Komatsu PC130-7, Руководство по ремонту

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PC130-7
20-7
TESTING AND ADJUSTING
Model name PC130-7
Cate-
gory
Item Measurement condition Unit Standard value Permissible value
T
rav
el
Hydraulic drift of travel
• Hydraulic oil temperature: 45 – 55 °C
• Engine: Stopped
• Stop machine on slope of 12 degrees
with sprocket on upper side.
• Measure hydraulic drift of travel in 5
minutes.
mm 0 0
Leakage from travel
motor
• Hydraulic oil temperature: 45 – 55 °C
• Engine speed: High idling
• Lock sprocket.
• Measure leakage for 1 minutes while
travel circuit is relieved.
l
/min Max. 5 Max. 10
W
o
rk equ
ipm
e
n
t
H
y
dra
u
lic d
rif
t of
w
o
rk
equ
ipm
e
n
t
Whole work
equipment
(Hydraulic drift of tooth tip)
• Hydraulic oil temperature: 45 – 55 °C
• Level and flat place
• Bucket: Full of dirt and sand or filled
with rated load (1,080 kg)
• Level boom top, retract arm cylinder
fully, and extract bucket cylinder fully.
• Engine: Stopped
• Work equipment control lever: Neutral
• Start measuring hydraulic drift just
after setting machine and measure
every 5 minutes for 15 minutes.
mm
Max. 460 Max. 700
Boom cylinder
(Retraction of cylinder)
Max. 10 Max. 12
Arm cylinder
(Extension of cylinder)
Max. 80 Max. 90
Bucket cylinder
(Retraction of cylinder)
Max. 22 Max. 40
W
o
rk
equ
ip
men
t s
pee
d
Boom speed
• Hydraulic oil temperature:
45 – 55 °C
• Engine speed: High idling
• Working mode: A
• Measure time taken to move
bucket between RAISE stroke
end and ground touch point of
bucket.
RAISE
sec
3.7 ± 0.4 Max. 4.3
LOWER 2.6 ± 0.5 Max. 3.2
(1)
STANDARD VALUE TABLE FOR CHASSIS