Komatsu WA470-7 User manual

WHEEL LOADER
Field Assembly Instruction
GEN00122-00
WA470-7
SERIAL NUMBERS 10001 and up

CONTENTS
0010 Setting of machine monitor 1
0020 Deletion of electrical system abnormality record (1/4) to (4/4) 2
0030 Selection of options (1/5) to (5/5) 6
0040 Adjustment of work equipment controller boom angle (1/4) to (4/4) 11
0050 Adjustment of work equipment EPC lever detent position (1/5) to (5/5) 15
0060 Adjustment of work equipment EPC starting current (1/6) to (6/6) 20
0070 Adjustment of bucket positioner (1/4) to (4/4) 26
0080
Adjustment of rear view monitor guide line position (1/9) to (9/9)
30
0080
Adj
us
t
men
t
o
f
rear v
i
ew mon
it
or gu
id
e
li
ne pos
iti
on
(1/9)
t
o
(9/9)
30

6 ×
Assembly procedure
5 ×
NO.0010 Setting of machine monitor
Standard screen
Switch box
Air conditioner switches
↓
Used as numeral keys
Menu switches
UP switch RETURN switch MENU switch
1. Operating method of machine monitor (Items common to all settings and adjustments)
When implementing the initial setting or option setting of the sensor, you must access the
service mode of the machine monitor before starting the operation.
1-1. How to enter "Service Menu"
1-1-1. Operating method
Turn on the starting switch of the machine to turn on the machine monitor power.
While the machine monitor’s LCD unit is showing the standard service meter screen or
the alarm screen, the screen moves to the service mode screen by pushing the "▲1",
"▲2", and "AUTO3" numeral keys in order while holding down the DOWN (▼) switch.
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3 × 4 ×
Precautions Tools to be used
Name Facilities to be used
Standard screen
+、、
Service Menu
Switch box
Air conditioner switches
↓
Used as numeral keys
Menu switches
UP switch
DOWN switch
RETURN switch
ENTER switch
MENU switch
Remarks:
If the starting switch is turned OFF while the
machine monitor is in the "Service Menu",
the screen retuns to the normal service
meter screen or warning screen when the
starting switch is turned ON next time.
1. Operating method of machine monitor (Items common to all settings and adjustments)
When implementing the initial setting or option setting of the sensor, you must access the
service mode of the machine monitor before starting the operation.
1-1. How to enter "Service Menu"
1-1-1. Operating method
Turn on the starting switch of the machine to turn on the machine monitor power.
While the machine monitor’s LCD unit is showing the standard service meter screen or
the alarm screen, the screen moves to the service mode screen by pushing the "▲1",
"▲2", and "AUTO3" numeral keys in order while holding down the DOWN (▼) switch.
Others
1 × 2 ×
Standard screen
+、、
Service Menu
Switch box
Air conditioner switches
↓
Used as numeral keys
Menu switches
UP switch
DOWN switch
RETURN switch
ENTER switch
MENU switch
Remarks:
If the starting switch is turned OFF while the
machine monitor is in the "Service Menu",
the screen retuns to the normal service
meter screen or warning screen when the
starting switch is turned ON next time.
1. Operating method of machine monitor (Items common to all settings and adjustments)
When implementing the initial setting or option setting of the sensor, you must access the
service mode of the machine monitor before starting the operation.
1-1. How to enter "Service Menu"
1-1-1. Operating method
Turn on the starting switch of the machine to turn on the machine monitor power.
While the machine monitor’s LCD unit is showing the standard service meter screen or
the alarm screen, the screen moves to the service mode screen by pushing the "▲1",
"▲2", and "AUTO3" numeral keys in order while holding down the DOWN (▼) switch.
1

5 ×
NO.0020
Deletion of electrical system abnormality record
6 ×
Assembly procedure
1. Deletion of electrical system abnormality record
Delete the electrical system abnormality record according to the following procedure.
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [03
Abnormality Record] with the UP (▲) and DOWN (▼) switches.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
②Press the ENTER switch, and the screen moves to the "Abnormality Record" screen.
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Others
3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
1. Deletion of electrical system abnormality record
Delete the electrical system abnormality record according to the following procedure.
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [03
Abnormality Record] with the UP (▲) and DOWN (▼) switches.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
②Press the ENTER switch, and the screen moves to the "Abnormality Record" screen.
③Select [02 Electrical Systems] with the UP (▲) and DOWN (▼) switches and press the
ENTER switch, and the screen moves to the "Electrical Systems" screen.
On the "Electrical Systems" screen, the
abnormality records saved currently are
displayed.
(Up to 20 records are saved and deleted
from the oldest one)
Others
1 × 2 ×
1. Deletion of electrical system abnormality record
Delete the electrical system abnormality record according to the following procedure.
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [03
Abnormality Record] with the UP (▲) and DOWN (▼) switches.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
②Press the ENTER switch, and the screen moves to the "Abnormality Record" screen.
③Select [02 Electrical Systems] with the UP (▲) and DOWN (▼) switches and press the
ENTER switch, and the screen moves to the "Electrical Systems" screen.
On the "Electrical Systems" screen, the
abnormality records saved currently are
displayed.
(Up to 20 records are saved and deleted
from the oldest one)
2

