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2. Prolonged stoppage and storage
(1) If you have installed a spare pump, run it from time to time and keep it ready for operation anytime.
(2) When the pump is out of use for three months or more, the gland packing unit might be rust-eaten.
Please take the old gland packing unit out, remove moisture from the stuffing box, and install new
gland packing unit into the stuffing box. Also, to prevent the finished surfaces of bearing and shaft
and coupling and so on being rust-eaten, doing something like painting the anti-rust oil please.
(3) When the pump is out of use for prolonged periods in the wintertime or in cold climates, the water
inside the pump could freeze, causing damage to the pump. Accordingly, in such situations, provide
thermal insulation to prevent the water from freezing.
(4) When the pump is out of use for three months or more, please shut off the power
.
3. Replaceable parts
Replace the parts according to the conditions shown in
Table 4
.
Table 4 Inspection list
Replaceable part
Replacement condition
Average replacement frequency
Mechanical seal
When there is leakage.
Annually
Gland packing
When no longer able to control
leakage.
Annually
Shield ball bearing
When there is an abnormally loud
sound or grease flow.
Once every 2 to 3 years
O-ring
Whenever disassembling for
inspection.
―
The above average replacement frequency is for normal operating conditions.
(2) The replaceable parts for each model as:
Mechanical seal, Gland packing, Shield ball bearing and O-ring.
