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7/26/2019 SPLN 24_1980
1/13
PERUSAHAAN
UMUM
LISTRIK
NEGARA
SPLN
24:19E|cl
Lampiran
Surat
Keputusan
Direksi
PL N
No. 040/DlR/80,
Tanggal
21
M
e
198O
GiUItrIE
FG'FI
CctMMIsiSIcIMIVGi,
cIPEFtArrcIrv
Al\ttrr
MAINTENANCE
cIF
trIIESiEL ENG'II\IESi
D E P A R T E M E N
P E R T A M B A N G A N
D A N E N E R G I
PERUSAHAAN
UMUM
LISTRIK
NEGARA
-
t '
J L T R U N O J O Y O I / 1 3 5
-
K E B A Y O R A N A R U - J A K A R T A
7/26/2019 SPLN 24_1980
2/13
2
SPLN
24
:
1980
GUIDE
FOR
COMMI$SIONING,
PERATION
ND
I\4AINTENANCE
O F D I E S E L
E N G I N E S
Disusun leh
KELOMPOK
EMBAKUAN
IDANG
PEMBANG.
KITAN
dengan Surat
Keputusan
Direksi
Per-
usahaanUmum
Llstr ik
Negara
No.
145/DlR/
79
tanggal
8
Desember
979.
KELOMPOK
KERJA
COMMISSIONING
LI 'L)
denganSurat KeputusanDirektur Pusat Penye-
f
dikan
Masalah Kel ist r ikan
No.
014lLMK179
tanggal
1
Desember 979.
D i terb i tkan
leh
:
DEPARTEMEN
PERTAMBANGAN
&
ENERGI
P E R U S A H A A N
M U M
L I S T R I K
N E G A R A
Jl.
Trunoioyo
l / l l /135-Kebayoran
aru
JAKARTA.
JAKARTA,
1980.
1 .
2.
J
7/26/2019 SPLN 24_1980
3/13
SPLN
24
:
1980
1 .
2.
SUSUNAN
ANGGOTA
KELOMPOK
PEMBAKUAN
BIDANG
PEIVIBANGKITAN
Surat
Keputusan i reks i
Perusahaanmum
Lis t r ik
Negara
No. : 145 lD l1 l79
Tanggal
13
Desember
979
Kepala
Bagian
Pembakuan,
usat
(ex-of f
c io)
lr. Koesaeni
astrodinoto
Penyel id ikan
asalah
el ist r ikan
Ketua
merangkap
3.
lr.
Soenarjo
Sastrosewoio
4,
(Ditetapkan
emudian)
5. Civ. l r rg.SuwarnoSuardjo
6.
l r . Wikoebroto
7.
lr.
Sabarto
Pradono
8.
l r . Moel jono
9.
l r .
Oentoro
10.
l r . Margono
Hal imoen
11.
l r .
Sudjanadi
12.
l r .
Ardi
Yogi
13.
l r .
Sudadyo
"14. l r . Nabr is Kat ib
15.
l r . Samhir
Sasmitaatmadia
Sebagai etua
Har ianmerangkap
Anggota
Tetap
Sebagai ekretaris
merangkap
Anggota
Tetap
Sebagai
Waki l
Sekretar is
merangkap
Anggota
Tetap
SebagaiAnggotaTetap
Sebagai
nggota
Tetap
Sebagai
Anggota
Tetap
Sebagai
Anggota
Tetap
Sebagai
Anggota
Tetap
Sebagai
Anggota
Tetap
Sebagai
Anggota
Tetap
Sebagai
Anggota
TetaP
Sebagai
Anggota
Tetap
SebagaiAnglEota etap
Sebagai
Anggota
Tetap
Ketua merangkap
AnggotaTetap
Sekretar is
merangkap
Anggota
Tetap
Anggota
Tetap
Anggota
Tetap
Anggota
Tetap
SUSUNAN
ANGGOTA
KELOMPOKKERJA
COMMISSIONING
LTD
Surat
Keputusan
Direktur
Pusat
Penvel id ikan
asalah
el ist r ikan
No.