Deletion of electrical system abnormality record
6 ×
Assembly procedure
5 ×
NO.0020
If "No Error" is displayed on the "Electrical Systems" screen at this time, there is no
electrical system abnormality record, thus the operation for deletion is not necessary.
Remarks: How to read abnormality record
42 31
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Tools to be used
Name Facilities to be used
4 ×
Precautions
3 ×
If "No Error" is displayed on the "Electrical Systems" screen at this time, there is no
electrical system abnormality record, thus the operation for deletion is not necessary.
Remarks: How to read abnormality record
4
56 7
2 31
(1) Indicates the chronological order of the abnormality
(2) Indicates if the abnormality is currently occurring
Indicates E if the abnormality is occurring currently
Indicates nothing if the abnormality is not concurrently currently
(3) Indicates the unified failure code (6 digits)
(4) Indicates the failure code
(5) Indicates the number of occurrences of the abnormality
(6) Indicates the service meter reading when the abnormality occurred for the first time
(7) Indicates the service meter reading when the abnormality occurred last time
Others
1 × 2 ×
If "No Error" is displayed on the "Electrical Systems" screen at this time, there is no
electrical system abnormality record, thus the operation for deletion is not necessary.
Remarks: How to read abnormality record
4
56 7
2 31
(1) Indicates the chronological order of the abnormality
(2) Indicates if the abnormality is currently occurring
Indicates E if the abnormality is occurring currently
Indicates nothing if the abnormality is not concurrently currently
(3) Indicates the unified failure code (6 digits)
(4) Indicates the failure code
(5) Indicates the number of occurrences of the abnormality
(6) Indicates the service meter reading when the abnormality occurred for the first time
(7) Indicates the service meter reading when the abnormality occurred last time
3

5 ×
NO.0020
Deletion of electrical system abnormality record
6 ×
Assembly procedure
1-1. Deletion of one electrical system abnormality record
①On the "Electrical Systems" screen, press the "▲1", "▲2", and "AUTO3" numeral keys
in order while holding down the DOWN (▼) switch, and the ENTER switch and MENU
switch are enabled and their icons are displayed at the bottom of the screen.
②Select an abnormality record that you desire to delete with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Electrical Sys. Error
Reset" screen.
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3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
1-1. Deletion of one electrical system abnormality record
①On the "Electrical Systems" screen, press the "▲1", "▲2", and "AUTO3" numeral keys
in order while holding down the DOWN (▼) switch, and the ENTER switch and MENU
switch are enabled and their icons are displayed at the bottom of the screen.
②Select an abnormality record that you desire to delete with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Electrical Sys. Error
Reset" screen.
③Press the ENTER switch, and the screen moves to the following screen and the
record is deleted.
④After the abnormality record is deleted, the screen moves to the "Electrical Systems"
screen. Check that the selected record has been deleted.
Others
1 × 2 ×
1-1. Deletion of one electrical system abnormality record
①On the "Electrical Systems" screen, press the "▲1", "▲2", and "AUTO3" numeral keys
in order while holding down the DOWN (▼) switch, and the ENTER switch and MENU
switch are enabled and their icons are displayed at the bottom of the screen.
②Select an abnormality record that you desire to delete with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Electrical Sys. Error
Reset" screen.
③Press the ENTER switch, and the screen moves to the following screen and the
record is deleted.
④After the abnormality record is deleted, the screen moves to the "Electrical Systems"
screen. Check that the selected record has been deleted.
4

Deletion of electrical system abnormality record
6 ×
Assembly procedure
5 ×
NO.0020
1-2. Deletion of all electrical system abnormality records
①On the "Electrical Systems" screen, press the "▲1", "▲2", and "AUTO3" numeral keys
in order while holding down the DOWN (▼) switch, and the ENTER switch and MENU
switch are enabled and their icons are displayed at the bottom of the screen.
②Press the menu switch, and the screen moves to the "Electrical Systems" screen.
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4 ×
Precautions
3 ×
1-2. Deletion of all electrical system abnormality records
③Press the ENTER switch, and the screen moves to the following screen and the record is
deleted.
④After the abnormality records are deleted, the screen moves to the "Electrical
Systems" screen. Check that all the records have been deleted.
①On the "Electrical Systems" screen, press the "▲1", "▲2", and "AUTO3" numeral keys
in order while holding down the DOWN (▼) switch, and the ENTER switch and MENU
switch are enabled and their icons are displayed at the bottom of the screen.
②Press the menu switch, and the screen moves to the "Electrical Systems" screen.
Others
1 × 2 ×
1-2. Deletion of all electrical system abnormality records
③Press the ENTER switch, and the screen moves to the following screen and the record is
deleted.
④After the abnormality records are deleted, the screen moves to the "Electrical
Systems" screen. Check that all the records have been deleted.
①On the "Electrical Systems" screen, press the "▲1", "▲2", and "AUTO3" numeral keys
in order while holding down the DOWN (▼) switch, and the ENTER switch and MENU
switch are enabled and their icons are displayed at the bottom of the screen.
②Press the menu switch, and the screen moves to the "Electrical Systems" screen.
5

