Operation
46 810770 Operator Manual Echion
Do the preoperation maintenance checks
Examine the pump for leaks or damage
Do this task when the pump is operating and the system is pressurized.
1. Look for hydraulic fluid leaks. Monitor these areas.
Hydraulic connections
Valves
Intensifier bridge and bottom deck
2. Examine the low-pressure tubes and the hoses for leaks.
3. Examine the bleed-down valve for leaks or damage.
4. Examine the weep holes in the high-pressure ends for leaks. Water leaking from a weep hole is
a sign of a faulty part or a loose connection.
5. Examine the high-pressure tubing for leaks.
6. Look for deterioration, damage, or other problems.
A hot bleed-down valve can suggest that there is a leak.
1
Output adapter leak
2
High-pressure seat leak
3
Dynamic seal leak
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