7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 1/11

TURBINE DRIVEN BOILER FEED PUMP COMMNG PART-I-

 ABC OF THERMAL POWER PLANT

PART-I

Before starting the pre-commissioning activities of BFP ( TD – TURBINE DRIVENe!"ipments nee# to $e in#ivi#"a%%& chec'e# for rea#iness "pto a %imit point

Booster p"mp) *ear$o+) T"r$ine) BFP an# associate# s&stem are erecte# as per 

recommen#e# #ra,ing an# rea#ings are recor#e# for rea#& reference

 Aci# c%eaning an# oi% f%"shing comp%ete# for %"$e oi% an# ,or'ing oi%) ac'ing oi% an#

governing oi% piping as per test proce#"re an# %ines are norma%i.e# The proce#"re has

a%rea#& $een #isc"sse# in m& ear%ier $%ogs

Detergent f%"shing of fee# ,ater s"ction) #ischarge an# recirc"%ation piping are

comp%ete# an# a%% piping norma%i.e# These f%"shing is $eing #one in parts as /DBFP

comes first at initia% stage that time pipe%ines for TDBFP ma& not $e rea#& Therefore a

scheme to $e ma#e to "n#erta'e this 0o$ ,itho"t interr"pting the commissioningactivities This sho"%# $e 'ept in min# 1ther,ise to comp%ete the %ine an# #o the

c%eaning in one go is the $est

 A%% piping s"pports are %oa#e# to the rate# va%"e an# a%% temporar& s"pports remove#

from the pipe%ine

Deaerator an# F2T fi%%e# ,ith Fresh D/ ,ater F2T %eve% s,itches an# Deaerator %eve%

s,itches are chec'e# In fact these s,itches are ca%i$rate# #"ring /DBFP tria% r"n

Rechec'e# #"ring TDBFP commissioningF%"shing of fo%%o,ing pipe %ines comp%ete#

3oo%ing ,ater %ines of Booster p"mp an# BFP (2ea% 4ater coo%er an# sea% $o#&

Ba%ancing %ea' off %ines of main p"mp

T"r$ine e+ha"st hoo# spra& %ine

T"r$ovisor& instr"ments for t"r$ine ( ie e+pansion meas"rement of t"r$ine

Vi$ration ) temperat"re )press"re etc ca%i$rate# an# insta%%e#

2team $%o,ing of pipe%ines again in phase# manner is to $e comp%ete# It is notice# that

steam %ines of TDBFP are not get rea#& #"ring steam $%o,ing activit& of the "nit This is

to $e #one at %ater #ate therefore a scheme of #ra,ing steam an# #rain to con#enser 

5f%ash tan' to $e ma#e an# e+ec"te# as per the scheme

Ins"%ation of t"r$ine an# pipe%ines is comp%ete#Erection of g%an# steam s"pp%& piping comp%ete 2"pports) steam $%o,ing an# ins"%ation comp%ete

T"r$ine #rain piping an# a%% steam piping #rain %ines are comp%ete For initia% ro%%ing orifice p%ates in #rainsare remove# to avoi# choc'ing

T"r$ine e+ha"st piping comp%ete ,ith s"pports "pto con#ensor

B"rsting #iaphragm is erecte# an# hea%t&

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 2/11

*%an# %ea' off piping erection comp%ete to con#ensor (inc%"#ing s"pports an# ins"%ation

 A%% motori.e# va%ves re%ate# to t"r$ine inc%"#ing %ive steam iso%ation va%ves) t"r$ine #rain va%ves arecommissione#

*%an# steam press"re contro%%er commissione# avai%a$%e for operation

*overning va%ves erecte# an# protection #evices %i'e overspee# trip #evice) han# trip #evice are mo"nte#proper%&

Fee# ,ater s"ction strainer erecte# in position in c%ean con#ition ,ith DP in#icator commissione#

Instr"ment an# service air %ine for the Fee# p"mp s&stem erecte# an# the air is ma#e avai%a$%e foroperation

P.S If you are looking to earn few legitimate extra money/MONTH from the comfort of your homethen please click on the link gien !elow

6IN7 8 - P6EA2E 36I37 9ERE6IN7 : - P6EA2E 36I37 9ERE

to 'no, a$o"t PT3 p%ease rea# m& other $%og ;common man;