5 ×
NO.0030 Selection of options
6 ×
Assembly procedure
1. Selection of options
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [07 Default]
with the UP (▲) and DOWN (▼) switches.
②Press the ENTER switch, and the screen moves to the "Default" screen.
Select options according to the following procedure.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
WA470
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3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
1. Selection of options
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [07 Default]
with the UP (▲) and DOWN (▼) switches.
②Press the ENTER switch, and the screen moves to the "Default" screen.
③Select [02 Option Select] with the UP (▲) and DOWN (▼) switches and press the ENTER
switch, and the screen moves to the "Option Select" screen.
Select options according to the following procedure.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
WA470
Others
1 × 2 ×
1. Selection of options
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [07 Default]
with the UP (▲) and DOWN (▼) switches.
②Press the ENTER switch, and the screen moves to the "Default" screen.
③Select [02 Option Select] with the UP (▲) and DOWN (▼) switches and press the ENTER
switch, and the screen moves to the "Option Select" screen.
Select options according to the following procedure.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
WA470
6

Selection of options
6 ×
Assembly procedure
5 ×
NO.0030
* An option setting is enabled when the starting switch is turned ON after changing the
setting and the starting switch is turned OFF and each controller on the machine is turned
off perfectly (about 15 seconds later).
On the "Option Select" screen, select an item with the UP (▲) and DOWN (▼) switches
and determine it with the ENTER switch, and set each item in order.
1-1. Option selecting function
★O
p
tional com
p
onents installation settin
g
table
Item name Default Remarks
Work Equipment Control TYPE A See "1-2. Change or setting of "Work Equipment Control""
Perform following setting according to installation state of
option and destination
･If option is installed and destination is inside Japan, set
"JAPAN SPEC"
･If option is installed and destination is outside Japan, set
"OTHERS"
･If option is not installed, set "NO ADD"
Semi-auto Digging ADD Set "ADD" and do not change
Load Meter NO ADD If option is installed, select "ADD" (only JPN specification)
Perform following setting according to boom specification
･If STD boom is installed, select "Standard"
･If high-lift boom (optional) is installed, select "High Lift"
Auto Grease NO ADD If option is installed, select "ADD" (only EU specification)
Battery Electrolyte Level
Sensor NO ADD Set "NO ADD" and do not change
If di l d t l d i t t dj t it ith thi
Multicoupler NO ADD
Boom specification Standard
Ti Si C ti
0%
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4 ×
Precautions
3 ×
* An option setting is enabled when the starting switch is turned ON after changing the
setting and the starting switch is turned OFF and each controller on the machine is turned
off perfectly (about 15 seconds later).
On the "Option Select" screen, select an item with the UP (▲) and DOWN (▼) switches
and determine it with the ENTER switch, and set each item in order.
1-1. Option selecting function
★O
p
tional com
p
onents installation settin
g
table
Item name Default Remarks
Work Equipment Control TYPE A See "1-2. Change or setting of "Work Equipment Control""
Perform following setting according to installation state of
option and destination
･If option is installed and destination is inside Japan, set
"JAPAN SPEC"
･If option is installed and destination is outside Japan, set
"OTHERS"
･If option is not installed, set "NO ADD"
Semi-auto Digging ADD Set "ADD" and do not change
Load Meter NO ADD If option is installed, select "ADD" (only JPN specification)
Perform following setting according to boom specification
･If STD boom is installed, select "Standard"
･If high-lift boom (optional) is installed, select "High Lift"
Auto Grease NO ADD If option is installed, select "ADD" (only EU specification)
Battery Electrolyte Level
Sensor NO ADD Set "NO ADD" and do not change
If displayed travel speed is not correct, adjust it with this
function
If setting is increased 1%, travel speed increases 1% from 0%.
When tire of type 26.5 is installed, select "B"
(Do not select Awhich is for setting of tire of type 23.5)
Emergency Steering ADD If option is not installed, select "NO ADD"
J/S or FNR SWITCH NON When MF lever or right FNR (forward-reverse) switch is
installed, select "OPT FNR".
Lift Up Mode ADD Set "ADD" and do not change
E.C.S.S. ADD Set "ADD" and do not change
Torque Converter Lockup NO ADD Set "ADD" and do not change
4th Gear Prohibition NO ADD Set "NO ADD" and do not change
Perform following setting according to installation state of
option and destination
･If option is installed and destination is inside Japan, set
"HEATER"
･If option is installed and destination is outside Japan, set
"KOHAG"
･If option is not installed, set "NO ADD"
F1 PWR CUT ADD Set "ADD" and do not change
Komatsu SmartLoader
Logic ADD Set "ADD" and do not change
Multicoupler NO ADD
Boom specification Standard
Two Stage Low Idle NO ADD
Tire Size Compensation 0%
Tire Type A
Others
1 × 2 ×
* An option setting is enabled when the starting switch is turned ON after changing the
setting and the starting switch is turned OFF and each controller on the machine is turned
off perfectly (about 15 seconds later).
On the "Option Select" screen, select an item with the UP (▲) and DOWN (▼) switches
and determine it with the ENTER switch, and set each item in order.
1-1. Option selecting function
★O
p
tional com
p
onents installation settin
g
table
Item name Default Remarks
Work Equipment Control TYPE A See "1-2. Change or setting of "Work Equipment Control""
Perform following setting according to installation state of
option and destination
･If option is installed and destination is inside Japan, set
"JAPAN SPEC"
･If option is installed and destination is outside Japan, set
"OTHERS"
･If option is not installed, set "NO ADD"
Semi-auto Digging ADD Set "ADD" and do not change
Load Meter NO ADD If option is installed, select "ADD" (only JPN specification)
Perform following setting according to boom specification
･If STD boom is installed, select "Standard"
･If high-lift boom (optional) is installed, select "High Lift"
Auto Grease NO ADD If option is installed, select "ADD" (only EU specification)
Battery Electrolyte Level
Sensor NO ADD Set "NO ADD" and do not change
If displayed travel speed is not correct, adjust it with this
function
If setting is increased 1%, travel speed increases 1% from 0%.
When tire of type 26.5 is installed, select "B"
(Do not select Awhich is for setting of tire of type 23.5)
Emergency Steering ADD If option is not installed, select "NO ADD"
J/S or FNR SWITCH NON When MF lever or right FNR (forward-reverse) switch is
installed, select "OPT FNR".
Lift Up Mode ADD Set "ADD" and do not change
E.C.S.S. ADD Set "ADD" and do not change
Torque Converter Lockup NO ADD Set "ADD" and do not change
4th Gear Prohibition NO ADD Set "NO ADD" and do not change
Perform following setting according to installation state of
option and destination
･If option is installed and destination is inside Japan, set
"HEATER"
･If option is installed and destination is outside Japan, set
"KOHAG"
･If option is not installed, set "NO ADD"
F1 PWR CUT ADD Set "ADD" and do not change
Komatsu SmartLoader
Logic ADD Set "ADD" and do not change
Multicoupler NO ADD
Boom specification Standard
Two Stage Low Idle NO ADD
Tire Size Compensation 0%
Tire Type A
7

