Grundfos Fire NKF, Installation And Operating Instructions Manual

Page: 25 / 388

English (GB)
25
15. Maintenance
15.1 Maintenance interval
If not otherwise stated in the standard applying to the pump set or
in the installation and operating instructions of the individual
components, we recommend the following maintenance intervals:
Complete pump set
Diesel engine
Electric motor
Controller
15.2 Pump set
• Check that screws are tight and not corroded.
• Check all safety devices such as coupling guard.
• Check that all electrical connections are tight and intact.
Replace defective cables and tighten loose connections.
• Check the alignment of the pump and driver.
See section
10.5 Alignment
.
• Carry out a test run according to the standard applying to the
pump set. See section
13. Operation
.
Note
The operator is responsible for ensuring that all
maintenance, inspection and installation work is
performed by qualified personnel according to
local regulations and the standard applying to
the pump set. A regular maintenance plan will
help avoid expensive repairs and contribute to
trouble-free, reliable operation.
Warning
Before starting work on the pump set, make sure
that the pump set has been switched off and
cannot be accidentally switched on.
Note
Observe local regulations, the standard applying
to the pump set and the installation and
operating instructions of the individual
components.
Note
See also installation and operating instructions
for the controller and diesel engine.
Note
The list below is not complete. See also the
standard applying to the pump set.
Action
We
ekly
Ev
ery
six
month
s
On
c
e
a
year
Ev
ery
two
year
s
Check that screws are tight x
Check safety devices x
Check electrical connections x
Check the pump/driver alignment x
Carry out test run x
Action
Weekl
y
E
very
si
x months
Once a
yea
r
E
very
two yea
rs
Check the fuel level in fuel tank x
Check the fuel system x
Check the exhaust system x
Check the cooling system x
Change cooling liquid x
Check the oil level x
Change the oil and filter x
Replace the fuel filter x
Check the V-belt x
Replace the V-belt x
Check the air filter x
Replace the air filter x
Replace batteries x
Action
Wee
k
ly
Ever
y six m
onths
Once
a y
ear
Ever
y t
w
o
y
ear
s
Visual check, cleaning if necessary x
Lubricate bearings x
Replace bearings x
Check electrical connections x
Action type
Weekl
y
Ev
ery
six
months
Once a
yea
r
Ev
ery
two
year
s
Test indicator light x
Check cables and connections x