6. When the desired charge pressure setting is achieved, remove the gauges.
Charge pressure relief valve
P109626
J320
L200
L100
QJ040
Charge pressure
Model code
Charge pressure
1
07
7 bar ± 1 bar
18
18 bar ± 1.5 bar
1
The shown values are calculated by subtracting the case pressure port gauge reading from the charge pressure
gauge reading.
Factory set at 1800 min
-1
(rpm) with a reservoir temperature of 50° C [120° F].
DDC20/24 high pressure relief valve (HPRV) adjustment
The HPRV valves are set at the factory. No adjustment is possible.
If you suspect a HPRV valve malfunction, replace valve with identical relief setting and test operation of
pump. Refer to
for replacement procedures.
When replacing or opening an HPRV, check for proper pump operation by cycling through its full
operating range.
Service Manual
DDC20/24 Axial Piston Pumps
Adjustments
10 |
©
Danfoss | August 2019
L1120413 | AX00000135en-000401