Issued 04-2010
1002-21
5
Swing speed (one rotation)
Left and right
sec./rev.
6.1 ± 0.6
min
-1
9.8 ± 0.6
6
Swing brake angle (180°)
Left and right
deg.
50 ° max.
7
Swing motor leakage amount
L/min
10
8
Travel speed
(6 m travel speed)
Forwards and
backwards
High speed
sec./6 m
3.9 ± 0.8
km/h
5.5 ± 0.6
Low speed
sec./6 m
6.5 ± 0.7
km/h
3.3 ± 0.4
9
Travel sprocket speed
(10 rotations)
High speed
sec.
14.6 ± 2
Low speed
25.0 ± 2
10
Travel turning amount
(20 m travel meandering
amount)
Forwards and
backwards
High speed
mm
1000 max.
Low speed
11 Shoe tension amount
mm
340 - 360
12 Travel motor leakage amount
L/min
15
13
Swing ball race bearing move-
ment distance
Up and down
mm
2.0 max.
Left and right
6.5 max.
14 Bucket tip movement amount
Left and right
mm
110 max.
15 Recoil spring dimensions
Compression ratio
mm
779
Free
892
16
Coil resistance of each sole-
noid valve
Coil resistance tem-
perature 20 °C
Travel high speed
40
Boosted pressure
Swing brake
Lever lock
Power save
17
Milli- amp for hydraulic pump
electromagnetic proportional
valve
No load
SP mode
mA
500 ± 20
H mode
500 ± 20
A mode
500 ± 20
SP Mode (with standard bucket)
Item
Unit
Reference value
