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3. Loosen the suction line at the lowest point to drain
oil from the line and pump.
4. Remove the compensator line. Plug the line and se-
cure it out of the way.
5. Remove the system pressure line. Plug and secure
the line.
6. Remove the pump control drain or case drain line.
Plug and secure the line.
7. Remove the suction and discharge hoses from the
kidney loop pump. Remove the kidney loop pump.
8. Support the pump so it can be pulled away from the
motor. Be careful when handling the pump—it can
weigh more than 150 lb (68 kg). Use blocks or jacks
to support the pump, or use a forklift.
9. Remove the two screws that mount the pump to the
electric motor.
10. Carefully move the pump and adapter away from
the frame and set it on end, pump side down.
Note:
If installing a new pump, transfer all fittings, in-
cluding the bypass manifold, to the new pump.
11. Move the new pump up to the motor. Make sure
the coupling is in place.
12. Attach the pump to the electric motor with the two
screws.
13. Connect the compensator, case drain, system pres-
sure, and suction lines. Make sure the lines are not
twisted and all fittings are correctly oriented to mini-
mize stress on the lines. Lubricate the o-rings with
Parker Super O Ring Lube or clean hydraulic oil.
14. Clear away all tools, parts, and rags.
15. Fill the hydraulic oil reservoir until oil is visible in the
sight gauge (recommended oils are listed on page 6).
CAUTION
You must add oil to the reservoir
AND
the
hydraulic pump case before operating the
pump or you will SEVERELY damage the system.
16. Run the pump at low pressure for 3–5 minutes while
checking for leaks. Increase the pressure to high
pressure; continue checking for leaks.
17. Operate the pump an additional 7–10 minutes.
18. Check the oil level in the sight gauge and add oil as
needed.
If all work is satisfactory, shut down the pump. Remove
tools, parts, and rags from the equipment. Remove the
Out of Service
tag from the main electrical disconnect.
The pump can be returned to operation.
© Flow International Corporation
M-390 | 45
CHAPTER 5
Servicing the Pump
Содержание 94i-D
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