Description of Hydraulic System
Normal temperature region (0
℃
to 40
℃
):
L-HM46;
Cold region (-25
℃
to 25
℃
):
L-HV32;
Hot region
(
>
40
℃)
: L-HM68;
Extremely cold region
(
<
-30
℃)
:
Special scheme to be determined;
Different hydraulic oil may be filled in
according to the requirements of the customer
upon delivery.
Hydraulic pump
Type
Gear pump
Flow rate (at 3000r/min)
12L/min
Maximum driving pressure
248bar
Traveling motor
Type
Orbit motor
Displacement
375cc/r
Functional valves
Pressure of function main safety valve
248bar
Pressure of lifting overflow valve
210bar
Pressure of steering overflow valve
120bar
Pressure of travelling overflow valve
248bar
Opening pressure of travelling brake
28 bar
Oil return filter
Oil return filter of hydraulic oil tank
SP-06×10
Bypass pressure of oil return filter
2.5bar
6
GTJZ1412 & GTJZ1414
Maintenance Manual