: 0 1 4 / L M K l 7 9
Tanggal
: 31 Deserrber
979
1.
l r . Koesaeni
astrodinoto
2.
lr.
Margosantoso
3.
l r .
Soepr i janto
4.
l r .
Sur johadiputro
5.
Sdr . Hal im
BEE
7/26/2019 SPLN 24_1980
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SPLN
24
:
1980
GUIDE FOR COil{I{ISSIONING.
OPfrttAi IOI ' .1
AND
NIAINTENANCE
OF DIESEL
ENGINES
CH,API-ER
:
GENERAL
1.
Scope nd
obiect
The
purpose
of
this
guide
sto
establish,
n a
general
way, suitable
proccrlures
irr
cornmissioning
iesel
engines
nd
associated
quipment,and to
iiiclicatehow suchdiesel
engines
lri
cquipment
shouldbe
operated
and
maintenaned.
It is understood hat
a
publication of this
type
wiil
be
binding only
if'. arrd
o
the
extent that,
bcih
contracting arties
haveagreed
pon t.
T'lie
gr:ide
exchJdes
atters
of
pureiy
ccmmercial nterest,
except
hr:se rrextricably
ound upwith
the
conduct
of
commissioning,
perationand maintenance.
The griide applies o dieselengines f ail types, anclespecially o largedicselengines irectly coupie
to
electr ic
enerator..
Tire
guide
s not concemedwithgeneral ors,exceptwhere
heycannot
re
sc;rnv;11t4iom the engine nd
its equipment.
Wherever'the
guide
specilies
hat
docurrents,
rawings r
inforrrtaliotr
lrallbe
supplied y
amanufac-
turer
(or
by manufacturers),
ach
ndividu;Lt
ranufacturer hail
be requir*d
til {irirrish
he appropriate nfor-
mation
for
his
own
supply
only.
'Ihe
guide
refers
o standards f
Intemational
Stalclards
Organizatioit
[SO)
and includes,
but
is not
li -
nrited
o,
the
following
standards
a)
ISA 3249
r97s
(E)
b) rso 2710
1978
(E/irlR)
c)
ISO
3046
I'197
5
(E)
d) rso3046lrr
1977
(E )
e)
ISO3046/lll
1979
(E)
f) rso 3046/rv* 1,978
(E)
sl
ISO zvt
-
1972
(E)
h) rso zos 1972
(E)
2" Teirns nddefinitions
Terms
2..1 Cunrrnisri lnrt i r tg
--
lteciprocatingntenral
ConrbusLirxt
rngines
Defirritions
iLocationson an
[:,nplirrt
-
ReciprocatingnternalCombustiort
rirgirtes
Vocabulary or CeneralDefinitions"
.
*
Reciprrocating
nternai
Combuslion
.itrgirres
tr)erl'orrnance
art
I
:
StandardReference ondi t ions
rr t l )cclarat ions
i Power,Fuel
Cotisumption
nd
Lubricating
Oil f ' t ,r , ' , '
ttption.
-
Reciprocat ingntemal
Combust io ir
:nsurcs
Perl'onnance
art
Il :
Test
MethoOe.
-
Iieciprocating
nternal
Cornbusliorr
:ng;ines
Perf"onrrzurce
art
III :
Tesl 4easurement.
- R.eciprocatingnternalCombustionrrrgilres
Performance
art
IV :
Spced
Coverniug.
-
Reciprocating
nternal
Conrbustion
'nginr;s
Designation f
the
Directi
7/26/2019 SPLN 24_1980
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SPLN
24
:
1980
2,2
Operation
2.3 Maintenance
2.4
Pre-start
ests
2.5.
Initial
run
2.6. Test
un
2.7
Test
operation
2,8. Test
operat ion
er iod
2.9 Testservice
2.
