USER
MANUAL
914NG
T
ECHNICAL
S
HEET
D.36
7845285-06 03/20
subject to change without notice
D.15
HYDRAULIC SYSTEM
FITTINGS FOR CONNECTION TO PUMP
914NG
NO RDC
RDC
Control valve
pressure line
M 7/8"-14
JIC
M 3/4"-16
GAS
Tank
suction line
M 1"1/2
BSP
M 1" 1/2
BSP
EXTENSION TIMES OF HYDRAULIC CYLINDERS
914NG
Extension time
s
Retraction time
s
Slewing (180°)
20
20
1.boom cylinder
21
30
2.boom cylinder
14
10
boom extension 1S (SGS active)
10
6
boom extension 2S (SGS active)
12
13
boom extension 3S (SGS active)
16
19
boom extension 4S (SGS active)
27
27
boom extension 5S (SGS active)
33
33
boom extension 6S (SGS active)
40
40
jib articulation cylinder
6
7
jib extension 2S
9
14
Times are indicative and referring to the following operating conditions:
- unloaded crane operated with a single control lever
- oil flow rate recommended for NO RDC crane
- ISO VG 46 oil at a temperature of 50°C
MAX. ALLOWABLE SINK RATE FOR THE LOAD
The sink rate is the uncontrolled descent of the load in a given time interval due to internal leakage
of hydraulic components. The table below shows the maximum permitted descent of the rated load,
at the max. hydraulic outreach and in the given time interval.
914NG
Time interval
min.
Max. load descent
mm
2S
10
426
3S
10
533
4S
10
256
5S
10
300
6S
10
345
3SJ2
10
324
4SJ3
10
367