OilGear XD5-100-A1, Руководство по обслуживанию

Страница: 9 / 31

Pump Service Manual
XD5-100-A1
Phone: (402) 727-9700
Website: www.Oilgear.com
905 S. Downing Street, Fremont, NE 68025
Page 9 of 31
Issue Date: 1/4/2021
910003
6.1.1 Pressure Compensator Only, P-1NN
In PC-Only configuration, the compensator acts as a simple limit to
the outlet pressure.
6.1.1.1 Function
The system designer chooses a value of P
comp
and sets that value
using the PC Adjuster, shown in Figure 5 . The Pressure
Compensator will bring the pump to full stroke, and hold it there,
unless the value of
P
o
exceeds the value of P
comp
. If P
o
exceeds the
value of P
comp
, the control will de-stroke the pump until P
comp
≤ P
o
.
Please note that the compensator will de-stroke the pump until
Q
o
= 0, if P
o
continues to exceed P
comp
.
6.1.1.2 How to Adjust
The Pressure Compensator is adjusted using the PC Adjuster,
mounted on the Control Block.
Adjuster: 3/16 in. Internal Hex
Range: 500 – 5,000 psi [13.8 to 345 bar]
Rate: 485 psi [33.4 bar] per turn
6.1.1.3 Response Time
The pressure compensator is tested per SAE J745 @ 1,800 RPM
and 5,000 psi deadhead pressure.
Response Time: 35 ms
Recovery Time: 125 ms
6.1.1.4 Circuit Diagram
•
OP 16 is OPEN.
•
OP 9 is PLUGGED.
•
OP 6 is PLUGGED.
•
The LS/RP Port is PLUGGED.
All internal plugs and orifices use 1/16 NPT
plugs and 5/32 internal hex wrenches.
Figure 4 - Pressure Compensator Response
Figure 5 - Pressure Compensator Adjuster