"ONTIN#$% TO P&'T(IIPoste# $& De$asish *"ha at 8<=>? No comments= Emai% ThisB%ogThis@2hare to T,itter2hare to Face$oo'2hare to Pinterest

)e*nes*ay+ ,- &ugust -,

TURBINE DRIVEN BOILER FEED PUMP -ABC OF THERMAL

POWER PLANT

3hec' c%earances of Thr"st $earing of BFP an# Booster P"mp-Fe%%er *a"ge 5 Dia%

*a"ge

Ens"re specifie# c%earances $et,een g"i#e s%ips 'e& (at the $ottom of p"mp casing)

an# then

,e%#ing of 'e& $%oc' on $ase frame-Vernier5 Tape

9&#ra"%ic testing of coo%ers (,atersi#e - Press"re *a"ge sho"%# $e ca%i$rate#

Note= 3oo%ers if a%rea#& h&#ro teste# at man"fact"ring ,or's an# test certificatesavai%a$%e) nee# not $e h&#ro teste# at site

3omp%etion of ,e%#ing an# NDE of ,e%#s of fo%%o,ing %ines=

a 

a BFP #ischarge %ine

  $ BFP s"ction %ine

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 3/11

c 

c Booster P"mp 2"ction %ine

# 

# Booster P"mp #ischarge %ine

Ens"re pre heat treatment an# post-,e%# heat-treatment of ,e%#

Ens"re that the entire pipe%ine is s"pporte# $& permanent s"pports $efore ma'ing the

%ast fo"r 0oints

of B112TER PU/P /AIN PU/P s"ction an# #ischarge

Ensure that the piping doesn’t exercise any pull on pump nozzles. This isextremely important in the

case of BFP suction & discharge, which are welded oints!. This is true for any

nay maor or minor

rotating machine . That means "nal connection to #e done when piping is infree f%oat This can $e

achieve# if a%% the pipe%ines are erecte# as per #ra,ing an# permanent s"pports area#0"ste# as per

#ra,ing va%"e In fact in BFP ,e chec' that pipe %ines can $e move# $& han# on%&,itho"t an&

#iffic"%t& 2ame phi%osoph& is app%ica$%e for B112TER PU/P a%so 9o,everB112TER PU/P

connection is thro"gh fastners on%& therefore can $e manip"%ate# easi%& so not critica%as /AIN

PU/P Instances are avai%a$%e that after fina% connection a%ignment ,as #ist"r$e# som"ch that

pipe%ine ,as c"t an# re-,e%# after necessar& correction This area is ma0or $one ofcontention

$et,een piping engineer an# p"mp engineer

Distances an# a%ignment rea#ings $et,een co"p%ing ha%f faces of Booster P"mp *ear $o+) *ear 

$o+ Drive t"r$ine shaft) Drive t"r$ine shaft BFP after comp%eting pipe connections

4e%#ing of 'e& $%oc' on $ase frame after ens"ring specifie# c%earance $et,een g"i#e s%ips 'e& (At

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 4/11

the $ottom of p"mp casing

2ma%% $ore pipe%ine connection of oi% %ines of #rive t"r$ine ) 3oo%er %ines oi% an# ,ater ) 2ea%ing %ines

of p"mps *overing s&stem insta%%ation an# other steam %ines to $e connecte# an# comp%ete# Fina%

connection to $e #one after ens"ring ) oi% f%"shing )steam $%o,ing ),ater f%"shing )chemica% c%eaning

etc is comp%ete# as per re!"irement "n#er %ai# #o,n proce#"re An& short c"ts ,i%% $ring pro$%ems

after,ar#s That is #"ring sta$i%isation of "nits

Necessar& instr"mentation on oi% tan' )oi% %ines ) $earings )gear $o+es an# p"mps are ca%i$rate# an#

insta%%e# as per #ra,ing 2pecia%%& T"r$ovisor& instr"ments for #rive t"r$ine ) governing contro%

s&stem are insta%%e# caref"%%&

PR13E22 F1R PRE 31//I22I1NIN* AND 31//I22I1NIN*

P.S If you are looking to earn few legitimate extra money from the comfort of your home thenplease click on the link gien !elow

