Komatsu PC210-8, Shop Manual

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UEN00230-00 30 Testing and adjusting
18
PC210, 230, 240-8
Check sheet (PC240LC/NLC-8)
1. Engine
2. Work equipment speed
Model Serial No. Service meter User's name Date of execution Inspector
/ /
No. Check item
Checking condition
Unit
Standard
value for new
machine
Service limit
value
Mea-
sured
value
Good
Bad
Fuel
control
dial
Work-
ing
mode
Auto-
decel-
eration
Left knob
switch
Operation of
work
equipment
1 Engine speed
MAX
P
OFF
OFF
All levers in
neutral
rpm 2,090 – 2,230 2,090 – 2,230
2
Engine oil
pressure
MPa
{kg/cm 2 }
Min. 0.29
{Min. 3.0}
0.25
{2.5}
3 Engine speed
MIN
All levers in
neutral
rpm 1,000 – 1,100 1,000 – 1,100
4
Engine oil
pressure
MPa
{kg/cm 2 }
Min. 0.10
{Min. 1.0}
0.07
{0.7}
5 Engine speed
MAX
ON Arm IN relief
rpm 1,850 – 2,050 1,850 – 2,050
6
Blow-by
pressure kPa
{mmH2O}
Max. 0.98
{Max. 100}
1.96
{200}
7
Engine oil
pressure
ON OFF
All levers in
neutral
rpm 1,300 – 1,500 1,300 – 1,500
No. Check item
Checking condition
Unit
Standard
value for new
machine
Service limit
value
Mea-
sured
value
Good
Bad
Fuel
control
dial
Work-
ing
mode
Checking posture, etc.
1 Boom RAISE
MAX
P
Work equipment extended fully sec 3.1 – 3.9 Max. 4.9
2 Arm IN
Boom top horizontal
sec 3.6 – 4.4 Max. 4.7
E sec 3.8 – 4.6 Max. 4.9
L sec 7.0 – 8.6 Max. 9.0
3 Arm OUT
P
sec
2.7 – 3.3 Max. 3.5
2.8 – 3.4 Max. 3.5
4 Bucket CURL
Boom top horizontal
Arm cylinder retracted fully
sec 2.4 – 3.0 Max. 3.3
5 Swing (5 turns)
Work equipment extended fully
Swing right and left
sec 22.9 – 28.5 Max. 31
6
Travel
(5 idle turns)
One side of track
pushed up and turned
forward and backward
LO
LC
sec 52.8 – 64.6 52.8 – 68.6
NLC
MI
LC
sec 38.6 – 46.9 38.6 – 51.2
NLC
HI
LC
sec 28.9 – 31.9 28.9 – 33.9
NLC