TM 1-1520-238-T-5
7–14
7–6.
CONTROLS AND INDICATORS (cont)
7–6
Table 7–1.
Hydraulic and Pneumatic Systems Controls and Indicators (cont)
Pilot Caution/Warning Panel
SWITCH/INDICATOR
POSITION
FUNCTION
PRI HYD PSI indicator
AMBER
Lights when primary system hydraulic oil pressure is
below 1250 psi.
UTIL HYD PSI indicator
AMBER
Lights when utility system hydraulic oil pressure is below
1250 psi.
OIL LOW UTIL HYD
indicator
AMBER
Lights when utility system hydraulic fluid is at minimum
operating level.
OIL BYP UTIL HYD
indicator
AMBER
Lights when oil bypassing utility pressure or return filter.
RTR BK indicator
AMBER
Lights when RTR BK switch is in BRAKE or LOCK
position.
SHAFT DRIVEN COMP
indicator
AMBER
Lights when SDC oil temperature is above 340 to 360 F
(171 to 182 C), or SDC pressurized air output is less
than 5 to 9 psi.
OIL LOW PRI HYD
indicator
AMBER
Lights when primary system hydraulic fluid is at minimum
operating level.
OIL BYP PRI HYD
indicator
AMBER
Lights when oil bypassing primary pressure or return filter.