6IN7 8 - P6EA2E 36I37 9ERE6IN7 : - P6EA2E 36I37 9ERE

to 'no, a$o"t PT3 p%ease rea# m& other $%og ;common man;

contin"e# to part -iii

Poste# $& De$asish *"ha at C=> No comments= Emai% ThisB%ogThis@2hare to T,itter2hare to Face$oo'2hare to Pinterest

)e*nes*ay+ &ugust -,

TURBINE DRIVEN BOILER FEED PUMP EREC. &COMMNG

-ABC OF THERMAL POWER PLANT

 As  state# in ear%ier posts there are three Boi%er Fee# P"mps (?+ in a therma%

po,er station of /4 an# a$ove :+ t"r$ine #riven BFP ( norma%%& ,or'ing ,hen

"nit is r"nning a$ove certain %oa# an# other is 8+ /DBFP ,hich "s"a%%& r"ns

#"ring start "p

4e have a%rea#& e+p%aine# in %ast fe, $%ogs a$o"t erection an# commissioning of /DBFP For TDBFP p"mps are same ,hether it is $ooster p"mp or main p"mp

Instea# of /1T1R #riven ,e have varia$%e spee# t"r$ine ,ith #isconnecting co"p%ing

$oth si#es In this $%og ,e ,i%% #isc"ss on%& the t"r$ine as p"mps are simi%ar

 Technica% #ata of T"r$ine

a /a+im"m o"tp"t << 74

$ Design rating

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 5/11

  (Economica% rating <?: 74

c 2pee# :< RP/

# 2pee# range 8>C>-< RP/

e Initia% 2team Press"re ?? ata

f Initia% steam Temperat"re :GC 3

g E+ha"st press"re 8> ata1i% 2&stem

a 6"$e oi% p"mp : Nos

$ Emergenc& 1i% p"mp 8 No

c ac'ing 1i% P"mp 8 No

# 1i% vapo"r e+tractor fans : Nos

PR13E22 = ERE3TI1N 39E37

Fo"n#ation chec'ing of e%evation )p%an that is #ifferent poc'et ho%es an# other meas"ra$%e items as per given approve# #ra,ing This the protoco% for ta'ing

fo"n#ation from civi% ven#or for erection p"rpose (e%evation ,ithinHmm5-8mm

3hec' that #epth an# vertica%it& of each poc'et is 17 3hec'ing to $e #one $& ,ater 

%eve% 5#"mp& %eve%5 tota% station

Distance from fi+e# reference a+is eg A-ro,) B-ro, 3o%"mns (8mm 5 metre) ± mm

/a+- Esta$%ishing centre %ine as given in the #ra,ing $& p"tting #istances from fi+e#

point This can $e #one $& meas"ring tapes or $& tota% stations

/ar'ing of e!"iva%ent a+es on fo"n#ation P%"m$ Bo$ 5 tota% station

Fitting of ha%f co"p%ings to a%% e!"ipment after ens"ring correspon#ing fits For taper 

co"p%ing) ens"re aro"n# G contact $et,een shaft co"p%ing

B%"e matching the top s"rface of fo"n#ation frame ,ith correspon#ing $ottom s"rfaces

of e!"ipment ,ith aro"n# G contact

Positioning an# a%ignment of a%% e!"ipment on the fo"n#ation /eas"re #istance

$et,een co"p%ing ha%f faces of fo%%o,ing e!"ipments $& Vernier 5 /icrometer 5 Tape

  Booster P"mp an# *ear$o+  *ear$o+ an# Drive t"r$ine

  Drive t"r$ine an# BFP

*ro"ting of Fo"n#ation Bo%ts 3hec' that n"t has f"%% contact ,ith fo"n#ation frame after 

tightening

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 6/11

6eve%ing an# a%ignment of e!"ipment $& 0ac' $o%ts (,ithin 8 mm 5 / D"mp& 5

Precision 2pirit %eve% an# #ifferent thic'ness pac'er p%ates

Foundation frame grouting. $ow a days grouting is done with ready mix

concrete of %'g #ags main supplier is ()), P(*E+ ,F-) etc. This is a

specialised o# it is ad/isa#le to do concreting in presence of suppliersrepresentati/e to a/oid any complicacy afterwards. Please insist on test

certi"cate and cu#e testing on one day and three day sample. This may #e%a&

the process ho,ever $& passing an& of the test ma& comp%icate the sit"ation after,ar#s

