Komatsu Galeo PC800-8 Shop Manual page 318

Hydraulic excavator
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SEN00784-02
Cate-
Item
gory
Hydraulic drift of
travel
Leakage of travel
motor
Total work
equipment
(hydraulic drift at
tip of bucket
teeth)
Boom cylinder
(amount of
retraction of
cylinder)
Arm cylinder
(amount of
extension of
cylinder)
Bucket cylinder
(amount of
retraction of
cylinder)
8
Applicable model
Measurement conditions
• Hydraulic oil temperature:
45 – 55°C
• Engine stopped
• Stop machine on 12° slope with
sprocket at uphill end of
machine.
• Measure the distance the
machine moves in 5 minutes.
• Hydraulic oil temperature:
45 – 55°C
• Engine at high idle
• Travel: Lock sprocket.
• Measure leakage in 1 minute
during travel relief.
Posture of backhoe work equipment
Posture of loading shovel work
equipment
• Measure extraction or retrac-
tion distance of each cylinder
and lowering distance of
bucket tooth tip from above
posture.
Rated load on work equipment
Backhoe specification:
49 kN {5,000 kg}
64 kN {6,500 kg}
(SE specification)
Loading shovel specification
Without bucket link:
79 kN {8,100 kg}
• Measure on level and flat
ground.
• Set lever in neutral.
• Stop engine.
• Hydraulic oil temperature:
45 – 55°C
• Measure just after setting.
• Measure lowering distance
every 5 minutes. Judge by low-
ering distance in 15 minutes.
• Values in ( ) are standard val-
ues when no load is applied to
work equipment.
PC800, SE, LC-8
PC850, SE-8
Standard value for new
Unit
machine
mm
0
l/min
Max. 20
PC800-8
Backhoe
Loading
specification
shovel
Max. 1,400
Max. 1,500
(Max. 900)
Max. 60
Max. 150
(Max. 35)
mm
Max. 165
Max. 30
(Max. 70)
Max. 50
Max. 8
(Max. 15)
20 Standard value table
Service limit value
0
Max. 40
PC800-8
Backhoe
Loading
specification
shovel
Max. 1,800
Max. 1,800
(Max. 1,000)
Max. 90
Max. 230
(Max. 50)
Max. 250
Max. 45
(Max. 105)
Max. 75
Max. 12
(Max. 25)
PC800, 850-8

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