（Flushing Procedure for Main L.O System & Main Engine）2009. 02. 01~7일HHI-EMD（Contents）内容（Contents）1.清洗目的（Flushing Purpose）2.润滑油的清洗范围（Scope of Oil Flushing）3.造船厂的主要润滑油清洗步骤（Flushing Sequence of Main Lube Oil Systems –Yard Line）4.主机清洗步骤（Flushing Sequence of Main Engine）5.绕过法兰盖的種類（Kinds of By-pass Blind Flange）6.错误清洗的案例（Case Study of Bad Flushing）1.清洗目的（Flushing Purpose）2.润滑油的清洗范围（Scope of Oil Flushing）3.造船厂的主要润滑油清洗步骤（Flushing Sequence of Main Lube Oil Systems –Yard Line）4.主机清洗步骤（Flushing Sequence of Main Engine）5.绕过法兰盖的種類（Kinds of By-pass Blind Flange）6.错误清洗的案例（Case Study of Bad Flushing）1）为了清除掉在主要润滑系统，存储箱和管道里的杂质（To remove particles in Main lube oil system, tanks and piping ,etc.）§喷砂处理（Sand blast）-砂, 鋼片§焊接（Welding）-桿, 棒, 淺(Spatters)§其他外来材料-衣料等（Other foreign materials -clothes, etc.)u 主机启动之前，所有润滑油要流进主机必须要对它进行清洗（All oil systems flowing into Main Engine must be flushed before Engine start-up）u 在连接主机管道之前，外部管子应该将汚染物等清洗掉（External pipes should be free of dirt and particles before connection to engine pipes2) 为了保持系统清洗油的质量（To maintain clean oil in the system.）§清洁NAS 9级（Cleanliness NAS grade 9）or ISO 4406 level 19/15( Pls contact HHI Supervisor for detail)3) 防止杂质流进主机（To prevent Main Engine from particle inflow.）l 所有轴承(All bearings) :主轴承(Main),十字头(X-head),曲拐销(Crankpin)l 曲轴颈和销（Crankshaft Journal & Pin）l 增压器（Turbocharger）l 凸轮和滚筒（Cam & Rollers）l 主链条和链轮（Main chain & Chain Wheels）l 其他运行部分（Other running parts）l 燃油泵（Fuel pumps）u 不合适的清洗将导致严重损坏(Improper flushing shall result in serious damage on engine components)2. 润滑油清洗范围（Scope of Oil Flushing）NORMAL OPENMain EnginePURIFIER(5 μm)2. 润滑油清洗的范围（Scope of Oil Flushing）u主机系统（Main Engine Systems）1.主轴承润滑油管道（Main Bearing L.O Line）2.适塞冷却/十字头轴承润滑油管道（PCO/Crosshead Bearing L.O Line）3.凸轮轴承&排气阀润滑油管道（Cam Bearing & Exh. valve L.O Line）4.链条盒的润滑油管道(Chain Case L.O Line）5.增压器润滑油管道（Turbocharger L.O Line）6. Others & Optional Parts3. 船厂管道主要润滑油系统清洗(Flushing of Main L.O Systems –Yard Line)NORMAL OPENBy-pass LineMain EnginePURIFIER(5 μm)3. 船厂管道主要润滑油系统清洗（Flushing of Main L.O Systems –Shipyard Line）NORMAL OPENMAIN ENGINE PIPE LINEBy-pass LineMain EnginePURIFIER(5 μm)By-pass hose3. 船厂管道主要润滑油系统清洗(Flushing of Main L.O Systems –Yard Line)NORMAL OPENMAIN ENGINE PIPE LINEBy-pass LineMain EnginePURIFIER(5 μm)Check bag3.船厂管道主要润滑油系统清洗(Flushing of Main L.O Systems –Yard Line)NORMAL OPENMAIN ENGINE PIPE LINEBy-pass LineMain EnginePURIFIER(5 μm)4.主机清洗顺序(Flushing of Main Engine)4-1 Preparations & Check before Flushing v Attention!注意!船厂的清洗工作非常重要为了保持已清洗好的发动机要跟着第3章的步骤进行清洗工作.HHI已准备好帮助船厂做清洗工作.Shipyard flushing is so important to keep M/E & vessel’s service.Flushing procedure on Chapter 3 should be followedto keep engines of already flushed and cleaned condition.HHI are ready to support shipyard & M/E flushing on request.为了更干净的质量和省事(For better cleanness quality and saving works)1. 跟着第三章所显示，检查润滑油的清洁和外管系统(To check the L.O cleanness and the external piping system as Ch 3,By means of checkbags and recommended particle counting)2.和HHI-EMD服务工程师一起检查主机的清洁程度(To consult M/E clean condition & scope of flushing with HHI-EMD service engineer/inform HHI of M/E status)3.如需要，HHI可以提供更多的说明和派专家(HHI can support more detail instruction & delegate specialist on shipyardrequest)4. Main Lub. Oil flushing(Yard+Engine Line)Crossheadpinopen space4.