Komatsu ecot3 PC300LC-8 Shop Manual page 331

20 Standard value table
Cate-
Item
gory
• Hydraulic oil temperature: Within
• Engine running at high idle
Swing brake
• Working mode: P mode
angle
• Swing circle misalignment amount when
• For measuring posture, see Swing 1
• Hydraulic oil temperature:
• Engine running at high idle
• Working mode: P mode
Time taken to
• Time required for passing
start swing
• For measuring posture, see
• Hydraulic oil temperature: Within
• Engine running at high idle
Time taken to
• Working mode: P mode
swing
• Time required for 5 more turns after
• For measuring posture, see Swing 1
• Hydraulic oil temperature: Within
• Engine stopped
• Keeping upper structure transverse on
Hydraulic drift
of swing • Notching a mating mark on inner and
• Mating mark misalignment amount during
• For measuring posture, see Swing 2
• Hydraulic oil temperature: Within
Leakage from • Engine running at high idle
swing motor • Swing lock switch: ON
• Leakage amount for one minute during
PC300, 350-8
Applicable model
Measurement condition
operating range
stopping after one turn
Within operating range
points 90° and 180° from
starting point
Swing 1
operating range
making initial one turn
operating range
slope of 15°
outer races of swing circle
5 minutes
operating range
swing relief
Standard value for
Unit
new machine
deg. PC300: Max. 110
(mm) PC350: Max. 120
90° sec. 3.3 ± 0.4
180° sec. 4.7 ± 0.5
sec. 31.6 ± 2.9
mm
l/min
Max. 5.5
SEN02624-03
PC300, 300LC-8
PC350, 350LC-8
Judgement
criteria
PC300: Max. 140
PC350: Max. 150
Max. 4.2
Max. 5.7
Max. 38
0 0
Max. 11
5