JLG 40xxPS Operator Manual - Manual (Page 59)

Section 3 - Controls and Indicators
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13. Continuous Auxiliary Hydraulics Switch:
a. Depress and release front of switch for continuous operation of hydraulic
powered attachments. Set continuous auxiliary hydraulic level (-100% to
100%) within 10 seconds using the keypad up/down arrow buttons (see
page 3-8). See Section 5 - Attachments and Hitches for approved
attachments and control instructions.
b. Relieves auxiliary hydraulic circuit pressure. See page 5-18.
Heater and Air Conditioning Controls
14. Fan Speed Switch: Adjustable rotary switch.
15. Recycle/Fresh Air Switch (if equipped): Adjustable rotary switch.
16. Temperature Control Switch: Adjustable rotary switch.
17. Air Conditioning Switch (if equipped): On/Off switch.