Impulse Yamuna, Operation - And Safety Regulations

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12. Troubleshooting table
WARNING
In the event of a malfunction or abnormal operation, shut off the pump immediately
to prevent a dangerous situation and/or damage to the unit.
Malfunction Probable cause Diagnose Possible solution
Insufficient output Dry pump housing Screaming sound with
every pump movement Fill the pump housing
with at least 10 liter of
water (1 bucket)
Worn out collars Check the state of the
collars through
inspection covers 4 & 7 Replace the collars
Defect suctionvalves Remove inspection
covers 2 & 5 and check
for defects Remove any blokages
or worn out/broken
parts
Insufficient suction
capacity during
commission Stonebox is polluted Check the stonebox
through cover 6 Clean the stonebox
Leakage through
inspection cover gaskets Hissing sound
during/right after
commission near point
1,2,4,5,6 or 7 Tighten or replace
leaking gasket
Leaking stuffing box
packing Hissing sound near
Stuffing box (3) Adjust the gland plate
Defect discharge valves Remove inspection
window 1 & 2 and
check for defects Remove any blokages
or worn out/broken
parts
Worn out collars Check the state of the
collars through
inspection covers 4 & 7 Replace the collars
1. Inspection covers for
discharge valves
2. Inspecttion covers for both
suction and discharge valves
3. Gland plate
4. Inspectioncover for rear
collars
5. Inspectioncover for suction
valves
6. Stonebox cleaning window
7. Inspection cover front
collars