5 ×
NO.0030 Selection of options
6 ×
Assembly procedure
1-2. Change or setting of "Work Equipment Control"
①On the "Option Select" screen, select "01 Work Equipment Control" with the UP (▲) and
DOWN (▼) switches.
Press the ENTER switch, and the screen moves to the "Work Equipment Control" setting
screen.
②Select related specification from TYPES A to G with the UP (▲) and DOWN (▼) switches
and enter it with the ENTER switch.
③After setting is completed, the screen returns to the "Option Select" screen automatically.
・TYPE A
Main valve type: 2-spool valve
Lever type: 2 lever
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3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
1-2. Change or setting of "Work Equipment Control"
①On the "Option Select" screen, select "01 Work Equipment Control" with the UP (▲) and
DOWN (▼) switches.
Press the ENTER switch, and the screen moves to the "Work Equipment Control" setting
screen.
②Select related specification from TYPES A to G with the UP (▲) and DOWN (▼) switches
and enter it with the ENTER switch.
③After setting is completed, the screen returns to the "Option Select" screen automatically.
Remarks:
The following option selections cannot be
set, depending on a type set with the "Work
Equipment Control".
･Semi-auto Digging
･Load Meter
･Boom Model
・TYPE A
Main valve type: 2-spool valve
Lever type: 2 lever
・TYPE B
Main valve type: 2-spool valve
Lever type: MF lever
・TYPE C
Main valve type: 3-spool valve
Lever type: 3 lever
・TYPE D
Main valve type: 3-spool valve
Lever type: MF lever and PCS
・TYPE E
This type is not used.
・TYPE F
This type is not used.
・TYPE G
This type is not used.
Others
1 × 2 ×
1-2. Change or setting of "Work Equipment Control"
①On the "Option Select" screen, select "01 Work Equipment Control" with the UP (▲) and
DOWN (▼) switches.
Press the ENTER switch, and the screen moves to the "Work Equipment Control" setting
screen.
②Select related specification from TYPES A to G with the UP (▲) and DOWN (▼) switches
and enter it with the ENTER switch.
③After setting is completed, the screen returns to the "Option Select" screen automatically.
Remarks:
The following option selections cannot be
set, depending on a type set with the "Work
Equipment Control".
･Semi-auto Digging
･Load Meter
･Boom Model
・TYPE A
Main valve type: 2-spool valve
Lever type: 2 lever
・TYPE B
Main valve type: 2-spool valve
Lever type: MF lever
・TYPE C
Main valve type: 3-spool valve
Lever type: 3 lever
・TYPE D
Main valve type: 3-spool valve
Lever type: MF lever and PCS
・TYPE E
This type is not used.
・TYPE F
This type is not used.
・TYPE G
This type is not used.
8

