DDC20/24 gauge port locations and sizes- with Aux pad
The following drawing and table show the gauge port locations and gauge sizes needed.
DDC20/24 with aux pad
System port A
System port B
O-ring plug 9/16-18UNF-2B
L3 Case Drain
O-ring Plug 3/4-16UNF-2B
M3 Charge gauge / E - Charge inlet
O-ring plug 9/16-18UNF-2B
MA system pressure gauge port
O-ring plug 9/16-18UNF-2B
MB system pressure gauge port
O-ring plug 9/16-18UNF-2B
L1 Case Drain
O-ring Plug 3/4-16UNF-2B
L2 Case Drain
O-ring Plug 3/4-16UNF-2B
M3 Charge gauge / E - Charge inlet
Port Information
Port Identifier
Port Size
Wrench Size
Pressure Obtained
Gauge Size, bar [psi]
L1/L2/L3
3/4-16 UNF
5/16 inch internal hex Case Drain
10 [100]
MA/MB
9/16-18 UNF
11/16 hex wrench
System Pressure
500 [5000]
M3/E
9/16-18 UNF
1/4 inch internal hex
Charge Pressure
50 [1000]
Service Manual
DDC20/24 Axial Piston Pumps
Gauge port locations and installation
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©
Danfoss | August 2019
L1120413 | AX00000135en-000401