Case CX350B - Page 29

Lep SM350B370B1002-2EN Issued 04-2010
1002-20
Reference Values (CX370B)
SP Mode (with standard bucket)
Item Unit Reference value
1 Engine speed
Idling
min
-1
900 ± 20
No load A mode 1700 ± 20
No load H mode 1800 ± 20
No load SP mode 1900 ± 20
2 Pressure in each section
Main relief
Standard
MPa
34.8 ± 2.0
Boosted pressure 37.7 ± 2.0
Boom relief
Up 41.0 ± 2.0
Down 27.5 ± 2.0
Arm relief
Out
41.0 ± 2.0
In
Bucket relief
Open 41.5 ± 2.0
Close 42.5 ± 2.0
Swing relief Left and right 32.5 ± 2.0
Trave l r e l ie f
Left and right,
front and back
4th pump relief
Pilot pump 3.9 ± 1.0
Option relief
For crusher
For breaker
3
Natural fall distance
(position change)
for each cylinder with no load
(in 10 min.)
Boom cylinder retraction
mm
10 max.
Arm cylinder extension 15 max.
Bucket cylinder retraction 20 max.
Overall bucket tip falling 250 max.
4 Attachment speed
Boom (bucket open)
Up (stroke 790)
sec.
3.7 ± 0.6
Down (stroke 790) 3.5 ± 0.6
Arm
Out 3.5 ± 0.6
In 4.6 ± 0.6
Bucket
Open 2.8 ± 0.6
Close 3.5 ± 0.6
Issued 11-2015