Komatsu PC5500-6 Operation & Maintenance Manual page 87

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OPERATION
Controls for Heater, Air Conditioning and Special
Equipment
Legend for illust. Z22465
(1)
Control unit for engine-independent auxiliary cab heater. This unit is used
to control the auxiliary cab heater during standstill periods when an exter-
nal power source is connected and the KIM Hotstart system is activated
Be sure to set the standard heater control to maximum heating position
when the auxiliary cab heater is switched on with control unit (1). Other-
wise overheating of the heat exchanger could occur resulting in automatic
shutdown of the auxiliary cab heater. With switched off KIM Hotstart sys-
tem, the control unit (1) is inoperative.
For more information of the auxiliary cab heating system refer to the sepa-
rate Operating Instruction Manual in part 3 of this binder.
(2)
Control module for the fire detection and actuation system. For more infor-
mation → See "FIRE DETECTION AND SUPPRESSION SYSTEM" on
page 258.
Detailed instructions for operation, inspection and maintenance are given
in the separate manual
"CHECKFIRE SC-N ELECTRIC DETECTION AND ACTUATION SYS-
TEM" filed in part 3 of this binder.
(3)
Strike button for manual actuation of the fire suppression system
(4)
Portable fire extinguisher. Observe the local Fire Prevention Regulations in
regard to number, size and location of portable fire extinguishers.
Make sure the fire extinguisher is always charged and ready for use.
(5)
Cab heating control
(6)
Cab heating blower control
(7)
Indicator light, air conditioning blower ON
(8)
Air conditioner temperature control knob
REMARK
To lower the cab air temperature (maximum cooling output) rotate the
control knob to the left (-) sign. To reduce cooling output rotate the knob to
the right (+) sign.
(9)
Indicator light, air conditioning ON
(10)
Air conditioner blower control knob
(11)
Adapter for download of ECS data
(12)
Adapter for connecting an electronic tool to the ECM of the pump control
system MC7
(13)
Control module for engine-independent auxiliary cab heater. For setting
instructions of the control module refer to the separate operating instruc-
tion sheet in part 3 of this binder.
(14)
Radio
3.3 OPERATOR'S CAB - CONTROLS
87

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