Komatsu HB215LC-3, Operation & Maintenance Manual

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METHOD FOR STARTING ENGINE
1.
Check both of normal machine and failed machine that the lock lever is set to LOCK position.
Check also that all the control levers are in NEUTRAL position.
2.
Make sure the clips are firmly connected to the battery terminals.
3.
Start the engine of the normal machine and run it at high idle (max. speed).
4.
Turn the starting switch of the failed machine to START position and start the engine.
If the engine does not start, try again after at least 2 minutes.
PROCEDURE FOR REMOVING JUMPER CABLE
After the engine has started, disconnect the jumper cables in the reverse of the order in which they were con-
nected.
1.
Remove the clip of jumper cable (B) from the revolving
frame (E) of the failed machine.
2.
Remove the clip of jumper cable (B) from the negative (-)
terminal of battery (D) on the normal machine.
3.
Remove the clip of jumper cable (A) from the positive (+)
terminal of battery (D) on the normal machine.
4.
Remove the clip of jumper cable (A) from the positive (+)
terminal of battery (C) on the failed machine.
IF TROUBLES ON HYBRID SYSTEM OCCUR
• The problems of the hybrid system are shown in the following table.
• Contact your Komatsu distributor for the remedies indicated with ( ) in the remedy column.
• Ask your Komatsu distributor for repairs for problems or causes which are not listed below.
Problem Main causes Remedy
Does not swing. PPC lock lever is still applied. Pull up the PPC lock lever.
Swing lock switch is still applied Turn off the swing lock switch.
Hybrid system stop switch is still ap-
plied. Turn off the hybrid system stop
switch.
Defective swing PPC pressure sen-
sor (Replace the sensor.)
Engine power deration due to lower-
ing of DEF level Add the DEF.
Engine power deration due to abnor-
mality in urea SCR system device (Check and repair.) (Replace the de-
vice.)
Swing speed is slow. Defective swing PPC pressure sen-
sor (Replace the sensor.)
Fuel control dial is in low throttle posi-
tion. Turn the fuel control dial to High idle
(MAX) position.
The swing cannot be stopped. (*1) Failure of hybrid device (Replace the device.)
Hybrid system stop caution lamp
lights up. Hybrid system stop switch is still ap-
plied. Turn off the hybrid system stop
switch.
Defective wiring (Check and repair.)
Defective hybrid system stop switch (Replace the switch.)
TROUBLES AND ACTIONS OPERATION
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