5 ×
NO.0030 Selection of options
6 ×
Assembly procedure
1-3. Setting of "Tire Size Compensation"
①On the "Option Select" screen, select "08 Tire Size Compensation" with the UP (▲)
and DOWN (▼) switches.
Press the ENTER switch, and the screen moves to the "Tire Size Compensation" screen.
②The set value is increased 1% with the UP (▲) switch and decreased 1% with the
DOWN (▼) switch.
Enter the setting with the Enter switch.
③After setting is completed, the screen returns to the "Option Select" screen automatically.
1-4. Selection of setting/no-setting of options
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3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
1-3. Setting of "Tire Size Compensation"
①On the "Option Select" screen, select "08 Tire Size Compensation" with the UP (▲)
and DOWN (▼) switches.
Press the ENTER switch, and the screen moves to the "Tire Size Compensation" screen.
②The set value is increased 1% with the UP (▲) switch and decreased 1% with the
DOWN (▼) switch.
Enter the setting with the Enter switch.
③After setting is completed, the screen returns to the "Option Select" screen automatically.
1-4. Selection of setting/no-setting of options
①Change each item which is applicable to setting/no-setting selection in the "Optional
component installation setting table" by the following setting.
* When each option is not selected, "NO ADD" is displayed. If the option is selected,
"ADD" is displayed.
②"NO ADD" and "ADD" can be selected with the UP (▲) and DOWN (▼) switches and
entered with the ENTER switch.
Others
1 × 2 ×
1-3. Setting of "Tire Size Compensation"
①On the "Option Select" screen, select "08 Tire Size Compensation" with the UP (▲)
and DOWN (▼) switches.
Press the ENTER switch, and the screen moves to the "Tire Size Compensation" screen.
②The set value is increased 1% with the UP (▲) switch and decreased 1% with the
DOWN (▼) switch.
Enter the setting with the Enter switch.
③After setting is completed, the screen returns to the "Option Select" screen automatically.
1-4. Selection of setting/no-setting of options
①Change each item which is applicable to setting/no-setting selection in the "Optional
component installation setting table" by the following setting.
* When each option is not selected, "NO ADD" is displayed. If the option is selected,
"ADD" is displayed.
②"NO ADD" and "ADD" can be selected with the UP (▲) and DOWN (▼) switches and
entered with the ENTER switch.
9

Selection of options
6 ×
Assembly procedure
5 ×
NO.0030
1-5. Savin
g
of selection of options
①After setting each item, turn OFF the option setting screen with the RETURN switch,
and the following screen appears.
②Turn the starting switch to the OFF position to stop the operation of the controller
completely.
*
If any option was selected be sure to turn the starting switch to the OFF position and wait
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Name Facilities to be used
4 ×
Precautions
3 ×
1-5. Savin
g
of selection of options
①After setting each item, turn OFF the option setting screen with the RETURN switch,
and the following screen appears.
②Turn the starting switch to the OFF position to stop the operation of the controller
completely.
*If any option was selected, be sure to turn the starting switch to the OFF position and wait
for about 15 seconds, and then turn the starting switch to the ON position again.
③When the starting switch is turned to the ON position, the set option selection is enabled.
Remarks:
After ②, if the starting switch is turned to the ON position without waiting for 15 seconds, an
error warning alert is displayed.
If an error warning alert is displayed, turn the starting switch to the OFF position again, wait
for at least 15 seconds, and then turn the starting switch to the ON position, and the error is
turned OFF.
Others
1 × 2 ×
1-5. Savin
g
of selection of options
①After setting each item, turn OFF the option setting screen with the RETURN switch,
and the following screen appears.
②Turn the starting switch to the OFF position to stop the operation of the controller
completely.
*If any option was selected, be sure to turn the starting switch to the OFF position and wait
for about 15 seconds, and then turn the starting switch to the ON position again.
③When the starting switch is turned to the ON position, the set option selection is enabled.
Remarks:
After ②, if the starting switch is turned to the ON position without waiting for 15 seconds, an
error warning alert is displayed.
If an error warning alert is displayed, turn the starting switch to the OFF position again, wait
for at least 15 seconds, and then turn the starting switch to the ON position, and the error is
turned OFF.
10