0 Commercial
ervice
2.ll Commercial
ervice
eriod
2.12
Guarantee eriod
2.13
Inspection
2.14
Maintenance
nspection
2.15
Repair
2.16
Modif icat ion
2.17 Overhaul
Utilization of the
equipment
o
produce
energy,or a state
of re-
adiness
or
such
production.
Activity on the equiprnent irected o its conservatiorrn a stateof
optimum operatin
condition.
Test
between
completion
of
erection
of
the
equipment
and
nitial
run.
First
movement
of rotating
parts
after
erection.
Operation o obtain
one set
of data
or
a
specific
est.
Utilization
of
the
equipment
or
testing
purposes.
Test
period
following initial
run and
followed
by test service.
t
includesnoJoad
runs
for checking
power plant
equipnrent,as well
as oad runsand
oad rejection
ests.
Operation of the equipment for an agreedperiod, during which the
manufacturer
s
generally
esponsible
or
the
way
in
which it
is ope-
rated.
Operation of the equipment.
under the
purchaser's
esponsibility,
to
produce
energy,
or a state
of
readiness
or
suchoperation.
Period starting after acceptance
and including
service
periods,
as
well as
periods
when the
equipment may
be
out
of operation
for
maintenance,
nspection, epairs,
tc .
Time, extending through an
agreed
part
of
the commercial service
period,
during which the
manufacturer
has
comrnercial obligations
to
correct defects
n his
equipment n order
to
bring it into
confor-
mity with the contract. For this purpose, ests n accordance ith
the appropriate
arts
of Subclause
1.1.4,shallbe
performed.
Checkon the condition
of
equipment.
Inspection
at regular
ntewals, often combined
with incidental re-
pairs.
Restoration
fter wear
or damap.
Changentended
o improve
performance.
Complete
inspection
with
necessary
epairs
and/or modifications
intended o bring
the
unit or
part
of
it
to, or nearly
o,
the optimum
func
ioning c
ondition.
3. Dataon operating onditions
3.1
A
fundamental
equirenrent or
proper
operation
and maintenances a satisfactory nowledge
of the
dieselengine
and
ts accessories
y the
purchaser's
enonnel.
The
manufacturer
ntanufacfurers)
halldeliver o
the
purchaser's
esponsible
epresentatives
ll neces-
sarydocuments,
ntructions
and
nformation.
They
shall nclude
:
general
rawings nddata;
material ists,
descriptions
nd est certificates
or
main
parts;
function
diagranrs,
f
any;
-
instructions
fol operation,
nqpection
and
rnaintenance
of
his
supply and
tablesof
measurements;
assembly
nd disnrantling
nstructions
and/or
ex.ploded iew of the
parts,
f
any;
safety nstructions;
- list of origiltalspare arts,asstated n the contract.
7/26/2019 SPLN 24_1980
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SPLN
24
:
1980 '
These
documents,
even n a
preliminary
fonn, shall be
given
to the
purchaser's
epresentatives
s soon
as
required
and,
n any
case,
efore
the
initial run.
3.2.
The
documents ubrnitted
by
the
manufacfurer
manufacturers)
hall
nclude he
foliowing
data,
some
of which
may be amendedaccordurg
o
experience
athered
during
com-tnissi
7/26/2019 SPLN 24_1980
7/13
1 )
2 )
SPLN 24
: 1980
5.
Test
coordinator
A
test co-ortlinator
shall
be chosen
by the
purchaser,
he
main
contractors
nd
the
manufacturers.
e
is
in chargeof 6rawingup tlrc l)rtrgrunnre f cornmissioning. is programme hallbe checkedandapproved y
fie
purchaser.
he nrail
pranulacturers
nd
contractors
efore
and
during
he tests
f changes
ppear
obe
ne'
cessary.
le s[al l
conduct
lrr:
usts
nd
check
he
results.
