Sinoboom AB14EJ - Page 76

© May 2023
64
GTZZ14EJ&16EJ Maintenance Manual
HYDRAULIC SYSTEM
Telescoping Counterbalance Valve (PN.202040003012)
Fig 3 Telescoping counterbalance valve (PN.202040003012)
Table 7-4 Telescoping counterbalance valve (PN.202040003012)
No. Name
Torque
Function
1
Counterbalance
valve
40–45Nm (30-33ft-lb) Keep the load balanced
2
Counterbalance
valve
45-50Nm (33-37ft-lb) Keep the load balanced
Leveling Counterbalance Valve (PN.202040000011)
Fig 4 Leveling counterbalance valve (PN.202040000011)
Table 7-5 Leveling counterbalance valve (PN.202040000011)
No. Name
Torque
Function
1
Counterbalance
valve
70～75Nm (52～55ft-lb) Keep the load balanced
1
2
3
1-1
1-2