Adj
ustment o
f
wor
k
equ
i
pment contro
ll
er
b
oom
angle
6 ×
Assembly procedure
5 ×
NO.0040
1. Adjustment of boom angle
Adjust the work equipment controller boom angle according to the following procedure.
While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [09 Adjustment]
with the UP (▲) and DOWN (▼) switches.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
Press the ENTER switch, and the screen moves to the "Adjustment" screen.
Q't
y
Name Q't
y
Others
Tools to be used
Name Facilities to be used
4 ×
Precautions
3 ×
1. Adjustment of boom angle
Adjust the work equipment controller boom angle according to the following procedure.
1-1. Adjustment of Boom angle (RAISE)
While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [09 Adjustment]
with the UP (▲) and DOWN (▼) switches.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
Press the ENTER switch, and the screen moves to the "Adjustment" screen.
①Select [06 Boom Angle Sensor for EPC (Raise)] with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Boom Angle Sensor
(Raise)" adjustment screen.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
Others
1 × 2 ×
1. Adjustment of boom angle
Adjust the work equipment controller boom angle according to the following procedure.
1-1. Adjustment of Boom angle (RAISE)
While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select [09 Adjustment]
with the UP (▲) and DOWN (▼) switches.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
Press the ENTER switch, and the screen moves to the "Adjustment" screen.
①Select [06 Boom Angle Sensor for EPC (Raise)] with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Boom Angle Sensor
(Raise)" adjustment screen.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
11

5 ×
NO.0040
Adj
ustment o
f
wor
k
equ
i
pment contro
ll
er
b
oom
angle
6 ×
Assembly procedure
②Raise the boom to the upper limit (cylinder stroke end) and then press the ENTER switch.
③When the display changes to "1", adjustment is completed.
④Press the ENTER switch to finish the adjustment mode.
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
calibration process.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
⑤If the display changes to "2", the boom angle voltage is out of specification and
adjustment is not performed.
Boom Angle Sensor for EPC (Raise)
0SET
0
:Waiting
SET; Set
Q't
y
Name Q't
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Others
3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
②Raise the boom to the upper limit (cylinder stroke end) and then press the ENTER switch.
③When the display changes to "1", adjustment is completed.
④Press the ENTER switch to finish the adjustment mode.
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
calibration process.
⑦Adjust the boom angle sensor installation position so that the voltage displayed by
monitoring is in the following range, and then adjust the angle sensor again.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
⑤If the display changes to "2", the boom angle voltage is out of specification and
adjustment is not performed.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
⑥If adjustment is not performed, check the boom angle sensor by "monitoring".
Boom
specification Boom position Voltage range
STD 3.77 ± 0.3 V
Hi Lift 3.88 ± 0.3 V
Highest
1 × 2 ×
②Raise the boom to the upper limit (cylinder stroke end) and then press the ENTER switch.
③When the display changes to "1", adjustment is completed.
④Press the ENTER switch to finish the adjustment mode.
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
calibration process.
⑦Adjust the boom angle sensor installation position so that the voltage displayed by
monitoring is in the following range, and then adjust the angle sensor again.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
⑤If the display changes to "2", the boom angle voltage is out of specification and
adjustment is not performed.
Boom Angle Sensor for EPC (Raise)
0SET
0: Waiting
1: OK
2: NG
SET; Set
⑥If adjustment is not performed, check the boom angle sensor by "monitoring".
Boom
specification Boom position Voltage range
STD 3.77 ± 0.3 V
Hi Lift 3.88 ± 0.3 V
Highest
12