The
test co-ordinator
s
rcsponsible
or
the
execution
of
all
tests
up to
the
beginnirlg
t l l l io
tt'stsutvice
period. Operating
nd
coriurrissir:ning
ersonnel
hall
eport
o
the
co'ordinator
n all
oper.ltlt ' l i;r
;etl'ttttttcil
on the
equipment .
6.
Pre-start
ests
Pieparaticrn
or
diesel
enginc
tart-up
Belore
tlre
engipe
s
rcatiy
for
starfup,
the
generator,
lswell
as
auxiliary
and
stand'by
equipment.
hall
be checked.
t
least he
irllorvirrg
re.rns
hall
e
checked
nd
esults
ecorded
y the
test
co-ordinator.
Flywheel
bolt
nuts
are
rightened
o the
requirecl
torque
value
ancl
he
cotter
pins
or
roll
pins
are
n
place.
Cenerator
shaft
bearirigs
are
correctly
aligned,
clean
and
filled
to
the required
evel
with
the
required
lubr icant"
3i
Jacking
crews r
levi:lirrg
crews
re
backed
off.
4)
All
foundation
git
ttttts
arc
igfttened
o
the
required
orque
5)
},.leasureinent
f
crankshalt
lignment
nd
hrust
clearance.
6)
Proper
astening
l 'al l
piping
systems
nd
their
conformity
value.
to
its recomtnendations
s
noted
on
flow
diagrarnr
nd scltematirs
umishedwith
the
engine.
7)
C[ecking
of
electric
rLrt()rs
ncl
umps
or correct
otation
and
ubrication.
g)
Cirecking
rf
goveLner
irr correct
oil and
oil
level,
governor
inkage,
uel
injection and
pump control
l in
kage.
9\
Checking
of intakc
air
lllter for correct
assembly,
leanliness
nd
filled
to
the correct
evel
with
the
re'
conunentledluicl
l0)
Checking
of air
cornpressor
or cleanliness
nd
filled
to
the
conect
level
with the
recommended
ubri'
cating
cil.
l
l)
Checking
of lubricating
oil
tjlters
and
the
fuel oil
filters
for
correct
filling
with
the
recommended
car'
tridges.
12)
Inspection
of the
lube
oil
strainer
or cleanliness.
hat
there
tue
no
burrs,
debris
which
could
c(lnte
oose
and
enter he
engineoil
system.
scraps
of metal
or welding
l3)
Inspectiqn f
ackct
varer ystem
hat hereare
noleaksinside
nd
outside
f the
engine.
ta,i
Checki;rg
f
fuel
oi day
tank
and
ts
entire
piping system
hat
thereare
no leaksandvalves
re
n their
normal
operat ing
osi t i i l t r .
r
5
)
Inspectionof
rgulccl
anns,
push
rods,
nozzles
olden
and
injection
pumps that
their
nuts and
bolts
are
in
place
arrd ight,
corrcr
pins n
place
and
uel
ine
nuts
and
fittings
are
all
n
place
and
tight.
l6 ) Checkingof startingair tanks and the startingsystem.Also safetyshutdowndevices n their proper
funci.ion.
\rvhen
ll conditions
have
been
met,
the
diesel
ngine
s
ready
or starting.
7.
Initial
run
After
the test
co-orclinator
has
Fven
permission,
he
diesel
generator s started
under
manual
control,
according
o
the manuf'actu
cr's
equirements.
If any
noise,scrrping
or
other
abnormal
phnomena
s
observed,
r
if an
authorized
epresentative
f any
manufacture
o
requests.
he
unit
shall
be
shut
down
immediately.
8.
Test
ruhs
B.l
No-load
ests
g.
l.
I
The
upit
is kept
under rnanualcontrol at or above he startingspeed ntil all temperature's resatisfac-
tory
to
the manufacturers'
epreseutatives.
