jcb JS70 Service Manual

3 - 5
Section C Electrics
9803/6020
Section C
3 - 5
Issue 1
Cab Layout
Left Console (cont’d)
2 Horn Switch
When you press the switch located on top of the left
side operation lever, the horn will sound.
Note: Always press the switch and sound the horn to give
signals when you start the machine, travel or slew.
3 Emergency Stop Switch
If the engine does not stop even if the key is turned
to OFF, due to some failure, by pressing this switch
the engine can be stopped. The switch lamp is lit to
indicate selection of emergency stop.
Press the switch again to cancel the emergency stop
selection.
4 Slew Brake Switch
Operates the slew lock.
In operation: The monitor (see Display Monitor)
indicates (P).
Slew Lock is in operation and the
superstructure cannot slew.
Released : The (P) mark is off.
Note: When travelling or when not doing slew operations,
turn the switch on.
5 Servo Isolator Switch
This switch provides a method of isolating the
hydraulic controls (in addition to raising the Control
Lock Lever (paragraph 1)). When the switch is
pressed the controls are isolated and the Monitor
displays the switch icon. Press the switch again to
reactivate the controls and extinguish the Monitor
display.
6 Heater Fan Controls
This panel switches the heater fan ON and OFF and
controls the fan speed I, II
, III. When the fan is OFF
all three of the speed setting lamps are unlit. To
switch ON the fan, press the ‘up’ chevron button to
illuminate the speed
I lamp. Use the chevron buttons
to change the speed settings up or down. To switch
OFF the fan, select speed
I and then press the ‘down’
chevron to extinguish all three lamps.
7 Hourmeter
Records the number of hours the engine has
operated. The reading on this display should be
noted if malfunctions occur. Inspections and
servicing intervals should be based on the hours
shown on the hourmeter.
* Note: If either of the two methods of isolating the
hydraulic controls (paragraphs 1 and 5) is carried out the
other method cannot be used to re-activate the controls.
JS04430
A
Cab Light Switch
The switch A is mounted on the light itself which is located
near the roof on the right side of the cab.

jcb JS70 Specifications

General

Brand	jcb
Model	JS70
Category	Excavators
Language	English