Danfoss LDU21C Service Manual page 18

Service Manual
LDU21C Closed Circuit Axial Piston Transmission
Pressure Measurements
Port Locations and Gauge Installation
©
18 | Danfoss | April 2025
The following table and drawing show the port locations and gauge sizes needed.
Port Information
Port Identifier Port Size
L1, L2, L4 3/4-16 UNF
MA1, MA2, MB1, MB2 3/4-16 UNF
Port Locations
MB1
MB2
(REVERSE SIDE)
MA1
MA2
(REVERSE SIDE)
Wrench Size Pressure Obtained
5/16 internal hex Case Drain
5/16 internal hex System Pressure
L1
L2
(REVERSE SIDE)
L4
P400676
Gauge Size, bar [psi]
10 [100]
500 [5000]
AX342138485422en-000102