KOMATSU WA380-5, WA480-5 Technische Daten
TESTING AND ADJUSTING STANDARD VALUE TABLE FOR ENGINE
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+50
STANDARD VALUE TABLE FOR ENGINE
Machine Model WA380-5H
Engine SAA6D114E-3
Item Measurement Condition s Unit
High idling
Revolving speed
Exhaust tem perature
(Turbocharger outlet
temperature)
Intake air pressure
(Boost pressure)
Exhaust gas color
Valve clearance
Compression
pressure
Blow-by pressure
Oil pressure
Oil temperature All revolution ranges (Inside oil pan)
Fuel injection timing Before compression top dead center
Belt tension
Low idling 920
Rated revolving speed 2,000 2,000
All revolution ranges (Atmospheric temperat ure :
20
°C)
At rated output
At sudden acceleration
At high idling
Air intake valve
Exhaust valve
(Normal temperature)
Oil temperature: 40 ~ 60
(SAE30 oil)
(Engine speed)
At rated output
(Operating range of water tempe rat ure)
(SAE30 oil)
(Operating range of water tempe rat ure)
At high idling (15W-40)
At low idling (15W-40)
At high idling (SAE10W)
At low idling (SAE10W)
Deflection made by finger pressure of about
58.8 N {about 6 kg}
Deflection made by fin-
ger pressure of about 98
N {about 10 kg}
°C
Idler pulley - Crank pulley
Air conditioner compressor - Crank pulley
rpm
°C Max. 550 Max. 600
kPa
{mmHg}
Bosch index
mm
MPa
2
}
{kg/cm
(rpm)
kPa
O}
{mmH
2
MPa
2
}
{kg/cm
°C 90 ~ 120 Min. 120
°(deg.) 8.5 ± 1 8.5 ± 1
mm
Standard V alue F or New
Machine
2,250 ± 50 2,250 ± 50
920
0
113.1 ~ 126.4
{850 ~ 950}
Max. 4.5
Max. 1.0
0.33 ± 0.05
0.56 ± 0.05
Min. 2.4
{24.6}
(250 rpm)
Max. 0.98
{Max. 100}
0.36 ~ 0.61
{3.5 ~ 6.0}
Min. 0.15
{1.5}
0.30 - 0.56
{3.0 - 5.5}
Min. 0.10
{1.0}
8
16 ~ 20 16 ~ 20
Difference between cyl-
inders: Max. 0.7 {6.9}
Service Limit Value
0
Max. 106.4
{Max. 800}
Min. 133.3
{Min. 1,000}
Min. 6.5
Max. 1.5
0.33 ± 0.05
0.56 ± 0.05
Min. 2.0 {20.5}
(250 rpm)
Max. 1.96
{Max. 200}
0.21
{2.1}
0.07
{0.7}
0.18
{1.8}
0.07
{0.7}
Above 1 0
or
below 6
20-2 WA380-5H
TESTING AND ADJUSTING STANDARD VALUE TABLE FOR CHASSIS
5
5
5
5
STANDARD VALUE TABLE FOR CHASSIS
The * mark shows the value before the detent.