4
7/26/2019 SPLN 24_1980
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SPLN
24
: 198O
If
any
temperature
s excessive r
increases oo
rapidly, the unit shail be
shut
down
and the
causes
f tiris
phenornenon
nvestigated
nd corrected.
If all goesweil, the unit speed hallbe ncreasedn pre-arrangedteps p to the raterJ alue, emaining t each
zuccessive
peed ntil the rate of rise
of
all ternperahrres
s satisfactory o the nrarruf'rcturers'
epresentatives.
8"
1.2 During he test run,
at least
he following
measurements
ndior obsen'alions
hall
be made
l) Noise
or vibration n the diesei ngine
and/or
generator.
2)
Operating
conditions of
safety
and
signal
devices,
n
particular
those
which could
not
be
properly
tested
before he unit rotated.
3)
Operating
conditions
for the
oil
pressure
nd other
pumps.
4)
Oil
pressure,
n
lubrication
systems.
5) Preszure,irculation,
nlet
and
outlet
temperature
f cooling
water.
6)
Temperatures
of bearings nd ubrication
oil.
7)
Temperature
of exhaust
gas.
8)
Fuel
pumps rack.
9) Enginespeed.
8.1.3
The
functioning
of
the
goveming
ystemmay
be
checked
t
this tirne'and.with
hegovcmoroperating
correctly,
the diesel
enginemay
be
used or dry-out, tests
on the
electrical
equiprrrent,
rotection
and auto-
matic
devices,
tc .
8.1.4
When the
noJoad
test at rated
speed
s completed,
he diesel
enginespeed
s
carefully
ncreased,
till
rrnder
manuai
control,
for checking he action
of overspeed
rotection
devices.
The set speed
crr
eachdeviceshallbe
measured nd any necessary
djustments ratle.
After the
load rejection
tests,
further adjustment
of
the overspeed
evice
ettrngmay
be
required.
8.2
Load
run
and
oad rejection ests
8.2" Gerteral
When
the
generatc'r
nd
switchingequipment
have
been
declared
eady {or
operation,
he
unit
may
be
rynchronized.During the oad rejection ests,all necessaryrecautions hailbe takcrr.
Such
precautionsmay
includesetting
govemor
irnh
gat
a
slower-thandesign
ate.
\/lrerr
djustrrients
rematle
on
go\remor
r regulating
evices,
ll tests
which
might be affected
by
the adjustnrerrt
hall
be
repeated.
8.2.2 }}.rrposes
The
purposes f
load run and
oad
rejection estsare
l)
io check, with
an
agreed
accuracy, he
output of
the unit, compared o
the
documents
isted n
Sub.
clause .2;
2\
to
check
uhe
unit
for instability,vibration
n tlte range
of
guaranted
oads:
3)
to check
he
ful'r;tioning
of
govemor
and regplating
evices, swell as
lrat
of tlrc entire
unit;
4)
to deterrnine
he
momentary
speed ariations
f the unit
and o
find thcir
cxtrenre
alues;
5)
to
pemrit testingof
the operationof
other dieselengineand
electrical quipment,
ncluding
protection
and
other automatic
devices.
8.2.3
Procedure
The
load shal l be
increasedn stepsand a load rejection
est made
at
successivcly
igher
oads
up
tc'
the
rnaximumexpected
o
be
placed
orr the unit
(for
example,
ejectionsnay
be
rnade
at25'/0,SWo,75%and
IOU/o f rated
oad,
as
weli
as
rom
the maximum oad that
may be
agree
upon
.
Two
rejections
shall be made
at
each
oad.
One
rejection s
made
under
governor
control
to
no-load,
ihe
other shall
be an
emergency hut-down.
If sper:ified,
oad
rejection
ests hallalso
e madeby
means f
any otlrcr
cnrcrgcncy
evice.
After
the completion
of
each oad
rejection est, the enginespeed ise data
shall
be
analized o
ensure
that
the speci{ied
atb
imits
will not be exceeded
uring he
next
higher
oad
rejection
est.
