OILDYNE TRIM PUMP
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 5A-7
3. Connect the test gauge at the most convenient location at pump or hydraulic connector.
70596
A
B
a
Gauge Connected to Pump
a-Hydraulic Test Gauge (91-52915A6)
50390
A
B
50391
a
b
c
d
Gauge Connected to Hydraulic Connector
a-Hydraulic Test Gauge (91-52915A6)
b-Gimbal Housing Hydraulic Connector
c-Caps (Supplied with Gauge)
d-Plugs (Supplied with Gauge)
4. Open valve “A” and “B” and run the pump OUT/UP and IN/DOWN several times (to
purge air).
Internal Restriction Test
1. Open valves “A” and “B”.
2. Run pump OUT/UP and IN/DOWN while observing gauge.
3. Replace adapter if pressure exceeds 200 psi (1379 kPa).
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