Function Direction Pump-Port
System
Pressure 1
1
bar (psi)
System
Pressure 2
2
bar (psi)
Charge
Pressure
Speed
3
rpm
Drum 1
Hoist Pump 4 - B
420 (6,092)
NA
24 (350)
50 to 55
Lower Pump 4 - A NA 44 to 52
Drum 2
(single drive)
Hoist Pump 6 - B NA 36 to 40
Lower Pump 6 - A NA 32 to 38
Drum 2
(dual drive)
Hoist Pump 6 - B NA 50 to 55
Lower Pump 6 - A NA 44 to 52
Drum 3
Up NA 39 to 43
Down NA 34 to 41
Drum 4
Up Pump 3 - A NA 36 to 40
Down Pump 3 - B NA 32 to 38
Drum 5
Up Pump 3 - A NA 50 to 55
Down Pump 3 - B NA 44 to 52
Swing
Left Pump 5 - B NA
1.2
Right Pump 5 - A NA
Right Crawler
Forward Pump 1 - A 407 (5,900)
6.6 to 7 at
Tumbler
Reverse Pump 1 - B 407 (5,900)
Left Crawler
Forward Pump 2 - B 407 (5,900)
6.6 to 7 at
Tumbler
Reverse Pump 2 - A 407 (5,900)
Low Pressure
Accessory
System
4
NA NA
28 (406) Standby
34 (493) Operation
NA NA NA
High Pressure
Accessory
System
5
NA NA 207 (3,002) NA NA NA
Carbody
Control
System
6, 7
NA NA 207 (3002) NA NA NA
Notes
NA Not Applicable.
1 Controlled by multi-function valves in each pump.
2 Controlled by craneās programmable controller.
3
Speeds based on engine at high idle, no load (no rope on drums), and handles moved fully forward or back.
Speeds can vary plus or minus 5%.
4
Swing brakes, travel brakes, travel two speed, diverting valves, and boom hoist pawl. Controlled by a
pressure reducing valve next to each valve bank.
5
Rotating bed jacks, rotating bed pins, live mast cylinders, carbody jacks (optional), crawler pins,
counterweight pins, boom hinge pins, cab tilt, rigging winch.
6 Crawler pins and optional carbody jacks.
7 Controlled by craneās programmable controller.