OPERATING CONTROLS AND PROCEDURES 5540F/YB5515 OPERATOR’S MANUAL
3-4 Published 10-21-2011, Control # 055-03
Parking Brake Switch
See Figure 3-5 for the following procedure.
The parking brake switch is used to engage and disengage
the parking brake.
To ENGAGE the parking brake, move the switch lever
down.
To DISENGAGE the parking brake, move the switch
lever up.
Auxiliary Winch Switch (Optional)
See Figure 3-5 for the following procedure.
This switch operates the optional winch attached to the front
end of the crane.
To UNWIND rope from the winch drum, hold the switch
lever up.
To WIND rope on the winch drum, hold the switch lever
down.
Windshield Wiper Switch (Optional)
See Figure 3-5 for the following procedure.
Move the switch lever down to turn on the front windshield
wiper motor.
Heater/Defroster Switch (Optional)
See Figure 3-5 for the following procedure.
This switch is used to simultaneously start both the heater
and defroster fans. It is a three-position switch.
The up position is for SLOW fan speed.
Ignition Switch
Steering
Selector
Switch
Windshield
Wiper Switch
Parking Brake
Switch
Optional
Axle Lockout
Switch
Dual Fuel
Switch
Auxiliary
Winch Switch
Heater/Defroster
Switch
Work/Head Light
Switch
FIGURE 3-5
p1617
p1617
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