Displacement Limiter Adjustment
P104 469E
Limiting Screw
Locknut
(see table)
(see table)
1. Loosen the locknut.
2. Rotate the adjusting screw to achieve the desired maximum displacement.
3. Set the adjusting screw against the servo piston by feel before counting turns.
Refer to the table for change per turn. Clockwise rotation decreases displacement, counterclockwise
rotation increases it. Adjustment is possible from zero to maximum.
Approximate displacement change cm
3
[in
3
] per revolution
069
078
089
100
115
147
165
210
250
6.0 [0.37]
7.4 [0.45]
9.3 [0.57]
10.7 [0.65] 10.8 [0.66] 12.2 [0.75] 12.4 [0.76] 13.9 [0.85] 17.4 [1.06]
4. After establishing the desired maximum displacement setting, hold the adjusting screw while
torquing the locknut to the value in the table below.
Displacement Limiter Adjustment Data
Frame
069/078
089/100
115/130, 147/165, 210/250
Locknut wrench size, torque
13 mm, 24 N•m [18
lb•ft]
17 mm, 48 N•m [35
lb•ft]
22 mm, 80 N•m [59 lb•ft]
Adjusting screw wrench size
4 mm
5 mm
6 mm
5. Test operation of the vehicle/machine to verify proper maximum speed of vehicle/work function.
Control Neutral Adjustment
All functions of the Electric Displacement Control (EDC), are preset at the factory. If necessary, adjust the
pump to neutral with the pump running on a test stand or on the vehicle/machine with the prime mover
operating. If adjustment fails to give satisfactory results, you may need to replace the control or coils. See
for details.
Service Manual
H1P 069—H1P 250 Axial Piston Single Pumps
Adjustments
38 |
©
Danfoss | September 2020
AX152886482551en-000504
