Komatsu 830E Shop Manual page 250

DI NAME DESCRIPTION
SERVICE BRAKE PRES-
SRVBRKPSW
SURE SWITCH
SELECTOR SWITCH
FORIN
FORWARD SIGNAL
SELECTOR SWITCH
REVIN
REVERSE SIGNAL
DSTORE DATA STORE SWITCH
BLOWER PRESSURE
BLOWP
SWITCH
PARKBRKSW PARK BRAKE
KEYSW KEY SWITCH
CONTROL POWER-
CPSFB
SWITCH
ENGINE SERVICE
SIGNAL
ENGSERV
ENGINE SERVICE
SIGNAL
(MTU engine)
ENGINE SHUT DOWN
SIGNAL
(DDEC engine)
ENGSDWN
ENGINE SHUT DOWN
SIGNAL
(MTU engine)
E3-20
PROCEDURE TO
ACTIVATE
In control cabinet, jumper 28
volts from 712 to 44R to sim-
ulate service brake applied.
Remove jumper.
Move selector switch to FOR-
WARD position.
Move selector switch to
REVERSE position.
Press data store switch.
Release switch.
Remove 75A1 wire.
Re-attach wire 75A1.
Turn park brake switch to
ON.
Turn park brake switch to
OFF.
Key switch On.
Key switch Off.
Control power switch On.
Control power switch Off.
Jumper 419 to GND at the
junction box.
Remove jumper.
Jumper wire 419 to GND
at junction box.
Remove jumper.
Jumper 509 to GND at
junction box.
Remove jumper.
Jumper wire 31MS to GND
at junction box.
Remove jumper.
Statex III Electrical Checkout Procedure
FUNCTION
= true (inverrse display) = brake applied = 28v input
false (regular display) = brake released = 0v input
= true (inverse display) = FORWARD selected
= true (inverse display) = REVERSE selected
= true (inverse display) = switch closed = 28v input
false (regular display) = switch open = 0v input
= true (inverse display) = ok pressure = 0v input
false (regular display) = no pressure = 28v input
= true (inverse display) = apply brake request = 0v
input
false (regular display) = release brake request = 28v
input
= true (inverse display)
false (regular display)
= true (inverse display)
false (regular display)
= true (inverse display) = with jumper = 0v input
Verify Engine Check light in cab Turns On.
false (regular display) = w/o jumper = 28v input
= true (inverse display) = with jumper = 0v input
Verify Engine Check light in cab turns On.
false (regular display) = w/o jumper = 28v input
= true (inverse display) = with jumper = 0v input
Verify Engine Shut Down light in cab turns On.
false (regular display) = w/o jumper = 28v input
= true (inverse display) = with jumper = 0v input
Verify that Engine Shut Down light in cab turns On.
false (regular display) = w/o jumper = 28v input
2/02 E03012