Danfoss H1 - Page 33

min
-1
(rpm) pump speed and a reservoir temperature of 50°C [120°F], and are referenced to case
pressure.
Charge pressure adjustment
L2
P109550
M3
045/053
060/068
1
2
M3
L2
1
2
Legend
Item Description Wrench size Torque Gauge size
1 Lock nut 19 mm 40 Nm [29.5 lb•ft] -
2 Adjusting screw 6 mm - -
M3 Charge pressure
gauge port
¼ inch 24 Nm [17 lb•ft] 0 - 50 bar [0 - 1000
psi]
L2 (045/053) Case drain port 9/16 inch 48.5 Nm [35.8 lb•ft] 0 - 10 bar [0 - 100
psi]
L2 (060/068) Case drain port 5/8 inch 148 Nm [109 lb•ft] 0 - 10 bar [0 - 100
psi]
Listed pressures assume a pump speed of 1800 min
-1
(rpm) and charge flow of 30 l/min [7.9 US gal/
min]. At higher pump speeds or higher charge flows the charge pressure will rise over the rated
setting.
Service Manual
H1 45/53/60/68 Tandem Closed Circuit Axial Piston Pumps
Adjustments
©
Danfoss | June 2018 520L0928 | AX00000103en-US0303 | 33