Table 7–1. Hydraulic and Pneumatic Systems Controls and Indicators (cont)

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.