Bypass Valve - Danfoss DDC20 Service Manual

Service Manual
DDC20/24 Axial Piston Pumps
Minor repair

Bypass valve

24 | © Danfoss | August 2019
DDC20/24 bypass valve removal
1. Remove the bypass valve (M100).
2. Remove and discard the O‑rings (M130 and M110) and the backup ring (M120).
DDC20/24 bypass valve inspection
1. Inspect the valve. If the bypass valve is damaged, replace it.
2. Replace O-rings and back-up ring before assembly.
DDC20/24 bypass valve assembly
1. Lubricate and install new O-rings (M130 and M110) and backup ring (M120) onto cartridge.
2. Install the bypass valve (M100/M200). Torque valve per table.
DDC20/24 Remove bypass valve
M120
M130
M110
Bypass valve plug
Item Wrench size
M100/M200 17 mm
M100
M130
Torque
12 N•m [9 lbf•ft]
M200
M120
M110
L1120413 | AX00000135en-000401