主机清洗顺序(Flushing Sequence of Main Engine)2383414-3 Main Engine Inside Flushing &Location of blind flange①拆下到主机的主要管道Main bearing pipe line ②曲拐箱里的十字头轴承(活塞冷却油)Cross head bearing (PCO) pipe line ③Main chain, cam & exh.valve drive pipe line ④Thrust bearing pipe line ⑤Axial vibration damper pipe line ⑥Torsional vibration damper pipe line(Option)⑦Moment compansator chain drive line(Option) ⑧增压器管道Turbo charger Lub.oil line⑨Hydraulic chain tightener pipe line(Option)4.主机清洗顺序(Flushing Sequence of Main Engine)Mount between main brg.cap& L.O. pipe Nord lock washerAttention ! Correct use of Nord lock washer(see page 23)Be careful of falling down into chamber /crankjournalNord lock washer4. 主机清洗顺序(Flushing Sequence of Main Engine)1.Dismantle PCO boltsonly one cylinder first at BDC 2. Lift PCO pipe 3. Mount by-pass blind flangeonly one cylinderBe careful of falling down into chamber / crank journal4. After one blind mounting,Check the gap 2mmbetween bolts at TDC 5. If bolt head touched, at least two bolts looseGap : Min. 2mm6. Mount by-pass blind on all cylindersBy-pass HoseConnection1.T/C Inlet pipe to be disassembled 2.By-pass hose to mount and connect with drain line underside.3.L.O for T/C inlet should be by-passed & flushed during a whole period of flushingT/C underside& Inlet pipeDrain line undersidegrating4-3-4. Main chain & Chain wheel bearing blind flange4-3-5. Thrust pad & aft.most bearing blind flange4-3-6. Axial vibration damper blind flangeAFT.Side4-3-8. 2’nd moment compensater blind flangePURIFIER (5 μm)MainEngineCheck bagNORMAL OPEN MAIN ENGINE PIPE LINE By-pass LinePURIFIER (5 μm)MainEngineCheck bagNORMAL OPEN MAIN ENGINE PIPE LINE By-pass Line1) Main Bearing By-pass2) P.C.O. Line By-pass1. Dismantle Inlet Pipe2. Check pipe inside 1. Lift P.C.O. pipe about 300mm2. Check pipe inside & guide shoe inletby means of eye & fingers300mmFinally, tighten the bolts with Nord lock washer as page 23.Do not separate like two washer. It works together all the time !!!normal bolt Counterbored holeMust Put it Both side Prevent loosing Do not use with other washersat the same time4. 主机清洗顺序(Flushing Sequence of Main Engine)24 354.主机清洗顺序(Flushing Sequence of Main Engine)15-2. Various Kinds for PCO/Cross head Bearing Bad ( x )-No weldingNormal, But to be improved ( O )Bad ( x )58M16X3551093030308M12X9080M12X7080M12X9080Bolt7Φpipe9A > > min.10C > 2mmIn case of S60MC-C ; A > 6.5 , A+B < 9.5 (ΦDrawing at the T.D.C point5252447862754478Chain wheel brg.2’ndMoment(F)2’ndMoment(A)5-6. Sample to insert blind flange 1mm5.绕过法兰盖的種類(Kinds of By-pass Blind Flange)12323主轴承颈(Main Journal)下部主轴承(Main bearing lower part)6-2. Gasket Piece Falling into Guide Shoe -PCO inletDuring M/E reassembly on board, gasket piece flowing into guide shoe inlet through PCO pipe lineGuide Shoe,PCO inletGasket Piece1122曲拐销(Crank pin)曲拐销轴承上部(Crank pin bearing upper)(Foreign particle in Crank pin bearing lower bearing by failure Of Oil flushing)曲拐销轴承下部(Crank pin bearing lower)电焊废渣(Welding slag)下部主轴承(Main bearing lower part)6-6. 由于润滑油清洗失败而导致活塞&汽缸套损坏(Piston & Cyl.liner damage by failure of oil flushing)润滑油管道&法兰(Lub. Oil pipe &flange)Important Point of Oil flushing1) Ship Yard Pipes Must Be Clean inside before Installing. 安装前，船厂管道必须保持干净.2) Ship Yard system must be flushed by using Vibrators.使用振动器，船厂系统必须清洗.3) Correct Installation of by-pass blank.纠正绕过管的安装.4) Check pipe inside before dismantling by-pass blanks.拆开旁通管之前，要检查管的内部.5) HHI are ready to support shipyard flushing workSummary of Oil FlushingThank You엔진기계사업본부主机润滑油系统清洗步骤(Flushing Procedure Main L.O System & Main Engine)2009. 02.。