John Deere 450CLC Excavator — Rear Switch Panel

Operation—Operator's Station Front Switch Panel Functions 1. Engine RPM Dial: Turn dial clockwise to increase engine speed or counterclockwise to decrease engine speed. E (Economy) Mode Use E mode to improve fuel efficiency and reduce noise level with a small difference in engine speed. 2. Auto-Idle/Auto-Acceleration Switch: With engine on, move auto-idle/auto-acceleration switch to A/I. Auto-idle indicator will light when auto-idle is on. 4. Travel Speed Switch: Turn switch to select fast or slow speed travel. The engine will run at the engine rpm dial setting for 4 seconds after turning key switch ON. The auto-idle system will then slow the engine to auto-idle engine speed. 5.

Operating Lights Switch: Turn switch to first position to turn on operating light. Monitor panel will also light. Turn light switch to second position to turn on boom light, cab lights, and operating light. Monitor panel lights will go off. The auto-idle circuit automatically reduces engine speed after 4 seconds when control levers are placed in neutral position. 6. Wiper Switch: Wiper switch has several positions: Engine speed increases to engine rpm dial setting when any control lever is operated. OFF .....Wiper automatically stops operating and is retracted. Engine rpm will change depending on rpm dial setting and position of control levers. Typically used for grading operations. INT ...

Wiper operates intermittently at the interval selected by the switch position. Turn auto-idle/auto-acceleration switch OFF and set engine rpm dial to improve machine control in difficult work areas, loading and unloading. ON ..... Wiper operates continuously NOTE: The wiper and washer do not operate unless the upper front window is completely closed. Alarm will sound if either washer or wiper is operated with the window open. 3. Power Mode Switch: Move switch to select engine speed mode. H/P (High Power) Mode Washer Switch: Push and hold switch to squirt fluid on windshield. Do not hold down switch for more than 20 seconds.

Use H/P mode when extra horse power is needed for rolling in the arm in excavation work. P Mode Use P mode when general digging work is needed. TX14740,0001C92 -19-24JAN07-1/1 Rear Switch Panel 1. Boom Mode Switch: When switch is ON, boom rod end relief valve pressure is reduced . This prevents lifting the undercarriage while arming in. When switch is OFF the machine operates normally. 2. Precision Mode Switch: When switch is ON all hydraulic functions operate at slower than normal speed with an increase in boom circuit pressures. T140857 —UN—27JUN01 3. Accessory Power Port: 12-volt 5-amp electrical port provided for service and maintenance. 4. Lighter: For operator convenience.

Can also be used as a electrical port for service and maintenance for 24-volt appliances. 1— Boom Mode Switch 2— Precision Mode Switch 3— Accessory Power Port 4— Lighter TX14740,0001D08 -19-30MAR01-1/1 2-1-4 060313 PN=32