7/26/2019 SPLN 24_1980
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SPLN
24
:
1980
8.2.4 Observations,
easurentents
nd ecordtngs
During
these
ests,
lre
estco-ordinator hall
ensure,
where
possible,
hat
the
following observations
nd
measurementsrenrade lrtl ecrlrtled
a)
Steady-stateperatiorr
l ) Generator
utpu .
2'1
Fuel
pump
rack.
3)
Corvrbustion
re
sure.
4)
Engine peed
5) Exlraustet t rperature
6)
Charge
ir
pressLtre
7) Noise
evels,
l'valrres re
specified
n
the
contract.
8)
Abnonnal
noises.
f any.
9)
Vibration
and
otlrer
displacement f rotating
and
ixed
parts.
Load
eiection nd
subsctluettt
ests.
b) l ) Gcneratoroutput .
2)
Frrel
ump
rae
.
3) Cr"nSrtr ton
Ptcssure.
d)
i:ngine
peed.
5
Jinr speed
elationship
f the unit.
6) Exl '3usl temPerature.
7)
[]ia:ge air
prcssrre.
8)
Noise
evels,
l 'valucs
re
specified
n the
contract.
9) Aiin,:nnalnoise
, f
any.
10)
Vihration
antl other
displacement f rotating
and
ixed
parts.
I l) Aciion
of
ernentency
topping
evice.f
specified.
It
rs
recorrrmended
hat after the test operation
period
(Sub-clause
.8), an inspection
clt
the unit
be
carnedcut, e.g. o check ';r ;rnypossible rbbingcontactwhich may haveoccurred.
If
,Jurlng
he
tests
Sub-clatrse
.2)
unusual
phenomena
r
vibration
have
been
observed,
nspectionmust
be
carried
ut
prioi
to
the sl lr t
tit 't lrc
estservice
eriod
Sub
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10.2
The duration
of
the final
part
of the test
service
eriod
during
which
the
unit must operate
without
any
ntemrption shall
be stated
n
the
contract.
10.3
During
the test
service
period,
the
purchaser's taff shall study
the functioning
of
the
equipment
and
equipment
and record
at regular
ntervals
at
least
once
a
day,
at the beginning
once
an houi or even
more
often).Ihese
recordsshali dealwith
the
items n the following list where
they apply
:
lubricatingoil
temperatures
raw
water
temperatures
jacket
water
temperatures
injector
cooling w ater temperatures
exhaust
gas
emperatures
chargeair
pressure
turbocharger peed
lubricating oil
pressure
fuel oil
pressure
cornbustionpressure
net
power
at alternator
erminals
power
consumed
by simultaneous
ngine
auxiliariesoperating
fuel rack
readings
govemor
settings
excitation
data
V,
A,
kVAr,
power
factor
data.
Observations
hall also
be
made
regarding
functioning
of
govemor;
action
of interlocks
and
signaUingdevices;
air admission;
circulation
of
lubricatingoil and
coolingwater;
effectivenessf lubricationat variouspoints, iltersandcoolers; il quafty ;
ambient
air temperature
and surface
emperatureof surrounding
nrachines such
as
electricalgene-
rated).
The
staff shall
also
observe oise,bangs,
ibration, eakage,
tc.,
n the
unit
and recordsuch
phnumena
and
the
circumstances
nder which they ware observed.
10.4
At
the end
of
the
test service
eriod,
he
ubricating
systems
hall
be
checkctl
rrr
rnpurities.
10.5
When
ihe
test
service
period
has been successfully
ompleted,conrnercial
seryice
nder
the
responsi-
bility of the
purchaserbegins.At
the same ime,
the
guarantee
eriod
begins
ancl he
contracting
parties
shali
both
place
his on
recold.
1 . Commercial
ervice
i 1.1 Guarantee
eriod
I 1.1.1 Measurementsnd observations
The
measurements
nd observations pecified
n
Clause 0
shallalso
bc
nracle
uring
conunercial
ervice.
