Published 01-15-2016, Control # 526-01 3-3
RT540E OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
Turn Signal Lever and Windshield Wiper/
Washer/Horn Controls
The Turn Signal Lever, Horn and Windshield Wiper/Washer
Controls (1) (Figure 3-2) are located on the left side of the
steering column. Pushing the turn signal lever down causes
the left front and left rear turn signals to flash. Pushing the
turn signal lever up causes the right front and right rear turn
signals to flash.
The windshield wiper switch is incorporated in the turn signal
lever. The knob of the lever has four positions: O, I, II and
interval wiping. Pushing the button in the end of the knob
energizes the windshield washer pump to spray washer fluid
on the windshield. Positioning the knob to I operates the
wiper at low speed and positioning the knob to II operates
the wiper at high speed. Positioning the knob to O turns the
wiper motor off and automatically returns the wiper to the
parked position.
Pushing the small button on the end of the lever sounds the
horn.
Steering Column Tilt Lever
The steering control column can be rotated rearward
approximately 30° and raised approximately 60 mm (2.3 in).
Rotate the control lever (2) (Figure 3-2) down to lock the
steering column in place; rotating the lever up releases the
steering column for adjustment.
Park Brake Control Switch
The Park Brake Control Switch (3) (Figure 3-2) is located on
the front of the steering column. The switch is illuminated
when the key is in the ON or Start position. This two-position
rocker switch (ON/OFF) is used to apply and release the
parking brake on the drive line. The red Park Brake Indicator
light on the CCS display is illuminated when the pressure
switch in the brake release system is active and the brake is
applied.
Headlights Switch
The Headlights Switch (4) (Figure 3-2) is located on the front
of the steering column. This three-position rocker switch
(OFF/Park/Headlight) controls operation of the instrument
lights, switch LED’s, and the marker lights on the front, rear,
and side of the crane. The switch is illuminated when the key
is in the ON or Start position.
Drive Axle Selector Switch
The Drive Axle Selector Switch (5) (Figure 3-2) is located on
the front of the steering column. This two-position rocker
switch is used to select either two-wheel drive (high range)
or four-wheel drive (low range). The switch controls a
solenoid valve (energized for two-wheel drive) that operates
the speed range and axle disconnect cylinders on the
transmission. The icon background on the CCS operating
display turns yellow when the crane is in four-wheel drive
mode. This icon will flash if, while the engine is running, the
switch position is changed when the transmission is not in
Neutral and the brake pedal is not pressed. The drive axle
can only be changed when the gearshift is in Neutral and the
brake pedal is pressed. The switch is illuminated when the
key is in the ON or Start position.
Hazard Lights Switch
The Hazard Lights Switch (6) (Figure 3-2) is located on the
front of the steering column. The switch is a two-position
rocker switch (ON/OFF) that causes the four turn signal
lights to flash at the same time when the switch is positioned
to ON. When the switch is positioned to ON, the turn signal
indicator lights on the steering column will flash.
Increment/Decrement Switch
The Increment/Decrement Switch (7) (Figure 3-2) is a three
position momentary rocker switch with center maintained
position being off. Use this switch to adjust engine speed.
Press the top or bottom of the Increment/Decrement Switch
to increase or decrease the low engine idle.
The Increment/Decrement Switch is used to adjust engine
rpm. Quickly press the top of the switch once to go to full
engine rpm; quickly press the bottom of the switch once to
return to low engine idle. If the engine speed is below the
maximum rpm setting, pressing and holding the top of the
switch will cause the engine rpm to slowly increase; release
the switch when the desired rpm is attained. If the engine
speed is above the minimum rpm setting, pressing and
holding the bottom of the switch will cause the engine rpm to
slowly decrease; release the switch when the desired rpm is
attained.
Ignition Switch
The Ignition Switch (8) (Figure 3-2) is on the right side of the
steering column under the transmission shift lever (9).
The switch is key-operated and has three positions: OFF [0],
RUN [1], and START [2]. In the OFF position, all electrical
power is off except for lights controlled by the Headlights
Switch, turn/hazard/stop lights, dome light, and work light.
Positioning switch to RUN energizes the ignition circuit and
all electrical components except for the start solenoid.
Positioning the switch to START energizes the start relay,
which in turn energizes the cranking motor solenoid and
cranks the engine for starting. The switch is spring returned
from START to RUN. To shut down the engine, position
switch to OFF.
The Ignition switch has a mechanical anti-restart built into it.
If the engine does not start after the first attempt, the key
switch must go to the OFF position and then back to START
in order to try and start the engine another time
Reference Only
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