Adj
ustment o
f
wor
k
equ
i
pment contro
ll
er
b
oom
angle
6 ×
Assembly procedure
5 ×
NO.0040
1-2. Adjustment of boom angle (LOWER)
②Lower the boom to the lower limit (cylinder stroke end) and then press the ENTER switch.
①Select [07 Boom Angle Sensor for EPC (Lower)] with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Boom Angle Sensor
(Lower)" adjustment screen.
④Press the ENTER switch to finish the adjustment mode. If the RETURN switch is pressed
during adjustment, adjustment is finished even in the calibration process.
Boom Angle Sensor for EPC
0SET
0: Waiting
1: OK
2: NG
SET; Set
③When the display changes to "1", adjustment is completed.
Boom Angle Sensor for EPC (lower)
Q't
y
Name Q't
y
Others
Tools to be used
Name Facilities to be used
4 ×
Precautions
3 ×
1-2. Adjustment of boom angle (LOWER)
②Lower the boom to the lower limit (cylinder stroke end) and then press the ENTER switch.
①Select [07 Boom Angle Sensor for EPC (Lower)] with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Boom Angle Sensor
(Lower)" adjustment screen.
④Press the ENTER switch to finish the adjustment mode. If the RETURN switch is pressed
during adjustment, adjustment is finished even in the calibration process.
⑤If the display changes to "2", the boom angle voltage is out of specification and
adjustment is not performed.
Boom Angle Sensor for EPC
0SET
0: Waiting
1: OK
2: NG
SET; Set
③When the display changes to "1", adjustment is completed.
Boom Angle Sensor for EPC (lower)
1
0: Waiting
1: OK
2: NG
Boom Angle Sensor for EPC (lower)
1
0: Waiting
1: OK
2: NG
1 × 2 ×
1-2. Adjustment of boom angle (LOWER)
②Lower the boom to the lower limit (cylinder stroke end) and then press the ENTER switch.
①Select [07 Boom Angle Sensor for EPC (Lower)] with the UP (▲) and DOWN (▼)
switches and press the ENTER switch, and the screen moves to the "Boom Angle Sensor
(Lower)" adjustment screen.
④Press the ENTER switch to finish the adjustment mode. If the RETURN switch is pressed
during adjustment, adjustment is finished even in the calibration process.
⑤If the display changes to "2", the boom angle voltage is out of specification and
adjustment is not performed.
Boom Angle Sensor for EPC
0SET
0: Waiting
1: OK
2: NG
SET; Set
③When the display changes to "1", adjustment is completed.
Boom Angle Sensor for EPC (lower)
1
0: Waiting
1: OK
2: NG
Boom Angle Sensor for EPC (lower)
1
0: Waiting
1: OK
2: NG
13

5 ×
NO.0040
Adj
ustment o
f
wor
k
equ
i
pment contro
ll
er
b
oom
angle
6 ×
Assembly procedure
⑥If adjustment is not performed, check the boom angle sensor by "monitoring".
⑦Adjust the boom angle sensor installation position so that the voltage displayed by
monitoring is in the following range, and then adjust the angle sensor again.
Boom
specification Boom position Voltage range
STD 1.38 ± 0.3 V
Hi Lift 1.49 ± 0.3 V
Lowest
Q't
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Name Q't
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Others
3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
⑥If adjustment is not performed, check the boom angle sensor by "monitoring".
⑦Adjust the boom angle sensor installation position so that the voltage displayed by
monitoring is in the following range, and then adjust the angle sensor again.
Boom
specification Boom position Voltage range
STD 1.38 ± 0.3 V
Hi Lift 1.49 ± 0.3 V
Lowest
1 × 2 ×
⑥If adjustment is not performed, check the boom angle sensor by "monitoring".
⑦Adjust the boom angle sensor installation position so that the voltage displayed by
monitoring is in the following range, and then adjust the angle sensor again.
Boom
specification Boom position Voltage range
STD 1.38 ± 0.3 V
Hi Lift 1.49 ± 0.3 V
Lowest
14

Adj
ustment o
f
wor
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equ
i
pment
EPC
l
ever
d
etent
position
6 ×
Assembly procedure
5 ×
NO.0050
1. Adjustment of work equipment EPC lever detent position
1-1. Check of items
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select
[09 Adjustment] with the UP (▲) and DOWN (▼) switches.
*Perform the following correction with the engine stopped.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
②Press the ENTER switch, and the screen moves to the "Adjustment" screen.
Q't
y
Name Q't
y
Others
Tools to be used
Name Facilities to be used
4 ×
Precautions
3 ×
1. Adjustment of work equipment EPC lever detent position
1-1. Check of items
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select
[09 Adjustment] with the UP (▲) and DOWN (▼) switches.
*Perform the following correction with the engine stopped.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
②Press the ENTER switch, and the screen moves to the "Adjustment" screen.
③Select a work equipment EPC adjustment item from adjustment items No. 08 to No. 10
with the UP (▲) and DOWN (▼) switches.
Boom RAISE ：No.08
Boom LOWER ：No.09
Bucket TILT ：No.10
* Respective items must be set up
independently
Boom RAISE
Bucket TILT
Boom LOWER
Others
1 × 2 ×
1. Adjustment of work equipment EPC lever detent position
1-1. Check of items
①While [01 Monitoring / Pre-defined] is selected in the "Service Menu", select
[09 Adjustment] with the UP (▲) and DOWN (▼) switches.
*Perform the following correction with the engine stopped.
(For how to enter the service menu, see No. 0010 "Setting of machine monitor".)
②Press the ENTER switch, and the screen moves to the "Adjustment" screen.
③Select a work equipment EPC adjustment item from adjustment items No. 08 to No. 10
with the UP (▲) and DOWN (▼) switches.
Boom RAISE ：No.08
Boom LOWER ：No.09
Bucket TILT ：No.10
* Respective items must be set up
independently
Boom RAISE
Bucket TILT
Boom LOWER
15