Depending
on operating
conditions,
he intervalsbetweenmostmeasurenrents
an
be
extended.
he
time
and
date
for eacir
nreasurement
r
observation hall
be
recorded.
l l . l .2
Shut-down
If
any
trouble
occurs
and cannot
be
mmediately orrected, .g.
a
sudden
errrperatureise n
bearings
r
pressure
ecrease
n
pressure
il unit, the
unit shall
be
shut down.
11.1.3
{epair
Wherr lrspection
ndicates lre
need or a repairduring he
guarantee eriod,
such
epairshouldbe
made
only
by
agreemenI
ith
the manufacturer.
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I 1.1.4 Acceptanceests
Acceptanceests
may
be
completed
n accordance
ith the
following
l)
Efficiency
and
power
tests
hould
be
perfornred
ccurdingo the relevant
tandarrls l' lS()
us
rrlcrre(l
to
in
Clause .
2) The test
programme
hall nclude
at
east
he
following
sequency
ithout
intermediate
tops
a)
one hour
50','{,,,utl ollowetl
without ntemrption
b)
two
houn
75'/,' loatl
irllowed
without nterruption
c) onehour
l\V/,
l,r;rtJ
irllowed
without interruption
d)
one
hour llA/,,load
followed
without interruption
e)
threehours
A0',/,,load
ollowed
without
intemrption
During
each
of tlte rbovc phases
he
fuel
consumptionwill be
measured nd
ndicator
diagramsof
al l
cylinders
are
aken.
I l.l
.5 Speed-governing
ysrerns
The
acceptance
ests
of
speed-governing
ystems
hould
be
performed
and
evaluated
ccording o
ISO
3M6/lV-1978
(U)
:
Perfornrance-Part
V
: Speed Governing,where
applicable, therwise
y agreement
et -
weenmanufacturer
nd
purchaser,
I
1.1.6Guarantee
nspect iorr
This
zub-clause
oncems
only the
guarantee
tems in
the contract. On a date agreed
by
manufachrrer
and
purchaser
usually
ust
before
he end
of the
guarantee
eriod),
aguaranteenspection
f
the
unit
shall
be
performed.
The manufacturer's
epresentative
trallbe invited
to take
part
in the
guarantee
nspection.
The
guarantee
nspectitrn
hall
overoperations
ndchecks
jven
n
Sub-clause3.1.
The
parries manu['acturer
nd
purchaser)
hall make
a
joint
record of the
results
of the inspection.
These ecords
shall
ist
all nreasurers
o be taken, name the
party
to
peiform
them
and
which
party
shall
bear
theexpense
nd
progrannle
lrc
work.
ll,2 Post-guaranteeeriod
The measurements
nd observations
pecifiedn
Clause10 may be continued
after the
guarantee eriod.
The ntervals
between
measurenrents
nd
heir extent
aredetermined y
the
purchaser
imself.
If
any
unusual
phenurnenon
s
observed r noted
on
a
recording,
he
purchaser
hall decidedwhether
the unit
continues
o operate
or
wliether f
must be shut down for inspection.
C -IAPTER
V
:
MAINTENANCE
i 2.
General
12.l lr{aintenance onsistsof preventiveand restorativeactivities repair)
One
purpose
or both
preventive
nd restorative
maintenances
to
search
or
causes
f
damage
nd
wear
with
the
object
of
eliminating
hem.
The
purpose
of preventive
maintenance
s
to reduce
wear and
the
probability
of
damage
r breakdown.
The
purpose
of
restorative
iaintenance
s
to restoredamaged
nd/or
worn
parts
o
their
optimum
condition.
