38
Inspection
Inspection
Perform daily and periodic inspection to keep pump performance and safety.
Daily inspection
Check the following points. Upon sensing abnormality, stop operation immedi-
ately and remove problems according to "Troubleshooting".
When wear parts come to the life limit, replace them with new ones. Contact us
or your nearest distributor for detail.
No.
States
Points to be checked
How to check
1
Pumping
•
If liquid is pumped.
Flow meter or visual
inspection
•
If the suction and discharge pressure
are normal.
Check specifica-
tions.
•
If liquid has deteriorated, crystallized
or precipitated.
Visual or audio
inspection
2
Noise and vibration •
If abnormal noise or vibration occurs.
They are signs of abnormal opera-
tion.
Visual or audio
inspection
3
Air ingress from
pump head joints
and a suction line
•
If leakage occurs.
•
If pumped liquid includes air bubbles,
check lines for leakage and retighten
as necessary.
Visual or audio
inspection
Periodic inspection
Retighten the pump head mounting bolts evenly to the 2.16N
•
m in diagonal
order (once three months).
*
Mounting bolts may loosen in operation. How fast the bolts start to loosen is depend-
ing on operating conditions.
*A hexagon wrench can be used for a torque wrench. See page 27.
