panel (figure 2-2)
Electrical Panel
POWER switch
Two-position (ON/off)
Controls dc power to hydraulic module
circuits.
toggle switch
(S1)
(guarded)
POWER ON
Illuminates when hydraulic module POWER
Green indicator light
switch is set to ON.
indicator (DS2)
HR MTR running
S-digit time indicator
Indicates the hours of hydraulic module
operation. Starts when POWER switch is
time indicator
set to ON.
(M1)
HI TEMP
Red warning light
Illuminates when hydraulic fluid tempera-
ture exceeds 275oF (135oC).
indicator (DS1)
Protects against overloads in the panel
CIRCUIT BREAKER 7.5 amp, push-pull,
light circuit and in circuits controlled
(CB1)
by POWER switch (S1).
240oF
Illuminates when hydraulic fluid tempera-
Amber indicator light
ture exceeds 240oF (ll6oC).
indicator (DS3)
160oF
Illuminates when hydraulic fluid tempera-
Amber indicator light
ture exceeds 160F (7loC).
indicator (DS4)
PANEL LIGHTS
Controls panel lights.
Three position
(BRT/OFF/DIM)
switch (S2)
toggle switch
SYSTEM READY
Illuminates when hydraulic fluid tempera-
Green indicator light
ture exceeds 70oF (21oC).
indicator (DS5)
REPLACE FILTER
Illuminates when hydraulic fluid filters
Amber indicator light
are dirty.
indicator (DS7)
PRESS TO TEST
Tests all indicator lamps on hydraulic
Two-position toggle
control panel.
switch. Spring loaded
LIGHTS switch
to off (up) position.
(S3)
