Komatsu Galeo PC800-8 Shop Manual page 316

SEN00784-02
Cate-
Item
gory
Time taken to start
swing
Time taken to swing
Hydraulic drift of swing
Leakage from swing
motor
6
Applicable model
Measurement conditions
• Hydraulic oil tempera-
ture: 45 – 55°C
• Bucket: No load
• Engine at high idle
• Working mode: P
• Time taken to swing 90°
and 180° from starting
position
• Hydraulic oil temperature:
45 – 55°C
• Bucket: No load
• Engine at high idle
• Working mode: P
• Swing one turn, then measure
time taken to swing next 5 turns
• Hydraulic oil temperature:
45 – 55°C
• Engine stopped
• Set machine on 15° slope, and
set upper structure at 90° to the
side.
• Make match marks on inner
race and outer race of circle.
• Measure distance that match
marks move apart after 5 min-
utes.
• Hydraulic oil temperature: 45 –
55°C
• Engine at high idle
• Swing lock switch: ON
• Leakage in 1 minute during
swing relief
Standard value for
Unit
new machine
90° 4.2 ± 0.5
sec.
180° 6.8 ± 0.7
sec. 41 – 47
mm
l/min
Max. 5
20 Standard value table
PC800, SE, LC-8
PC850, SE-8
Service limit value
Max. 5.3
Max. 8.2
Max. 50
0 0
Max. 10
PC800, 850-8