Dover PSG BLACKMER MRLXW4B Istruzioni per l'installazione, il funzionamento e la manutenzione - Pagina 7
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MAINTENANCE
Failure to disconnect and lockout
electrical power before attempting
maintenance can cause shock, burns or
death
Hazardous
machinery can
cause serious
personal injury.
Failure to stop the pump before
adjusting the shaft packing can cause
severe personal injury.
Hazardous
machinery can
cause serious
personal injury.
Failure to relieve system pressure prior
to performing pump service or
maintenance can cause personal injury
or property damage.
Hazardous pressure
can cause personal
injury or property
damage
Failure to disconnect and lockout
electrical power before attempting
maintenance can cause shock, burns or
death
Hazardous voltage.
Can shock, burn or
cause death.
Disconnecting fluid or pressure
containment components during pump
operation can cause serious personal
injury, death or major property damage
Hazardous pressure
can cause personal
injury or property
damage
If pumping hazardous or toxic fluids,
system must be flushed and
decontaminated, inside and out, prior to
performing service or maintenance
Hazardous or toxic
fluids can cause
serious injury.
NOTICE:
Maintenance shall be performed by qualified technicians
only, following the appropriate procedures and warnings
as presented in this manual.
MLX4B, MLXW4B, MRLX4B, MRLXW4B
:
SCHEDULED MAINTENANCE
STRAINERS
Strainers must be cleaned regularly to avoid pump starvation.
Schedule will depend upon the application and conditions.
LUBRICATION
To avoid possible entanglement in moving parts do not
lubricate pump bearings, gear reducer or any other parts
while the pump is running.
If pumps are repainted in the field, ensure that the grease
relief fittings (76A) are functioning properly after
painting.
excess paint from the fittings.
Lubricate pump bearings every one to twelve weeks (AT
MINIMUM), depending on the application, and operating
conditions.
Recommended Grease – Non-jacketed pumps:
Recommended Grease – Jacketed pumps:
Greasing Procedure:
1. Remove the grease relief fittings (76A) from the bearing
2. SLOWLY apply grease with a hand gun until grease
3. Replace the grease relief fittings (76A).
DO NOT overgrease pump bearings. While it is normal for
some grease to escape from the grease tell-tale hole after
lubrication, excessive grease on pumps equipped with
mechanical seals can cause seal failure.
IF EQUIPPED: Blackmer gear reducers are shipped from the
factory without oil in the gearcase. Fill with the grade of oil
indicated on the reducer tag. Change the oil after the first 48
hours of use, and approximately every 500 hours of use
thereafter.
106-A00
Page 7/20
NOTICE:
NOTICE:
Do NOT paint them closed.
Mobil® - Mobilgrease XHP222,
Exxon® - RONNEX MP Grease,
or equivalent.
Exxon® - Polyres, or Mobil® - MOBIL Poly 372, or
equivalent Polyurea grease.
covers (27A).
begins to escape from the grease relief fitting port.
Remove any