Tsurumi PL Pumps - Manual (Page 14)

1-11
T SURUMI P UMP
Monthly Semi-
annually
Annually Every 2 to
5 years
Measure insulation resistance.
Reference insulation resistance = 1M? or greater.
1
Measure operating current.
Compare with rated current.
Measure supply voltage.
Compare voltage to confirm it matches Name
Plate voltage.
Pump inspection.
A noticeable drop in performance may indicate
wear in the impeller, etc., or else clogging of the
strainer, etc. Remove the clogged debris and replace
any worn parts.
Lubricant inspection.
Check the lubricant every six months or after
1,500 hours of use, whichever comes first.
Change lubricant.
Change the lubricant every 12 months or after
3,000 hours of use, whichever comes first.
Designated lubricant: White Mineral Oil ISO VG32
Lubricant capacity: See page 1-12
Change mechanical seal. 3
Overhaul.
This should be carried out even if there are no
problems with the pump. The frequency depends
on how continuously the pump is in use.
4
1.10 Maintenance and Inspection (cont.)
Regular inspection
1 If the insulation resistance has become noticeably lower than the previous inspection, an inspection of the motor
will be necessary.
2 See Lubricant Inspection and Lubricant Change in this section.
3 Specialized know-how is required for inspecting and replacing the mechanical seal. Consult with your nearest dealer
or TSURUMI representative. Note: If water is not found in the oil during the inspection of the oil as outlined above
mechanical seal replacement is not nesessary, until water is found in the oil.
4 Consult with your nearest dealer or TSURUMI representative regarding overhauls.
PL