Machine Model WA380-5H
Category Item Measuremen t Conditions Unit
N - FORWARD,
REVERSE
N - FORWARD,
REVERSE
1st ~ 2nd
2nd ~ 3rd {0.6
3rd ~ 4th { 0. 6
• Engine Stopped
• Measure at center of
lever knob
• Engine stopped
• Measure at center of
lever knob
1st ~ 2nd
2nd ~ 3rd 35
Directional
lever
Speed lever
Operating effort
Travel
Operating effort
Travel
3rd ~ 4th 35
HOLD → RAISE
• Engine speed: Low
idling
Operating
effort
RAISE → HOLD
HOLD → LOWER
Lift arm
LOWER → HOLD
LOWER → FLOAT
FLOAT → HOLD
• Hydraulic oil tempera ture:
°C
45 ~ 55
Working
equipment
control lever
Bucket
HOLD → DUMP
HOLD → TILT
N
{kg}
mm 35
N
{kg}
mm
N
{kg}
Standard Value For New
Machine
+ 4 . 9
.9
-3.0
{0.6
+0.5
-0.3
Service Limit Value
} Max. 16.7 {1.7}
± 10 35 ± 20
+ 4 . 9
.9
-3.0
+ 4 . 9
.9
-3.0
+ 4 . 9
.9
-3.0
35
+0.5
{0.6
} Max. 16.7 {1.7}
-0.3
+0.5
} Max. 16.7 {1.7}
-0.3
+0.5
} Max. 16.7 {1.7}
-0.3
± 10 35 ± 20
± 10 35 ± 20
± 10 35 ± 20
Max. 12.8 {1.3} * Max. 19.6 {2.0} *
Max. 14.7 { 1 .5} Max. 22.6 {2.3}
Max. 12.8 {1.3} * Max. 19.6 {2.0} *
——
Max. 15.7 { 1 .6} Max. 23.5 {2.4}
Max. 14.7 { 1 .5} Max. 22.6 {2.3}
Max. 17.7 { 1 .8} Max. 26.5 {2.7}
Max. 12.8 {1.3} * Max. 19.6 {2.0} *
Steering
wheel
Frame
TILT → HOLD
HOLD → RAISE
Lift arm
Travel
Bucket
HOLD → RAISE
HOLD → RAISE
HOLD → RAISE
HOLD → RAISE
Play
Operating effort
Turning speed (Not including play)
Low idling
Operating
time
High idling
Clearance betwee n front frame and rear
frame
• Engine speed: Low
idling
• Hydraulic oil tempera ture:
°C
45 ~ 55
• Engine stopped
• Machine facing straight
to front
• Flat, horiz o n tal,
straight, dry paved road
surface
• Engine speed: Low
idling (Bucket empty)
• Engine speed: High
idling
• Left lock - right lock
• Engine speed:
Low idling
• Hydraulic oil
temperature:
45 ~ 55 °C
• Left lock - Right
lock
• Engine speed: 1,200 rpm"
• Hydraulic oil temperature: 45 55 °C
• Flat, level, straight, dry, and
paved road
• At max. steering angle
P mode
N mode
Max. 14.7 { 1 .5} Max. 22.6 {2.3}
43
± 9 * 43 ± 18 *
43 ± 9 * 43 ± 18 *
mm
50 ± 950 ± 18
50 ± 950 ± 18
43 ± 9 * 43 ± 18 *
mm Max. 40 Max. 100
N
{kg}
Turns
Sec.
mm 25 ± 2
∼ 12.6
6.9
{0.7 ~ 1.3}
Max. 19.6 {2.0}
4.0 ± 0.4 4.0 ± 0.4
4.5
± 0.4
3.6 ± 0.3
3.7 ± 0.3
Max. 7.0
Max. 5.3
Max. 5.7
—
WA380-5H 20-3
TESTING AND ADJUSTING STANDARD VALUE TABLE FOR CHASSIS
Machine Mod el WA380-5H
Category Item Measurement Condition Unit
Pressing effort
• Measure while engine is running.
• Measure at 150 mm from fulcrum of
pedal.
N
{kg}
Standard Value For
New Machine
60.8 ~ 80.4
{6.2 ~ 8.2}
Service Limit
Value
Max. 117.6
{12.0}
Accelera-
tor pedal
Brake
pedal
α1)
Neutral (
Pressing
angle
Height of stopper (L) mm 60
Operating effort
Operating
angle
Play mm 5
Fitting of wheel lock
ring
Neutral (
α2)
α1)
Neutral (
Neutral (α2) —
• Measure while engine is stopped.
°C
deg.
N
{kg}
deg.
P-mode
N-mode
• Engine speed: Low idling
• Hydraulic oil temperature : 45 ~ 55
BWW10090
A
• Tire inflation pressure: Specified pres-
BMax. 4.0—
sure
33
37
294
{30
15
Max. 2.5 —
48 —
± 1—
± 1—
± 5—
± 29.4
± 3}
45 —
+1
0
± 0.5—
Max. 421.4 {43}
Tire
Clearance of whee l
lock ring
C2 ~ 10—
TEW00003
mm
20-4 WA380-5H
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