/a0or chec's of e!"ipment are a%rea#& to%# #"ring m& ear%ier $%og P%ease go thro"gh it

 A%ignment (%atera% an# ang"%ar $et,een $ooster p"mp gear$o+) gear$o+ Drive

t"r$ine shaft) Drive t"r$ine shaft BFP) /eas"re #istances $et,een co"p%ing f%anges

This is #one ,itho"t an& pipe connection ( ,ater %ine )oi% %ine an# steam %ine This is

pre fina% rea#ing an# after #oing fina% connection fina% rea#ing to $e ta'en 9o,ever 

#"ring co"rse of erection this rea#ing is chec'e# to fin# the effect of connection Dia%*a"ge5/icrometer

P.S If you are looking to earn few legitimate extra money from the comfort of your home then

please click on the link gien !elow

6IN7 8 - P6EA2E 36I37 9ERE

6IN7 : - P6EA2E 36I37 9ERE

to 'no, a$o"t PT3 p%ease rea# m& other $%og ;common man;

3ontin"e# to part –ii ( TDBFPPoste# $& De$asish *"ha at 8:=:< 8 comment= Emai% ThisB%ogThis@2hare to T,itter2hare to Face$oo'2hare to Pinterest

0ri*ay+ ,1 2une -,

BOILER FEED PUMP ERECTION AND COMMISSIONING

FINAL PART-ABC OF THERMAL POWER PLANTTYPICAL INTERLOCK & PROTECTION REQUIRED FOR BFP COMMISSIONING

Ensure completion, installation and readiness of all instrumentation wor's, as perinstrumentation

schedule, on BFP0 Booster pump0 1otor0 2ydraulic coupling0 de3aerator.

)ali#ration, setting and testing of primary instruments.

Pressure gauges0 switches0 transmitters cali#ration and installation and wiring up to 4B.

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 7/11

 Temp gauges0 switches0 transmitters cali#ration and installation up to 4B.

+e/el gauges0 switches0 transmitters.

+imit switches.

5nstallation of 4Bs, ca#ling & termination in local and control room.

eadiness of control supply to Panels6

(/aila#ility of +T & 2T supplies and readiness of electrical protectioninstruments.

eadiness of mechanical system.

il system

7e8aerator

)ompressed air system. 9 )ompressed air is re:uired for pneumatic /al/eoperation.

)harging and testing of panels.

)ommissioning of motorized /al/es, actuators & pneumatic re circulation/al/e.

)hec'ing of 5nterloc's, protections & (larms6

.9i! )ali#ration of speed control de/ice li'e scope tu#e 0thyrister control

etc9ii! il pressure low9iii! ;uction /al/e open9i/! 7e3aerator le/el low9/! Feed pump suction0 discharge temperature high.9/i! Balancing lea' o< pressure. high9/ii! e circulation /al/e open/iii! Bearings /i#rations high 9where/er pro/ided!ix! emote0 local tripping

TRIAL RUN OF HYDRAULIC COUPLING

 

eadiness of lu#rication oil & wor'ing oil coolers and a/aila#ility of cooling water.

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 8/11

)harge lu#rication oil and wor'ing oil coolers.

)hec'ing of 2) interloc's & protections

Ensure alignment of 2ydraulic coupling with BFP motor.

Ensure proper earthing of 2ydraulic coupling.

)hec' oil le/el in hydraulic coupling sump.

;tart (P and monitor lu#rication oil header pressure.

;tart trial run of 2ydraulic coupling.

)hec' regulating oil pressure and set, if re:uired.

1onitor all parameters of hydraulic coupling= *auges are a/aila#le 0mounted on thee:uipment

  5. +u#rication oil and egulating oil pressure.  ii. 1otor current.  iii. 2ydraulic coupling #earings temperatures.  i/. +u#rication oil temp at +. . cooler inlet and outlet.  /. >or'ing oil temp at >.. cooler inlet and outlet.  /i. 1otor winding temps. 

