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130 Testing and adjusting, Part 3
Pm clinic inspection chart
Pm clinic inspection chart
Hours inspection
Work order No.
Year:
Questions asked to operator, walk around inspection
Was there any abnormality before inspection started?
Max. coolant temp. (During operation)
Segment color
W G G G G R R
1
a
If the machine is cold, warm it up fully. <>: Reference value
Item
Low idle
High idle
Engine speed
HST stall
Hydraulic stall
Full stall (HST stall + hydraulic stall)
Blow-by
At rated output
pressure
Oil pressure
SAE15W-40
a
Before starting the inspection, check that the machine does not move when the directional lever is placed in position.
k
When measuring the transfer clutch control pressure, carry out the measurement at a place where the machine can travel
safety at a speed of more than 10 km/h.
High-pressure
cut-off pressure
Low-pressure
relief pressure
(work equip-
ment PPC cir-
cuit basic
•
Engine:
pressure)
Full throttle
Hydraulic
•
Servo piston
oil temp.:
control pres-
sure
45 – 55°C
Servo piston
actuation pres-
sure
Transfer clutch
Hydraulic oil
control pres-
temp.:
sure
45 – 55°C
WA250, 250PZ-6
Date of execution
Month:
Day:
2 3 4 5 6 7
Conditions
High idle
Low idle
Directional lever: F
Speed selector
switch: 2nd
Traction control
switch: ON
Directional lever: N
Directional lever: N
Brake: released
Directional lever: N
Brake: pressed
Directional lever: For-
ward and reverse
Gear speed selector
switch: 1st
Travel speed control
dial: Min. side
Measure while driv-
ing at full throttle
(Approx. 5 km/h).
Directional lever: F
Speed selector
switch: 3rd or 4th
WA250-6 Serial No. 75001 and up
1
Machine serial No.
Engine serial No.
Service Meter
Max. HST oil temp. (During operation)
Segment color
G G G G G R R
1 2
Standard
Unit
value for new
machine
775 – 850
2,175 – 2,295 2,175 – 2,295
rpm
2,080 – 2,280 1,980 – 2,295
1,970 – 2,170 1,870 – 2,270
1,840 – 2,170 1,740 – 2,270
kPa
Max. 0.98
{mmH
O}
{Max. 100}
2
Min. 0.29
{Min. 3.0}
MPa
{kg/cm
}
2
Min. 0.10
{Min. 1.0}
44.6 – 46.6
{455 – 475}
2.6 – 2.8
{26.5 – 28.5}
2.6 – 2.8
{26.5 – 28.5}
MPa
Max. 0.6
{kg/cm
}
2
{Max. 6}
2.6 – 2.8
{26.5 – 28.5}
2.6 – 2.8
{26.5 – 28.5}
SEN03838-00
SAA6D107E-1 #
Serviceman
h
Ambient temperature
Max.
Min.
Altitude
3 4 5 6 7
Service limit
Measurement
value
results
775 – 850
1.96
{200}
0.25
{2.5}
0.07
{0.7}
43.1 – 46.6
{440 – 475}
2.5 – 2.8
{25.5 – 28.5}
2.5 – 2.8
{25.5 – 28.5}
Max. 0.6
{Max. 6}
2.4 – 2.8
{24.5 – 28.5}
2.5 – 2.8
{25.5 – 28.5}
°C
°C
m
Pass
Fail
59
30-130
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