12.2 Maintenance
activities
concern
all parts
of
the
engineand
associated quipment
such
as
piping
system;
fi*ed
and
otating
engine
ads;
:
control
and
regtrlating
evices
ith
their associatedquipment;
lubricating
nd
cooling
ystems;
automatic
equencing
nd
safety
devices;
control
board
ancl
neasuring
ppratus
elated
o the
turbine.
1
r
|
. t
l l
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i2.3
Loss of
efiiciency
and/or
strength
of
machinery
can
generally
be
traced
o one or
a
combination
of the
foliowing causes
a)
weardue
to abrasive
ratter
n
the
ube oii;
b) fatigue
stress
henomena;
c) detectivematerial,
not
previcusly
discovered;
d)
operation
or maintenance
not in
accordance
with manufacturer's
recommendations
and/or in-
structions;
e) faiiures n
electrical
connectionsor mechanical inkages.
Wesr due
to
abrasrve ontent
in
the
iube oil will
usually
appear
on bearings,
istons,
piston rings,
iner.
12.4
Experienceof
rvear
during
the first
part
of commercial service
i.e.
during the
guarantee
eriod)
can be
ulsed
c.r
stiniate he date of
the next inspection.
12.5 Repaiisduring
he
guarantee
eriod
shallbe madeaccording
o
Sub-clause I .
.3 .
Repairs
and
overharrl
after.
qrralifiedpdr$.
13.
Basic
or maintenance
activities
l3.l A numher
of observations
nd
checks
shatl be
made
to
provide
a basis
or rnaintenance
ctivities; irese
include
a]
During
ratedspeed
peration
operaiion of
atl mechanical
parts
(any
knocHng,
abnormal
noise,
excessive
ibration, temperature
i-ise);
oil
anclor
water
eaks;
iubricating
and
cooling
systems
levels,
lttws,
pressures,
nlet and
outlet temperatures);
gaveming
systems;
values et or the actionoi sat'ety evices, scomparedwith initial valtres;
power
generation,
as
well a.s
or no-load
operation.
bi During
transients:
maximur.r,
morne
ntary
sPeed;
iressure
change
n lube the
lube
oil
pressure
ystem.
t;rte to shut
unit
down;
unusuai
phenornena
any knocking,abnorrr,al
oise,
excessive
ibratiolt,
eala,
etc.).
c) At
siandstiil
p
essuies;
leveis
and
emperahrres
f
lubricating
oil;
closed
positionsof
fuel
purnp rack,
ascompared
with
initial
values.
it) Durin5l
raintenance
nspections
nd dunng
repair
activity :
Srear, darnage
and
cracks
on
othenrise
naccessible
arts, e.g.,
nt)edles, ozzlcs,
seals,wearing
dngs,
hearings
nd
inkage"
The
sliut-down
prior
to
regular
nspection
should
be a full-load
rejectiolt
n
order
to
check
the
regulating
rri.chanism..
13.Z lt
ls cgnvenient,
or
these
observations
nd
checks,
o follow
a
check
ist
prepared
ei'orehand
or
tlie
paiticular
upit and
stating
explicitly
the
fiequencyof
theseobservations
nd
u'hat
shallbe
noted
during diffe'
rent
stages.
'$ihen
carrying
out the
observations
ndicated n
Subclause
13.1,
tenr
d
),
the
measurements
hall
be
recorded
oii sheeis
imilar to
those
n
t\e Appendix
to
this
guide.
the guaranteeperiod sirall be made by the manufactureror by any other
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14. Restoration
o
optimurn ondition
In the restoration ctivity, wo counesareopen,namely
to replace orn or dlr r rage
arts;
to repair
hern
Procedures
hould
be clrosen
with
due
consideration
o
local
conditions,
purchaserrs
equirenrettts,
egu-
lationsandexperience.
15.
Re*tarting
Whenstartinga
unit a fter overhaul,
he
same
general rocedure
maybe
followedasfortheinitialstart.
The
resultsshall
be
contparerlwith
tlrose of
the
original
tests and
the causes f
any fundamentaldifferences
ascertained.