Komatsu PC58UU-3, Руководство по ремонту

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TESTING AND ADJUSTING STANDARD VALUE TABLE FOR CHASSIS
PC58UU-3
20-5
1
Sw
in
g
Overrun when stop-
ping swing
• Engine at full throttle
• Hydraulic oil temperature: 45 - 55°C
• Stop after swinging one turn and measure dis-
tance that swing circle moves
Deg. 30 ± 5 Max. 40
Time taken to start
swing
• Engine at full throttle
• Hydraulic oil temperature: 45 - 55°C
• Time taken to swing 90° and 180° from
90°
Sec.
2.9 ± 0.2 Max. 3.4
180° — —
Time taken to swing
• Engine at full throttle
• Hydraulic oil temperature: 45 - 55°C
• Swing one turn, and measure time taken to
swing next 5 turns
Sec. 30 ± 3 Max. 36
Hydraulic drift of
swing
• Posture when measuring: Max. reach, bucket at
rated load or full of soil (rated load: 3.53 kN
{360 kg}.)
• Engine stopped
• Hydraulic oil temperature: 45 - 55°C
• Set machine on 15° slope, and set upper struc-
ture at an uphill angle of 45°.
• Make match marks on swing circle outer race
and track frame.
• Measure distance that match marks move
apart after 15 minutes.
Deg.
{mm}
0
(0)
0
(0)
Leakage from swing
motor
• Engine at full throttle
• Hydraulic oil temperature: 45 - 55°C
• Relieve swing circuit.
cc/min. — —
Applicable Model PC58UU-3
Cate-
gory
Item Measurement Conditions Unit
Standard value
for new machine
Service limit
value