5 ×
NO.0050
Adj
ustment o
f
wor
k
equ
i
pment
EPC
l
ever
d
etent
position
6 ×
Assembly procedure
④Press the ENTER switch, and the work equipment EPC lever detent set screen appears.
Boom Raise Adjustment
0
0: Waiting
1: OK
2: NG
SET; Set
SET
SET
Boom Lower Adjustment
0
0: Waiting
1: OK
2: NG
SET; Set
SET
SET
Boom RAISE
Boom LOWER
Bucket Tilt Adjustment
Q't
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Name Q't
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Others
3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
*After performing steps ①to ④of this process, perform adjustment steps ⑤and after in
"Adjustment of each EPC lever" on the following page.
④Press the ENTER switch, and the work equipment EPC lever detent set screen appears.
Boom Raise Adjustment
0
0: Waiting
1: OK
2: NG
SET; Set
SET
SET
Boom Lower Adjustment
0
0: Waiting
1: OK
2: NG
SET; Set
SET
SET
Boom RAISE
Boom LOWER
Bucket Tilt Adjustment
0SET
0: Waiting
1: OK
2: NG
SET; Set
Bucket TILT
1 × 2 ×
*After performing steps ①to ④of this process, perform adjustment steps ⑤and after in
"Adjustment of each EPC lever" on the following page.
④Press the ENTER switch, and the work equipment EPC lever detent set screen appears.
Boom Raise Adjustment
0
0: Waiting
1: OK
2: NG
SET; Set
SET
SET
Boom Lower Adjustment
0
0: Waiting
1: OK
2: NG
SET; Set
SET
SET
Boom RAISE
Boom LOWER
Bucket Tilt Adjustment
0SET
0: Waiting
1: OK
2: NG
SET; Set
Bucket TILT
16

5 ×
NO.0050
Adj
ustment o
f
wor
k
equ
i
pment
EPC
l
ever
d
etent
position
6 ×
Assembly procedure
*Perform the following correction with the engine stopped.
⑤-1. Lower the boom to the ground.
⑥-1. Stop and hold the boom lever just before the RAISE detent position.
⑦-1. Press the ENTER switch, and the lever voltage is read and the standard value is
changed and saved.
⑧-1. When the display changes to "1", setting is completed.
1-2. Ad
j
ustment of each EPC leve
r
*After performing steps ①to ④of No. 0050 "Adjustment of work equipment EPC lever
detent position", perform the following work.
The screen displays the "Work equipment EPC lever detent set" in previous step ④.
[Adjustment of boom RAISE detent position]
Boom Raise Adjustment
1
0: Waiting
1: OK
2: NG
Q't
y
Name Q't
y
Others
3 ×
Precautions Tools to be used
Name Facilities to be used
4 ×
*Perform the following correction with the engine stopped.
⑤-1. Lower the boom to the ground.
⑥-1. Stop and hold the boom lever just before the RAISE detent position.
⑦-1. Press the ENTER switch, and the lever voltage is read and the standard value is
changed and saved.
⑧-1. When the display changes to "1", setting is completed.
1-2. Ad
j
ustment of each EPC leve
r
*After performing steps ①to ④of No. 0050 "Adjustment of work equipment EPC lever
detent position", perform the following work.
The screen displays the "Work equipment EPC lever detent set" in previous step ④.
[Adjustment of boom RAISE detent position]
Boom Raise Adjustment
1
0: Waiting
1: OK
2: NG
⑨-1. If the ENTER switch is pressed while the lever output voltage is below the standard
value (out of the design range), the display changes to "2" and adjustment is canceled.
Boom Raise Adjustment
0: Waiting
1: OK
2: NG
2
⑩-1. Finish the ad
j
ustment mode with the RETURN switch.
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
calibration process.
Others
1 × 2 ×
*Perform the following correction with the engine stopped.
⑤-1. Lower the boom to the ground.
⑥-1. Stop and hold the boom lever just before the RAISE detent position.
⑦-1. Press the ENTER switch, and the lever voltage is read and the standard value is
changed and saved.
⑧-1. When the display changes to "1", setting is completed.
1-2. Ad
j
ustment of each EPC leve
r
*After performing steps ①to ④of No. 0050 "Adjustment of work equipment EPC lever
detent position", perform the following work.
The screen displays the "Work equipment EPC lever detent set" in previous step ④.
[Adjustment of boom RAISE detent position]
Boom Raise Adjustment
1
0: Waiting
1: OK
2: NG
⑨-1. If the ENTER switch is pressed while the lever output voltage is below the standard
value (out of the design range), the display changes to "2" and adjustment is canceled.
Boom Raise Adjustment
0: Waiting
1: OK
2: NG
2
⑩-1. Finish the ad
j
ustment mode with the RETURN switch.
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
calibration process.
17