Komatsu 75001, Shop Manual

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SEN03835-00
WA250, 250PZ-6 20-100
3
100 Standard service value table
Standard service value table for chassis
Standard service value table for chassis
1
Machine model WA250-6
Ca
te
g
o
ry
Item Measurement conditions Unit
Standard value for
new machine
Service limit value
Di
re
ct
io
n
a
l l
e
v
e
r
Operating effort
N –
FORWARD
• Engine stopped
• Measure at 10 mm from top of lever
N
{kg}
5.9 (+5.9/0)
{0.6 (+0.6/0)}
13.7 {1.4}
N –
REVERSE
5.9 (+5.9/0)
{0.6 (+0.6/0)}
13.7 {1.4}
Travel
N –
FORWARD
mm
45 ± 10 45 ± 20
N –
REVERSE
45 ± 10 45 ± 20
S
p
e
e
d
s
w
itc
h
(
D
ia
l s
w
it
ch
)
Operating effort
1st – 2nd
• Engine stopped
• Measure at 10 mm from end of switch
knob
N
{kg}
7.8 ± 4.9
{0.8 ± 0.5}
15.7
{1.6}
2nd – 3rd
7.8 ± 4.9
{0.8 ± 0.5}
15.7
{1.6}
3rd – 4th
7.8 ± 4.9
{0.8 ± 0.5}
15.7
{1.6}
Travel
1st – 2nd
• Engine stopped
deg.
30 ± 5 30 ± 10
2nd – 3rd 30 ± 5 30 ± 10
3rd – 4th 30 ± 5 30 ± 10
W
o
rk
eq
ui
pm
en
t
c
o
nt
rol le
ve
r
Operating effort
Lift arm
• Engine coolant tempera-
ture: Operating range
• Engine speed: Low idle
• Hydraulic oil temperature:
60 – 80°C
HOLD o
RAISE
N
{kg}
14.7 (+4.9/0)
{1.5 (+0.5/0)}
29.4
{3}
RAISE o
HOLD
18.6 (+4.9/0)
{1.9 (+0.5/0)}
35.3
{3.6}
HOLD o
LOWER
12.3 (+4.9/0)
{1.25 (+0.5/0)}
25.7
{2.6}
LOWER
o
HOLD
— —
LOWER o
FLOAT
18.6 (+4.9/0)
{1.9 (+0.5/0)}
35.3
{3.6}
FLOAT o
HOLD
21.6 (+4.9/0)
{2.2 (+0.5/0)}
39.7
{4.0}
Bucket
HOLD o
DUMP
16.7 (+4.9/0)
{1.7 (+0.5/0)}
32.3
{3.3}
HOLD o
TILT
14.7 (+4.9/0)
{1.5 (+0.5/0)}
29.4
{3}
TILT o
HOLD
18.6 (+4.9/0)
{1.9 (+0.5/0)}
27.9
{2.9}
Travel
Lift arm
• Engine coolant tempera-
ture: Operating range
• Engine speed: Low idle
• Hydraulic oil temperature:
60 – 80°C
HOLD o
RAISE
mm
46 ± 9 46 ± 12
HOLD o
LOWER
46 ± 9 46 ± 12
LOWER o
FLOAT
14 ± 9 14 ± 12
Bucket
HOLD o
DUMP
60 ± 9 60 ± 12
HOLD o
TILT
46 ± 9 46 ± 12