 T5(+ ?$ F BFP 

@ Ensure free rotation of BFP #y hand #eforecoupling.

% Ensure completion of  alignment6

5. 1otor & Booster pump  ii. 1otor & hydraulic coupling.  iii. 2ydraulic coupling & BFP

;pecial attention to #e gi/en on pipe line "nal connection.Pipes to #e ensured asfree #ody through

hanger adustment. $o tension on pipes is permitted otherwise alignment will #edistur#ed.

A Flushing of mechanical seal cooling water lines for BP as well as BFP &1echanical seal water

cooler cooling water lines.

ptimisation of oil Cow through #earings #y using ori"ce plates

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 9/11

unning of (P

D )harging of all system69i! +u#rication oil0 wor'ing oil coolers

  9ii! ;eal water coolers

  9iii! ;uction /al/e opening9i/! e circulation /al/e 95solation /al/e! opening

  9/! )harging of )&5 local panels

Fill de8aerator and maintain normal le/el.

5nterloc's & protections chec'ing.

G ;tart BFP.

@H 1onitor all parameters of BFP and motor=

  5. )urrent  ii. BFP suction pressure.  iii. BFP discharge pressure.  i/. Balancing lea' o< pressure.  /. 7e3aerator le/el.  /i. BFP suction0 discharge 7i<erential Temperature.  /ii. +u#rication oil0 wor'ing oil pressures and temps.  /iii. Booster pump0 BFP0 1otor0 2ydraulic )oupling #earings and drainoil temps.

ix. )ooling water temps.  x. ;eal water0 seal water coolers temps.  xi. 1otor winding temps.

  xii. Bearing /i#rations.

TURBINE DRIVEN BOILER FEED PUMP COMMNG PART-II

 ABC OF THERMAL POWER PLANT  PART -II ( TDBFP 31//N*

3ontin"e# from PART-I

 A%% %oca% an# remote instr"mentation for the s&stem is comp%ete

Ins"%ation of the fo%%o,ing comp%ete#

a Re-circ"%ation %ine of main p"mp

$ 2"ction an# #ischarge %ine of $ooster p"mp an# main p"mp

c /ain p"mp an# $ooster p"mp $o#&

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 10/11

3ommissioning of va%ves re%ate# to the fee# p"mp s&stem are comp%ete# (2"ction

iso%ating va%ve) #ischarge iso%ating va%ve) re-circ"%ation va%ve an# motor coo%ing ,ater 

iso%ating va%ve etc

 A%% instr"mentation %oca% )remote comp%ete# ) an# a%so Inter%oc' an# protection s&stem

sim"%ation chec'ing comp%ete#

"ommissioning of Oil System an* Turning 3ear Operation of 40P Tur!ine5 4H$6make

1i% f%"shing of %"$rication oi% s&stem comp%ete# an# %ines are norma%i.e# ( note=-

temporar& pipes )$en#s etc remove# 'ept it for "se of ne+t p"mp oi% f%"shing ne+t p"mp

T"r$ine is #isconnecte# from gear $o+ an# main p"mp an# 'ept in iso%ation

3omp%etion of %"$e oi% in%et %ines ,ith thrott%es 5 orifices press"re ga"ges an# ret"rn %ines

,ith vie, g%ass an# temperat"re ga"ges

3hec' hea%thiness of $earing meta% temperat"re #etectors of t"r$ine) main p"mp an#

$ooster p"mp ( In genera% ,e "se P%atin"m RTD ( 8 ohm #egree or Ni-3r-Ni

thermo-co"p%e >8:mv58 #eg increase therefore as per vis"a% chec' ,ith a meter a%%

,i%% sho, room temperat"re

Ens"re proper mo"nting of spee# pro$es an# t"r$ine s"pervisor& pro$es ( a+ia% shift )

therma% e+pansion ) overa%% therma% e+pansion ,ith #o,e%%ing after necessar&

ca%i$ration

Ens"re the comp%etion of ac'ing 1i% of %ines ,ith thrott%e va%ve) NRV ( non ret"rn va%ve

an# iso%ating va%ve

Ens"re hea%th& fi%ter e%ements in /1P) A1P) E1P s"ction %ines) /1P) A1P an# E1P

#ischarge %ines an# 1P s"ction %ine

1i% is fi%%e# in /1T thro"gh centrif"ge to a#e!"ate %eve% ( 2ervo prime > or e!"iva%entfrom an& other compan&

