IOM/CPHM/DEC19/01
ISSUE DATE:14-12-2019
Page
46 | 48
REVISION NO.1
SPARE PARTS
A set of ball bearings, a set of casing rings and a set of gland packing rings must always be kept at hand to
ensure uninterrupted service from the pump. While ordering for spare parts, always give type, size and serial
number of the pumps as stamped on the nameplate.
PUMP TROUBLE
When investigating trouble with Kirloskar pumps, always remember that pumps have been tested at the
factory and are mechanically correct when sent out. Discounting the possibility of damage during transit,
most of the trouble in the field is due to faulty installation. Investigation shows that the majority of troubles
with centrifugal pumps result from faulty conditions on the suction side.
BREAK DOWN-CAUSE-CHECK POINTS
In case of breakdown we recommend the location of the fault by using the following table.
BREAKDOWN CHECK POINTS
Pump does not deliver 1 7 8 9 10 11 12 14 15 17
18 19 23 25 26 56 57 58
1 2 3 4 5 6 7 8 9 10
Pump delivers at reduced capacity 11 12 13 14 15 17 18 19 20 21
22 56 57 58
Delivery performance deteriorates
1 3 7 9 10 11 12 13 14 19
20 21 22 23 24 53 57 62
Pump delivers too much 16 56 57 58
1 3 6 7 8 9 10 11 12 13
Delivery is interrupted 14 15 16 19 22 23 25 26 56 57
58 62
After stopping pump runs in reverse
direction
52
Very noisy
1 2 5 6 7 8 11 12 13 15
19 20 22 54 55 56 57 62
19 20 22 31 32 33 35 36 37 38
Unsteady running of pump 39 40 43 44 47 48 49 50 51 54
55 58
Stuffing box leaks excessively 24 27 28 29 30 31 47 48 49 53
Fumes from stuffing box
22 23 24 25 26 27 28 29 30 41
42 43
Pump rotor locked in standstill position 22 45 46 50
Pump is heating up and seizing
23 24 25 26 27 28 29 30 40 41
42 45 47 48 49 50 54
19 20 21 22 31 32 33 34 35 36
Bearing temperature increases 37 38 39 40 41 42 43 44 45 46
47 48 49 51 54 55 58
Motor will not start 14 22 60
Motor gets hot or burns out
14 22 27 28 40 43 50 55 56 57
58 59 60 61
Motor is difficult to start 14 22 27 28 45 46 50 58 59 60
