General Pump MW Owners Manual - Manual (Page 18)

GENERAL PUMP
A member of the Interpump Group
MW/S SERIES
Page 18
10.2 Start-up
1. When starting the pump for the first time, check for the correct direction of rotation.
2. The pump must be started off-load.
3. Verify correct feeding pressure.
4. During operation, check that the rotating speed does not exceed the rated value.
5. Before putting the pump under pressure let it run for at least 3 minutes.
6. Before stopping the pump, release the pressure by acting on the adjustment valve or on any discharging device.
Whenever priming problems arise due to insufficient feeding, intervene by removing the three front plugs
on the head (see position 3, fig. 11 and 11a).
11. PREVENTIVE MAINTENANCE
PREVENTIVE MAINTENANCE
EVERY 500 HOURS EVERY 1000 HOURS
Check oil level Change oil
Check / Replace:*
• Valves
• Valve seats
• Valve springs
• Valve guides
Check / Replace:
• H.P packings
• L.P. packings
To guarantee pump reliability and efficiency, comply with the maintenance intervals as indicated in the table below.
* For replacement follow instructions contained in the repair manual.
Ref 300790 Rev.D
11-12