7eep open the vents of %"$e oi% coo%ers an# fi%ter to p"rge air from the s&stem

7eep the changeover va%ve of %"$e oi% coo%er an# fi%ter in s"ch a ,a& that on%& one

coo%er a# fi%ter ,i%% $e in service

Drains of %"$e oi% coo%ers) fi%ters sho"%# $e in c%ose# position to avoi# an& %oss of oi%

2tart one of the oi% vapo"r fans ,ith its s"ction va%ve open con#ition

2tart one of the %"$e oi% p"mps ens"ring f%o, thro"gh recirc"%ation

 A#0"st %"$e oi% hea#er press"re contro% va%ve to maintain %"$e oi% press"re of : 'g5cm:

( appro+ after contro% station

 A#0"st %"$e oi% #ischarge press"re to 8'g5cm:(appro+ $& setting re-circ"%ationcontro% va%ve

B& operating iso%ating va%ve of recirc"%ation contro% va%ve) chec' the safet& va%ve

popping an# a#0"st if re!"ire#

3hec' the %"$e oi% f%o, to the $earing of t"r$ine) main p"mp an# $ooster p"mp

/onitor %"$e oi% #"p%e+ fi%ter DP

2top the p"mp an# start other %"$e oi% p"mp an# chec' its #ischarge safet& va%ve

popping an# a#0"st if re!"ire#

7/16/2019 Turbine Driven Boiler Feed Pump Commng

http://slidepdf.com/reader/full/turbine-driven-boiler-feed-pump-commng 11/11

2top r"nning p"mp an# start D3 E1P ( Emergenc& 1i% P"mp

Ens"re a#e!"ate %"$e oi% press"re an# f%o, 7eep D3 E1P r"nning for > ho"rs to chec'

the hea%thiness of the s&stem ,ith E1P

2top D3 E1P an# 'eep %"$e oi% p"mp in service

3harge the s"ction %ine of 1P from %"$e oi% hea#er

2tart 1P an# a#0"st the safet& re%ief va%ve to 88 'g5cm: A#0"st press"re reg"%ating va%ve to 8 'g5cm:

 A#0"st the thrott%e va%ves in ac'ing oi% s"pp%& to front an# rear 0o"rna% $earings s"ch

that the rotor %ifts aro"n# to 8 mm 2top 1P an# start again 3hec' an# recor#

the ac'ing oi% press"res an# rotor %ifts in the t"r$ine front an# rear 0o"rna% $earings

3hec' an# ens"re the freeness of rotor for rotation $& engaging han# $arring %ever an#

then stop 1P

Ens"re a"to operation of A1P I) A1P II an# D3 E1P thro"gh correspon#ing press"re

s,itches operation ( Part of protection chec'ing an# a"to operation 3"t in of D3E1P

in emergenc& is most important aspect

7eep A1P I in service) A1P II an# E1P on a"to1i% temperat"re is a$ove > #egree 3

3harge coo%ing ,ater to coo%er an# ens"re oi% temperat"re contro% va%ve a"to operation

2tart 1P an# open t"rning gear va%ve

1nce the rotor pic's "p spee#) t"rning gear va%ve ma& $e c%ose# for chec'ing the rotor 

for possi$%e r"$$ing at en# g%an# sea%s) heat shie%#s) oi% ga"r#s etc) ,hi%e coasting

#o,n

If the rotor is fo"n# smooth ti%% it comes to stan#sti%%) t"rning gear va%ve ma& $e opene#

f"%%

T"rning gear spee# of aro"n# : RP/ an# smooth r"nning

1$serve an# recor# $earing meta% temperat"res) vi$rations) eccentricit& etcan# r"n for 

G ho"rs stop t"rning gear an# o$serve coasting #o,n etc)

/1P /AIN 1I6 PU/P

 A1P AUJI6IARK 1I6 PU/P

1P A37IN* 1I6 PU/P

D3 E1P E/ER*EN3K 1I6 PU/P ( DIRE3T 3URRENT