Install HPRV valve
70 N•m
[52 lbf•ft]
E101 426E
L100 / L200
22 mm
L068
L060
Optional Displacement Limiter Installation
1. Thread displacement limiter adjusting screw (E450) into servo sleeve.
2. Thread a new locking nut onto adjustment screw. Torque to 23 N•m [17 lbf•ft] using a 13mm hex
wrench.
Refer to Danfoss publication
H1 45/53/60/68 Closed Circuit Axial Piston Pumps Service Manual
520L0958 for instructions on adjusting displacement limiter.
Set the approximate displacement limiter depth based on the pump model code. See to table below
for displacement change per turn. Run screw in until it contacts the servo piston, then back out the
appropriate number of turns.
Install the displacement limiter
E101 427E
4 mm
13 mm
23 N•m [17 lbf•ft]
E450
E550
Displacement limiter adjustment data
Displacement Locknut wrench size and
torque
Adjusting screw
size
Approximate displacement change
per revolution of adjusting screw
45
13 mm 23 N•m [17 lbf•ft]
4 mm internal hex
5.1 cm
3
[0.31 in
3
]
53
13 mm 23 N•m [17 lbf•ft]
4 mm internal hex
6.0 cm
3
[0.37 in
3
]
60
13 mm 23 N•m [17 lbf•ft]
4 mm internal hex 1. 6.8 cm
3
[0.41 in
3
]
Repair Instructions
H1 45/53/60/68 Closed Circuit Axial Piston Pumps
Assembly
42
520L0957 • Rev CB • September 2014