Napier NA297

Direct successor to the NA295; very common in tugs and HFO-burning vessels.

Parts

Turbine Inlet/Outlet Casings

101 Turbine Inlet Casing 1E EJ 0101

102 Turbine Inlet Casing 2EL (Dia 165mm) EJ 0201

103 Turbine Inlet Casing 3E EJ 0301

104 Turbine Inlet Casing 4E EJ 0401

105 Turbine Inlet Casing 2ES (Dia 126mm) SP 13631

106 Turbine Inlet Casing 2E. OFF EJ 0211

110 Capscrew - Turbine Wash 151 106 012

111 Turbine Wash Blanking Plate EJ 0979

112 Turbine Wash Injector Plate EJ 0978

113 Turbine Wash Injector EJ 0971-01

114 Turbine Wash Injector EJ 0971-02

115 Plug-Temperature Boss BA 0976

116 Stud - Turbine Inlet/Outlet Casing 191 312 065

117 Spacer -Turbine Inlet/Outlet Casing EJ 0677

118 Nut - Turbine Inlet/Outlet Casing EJ 0678

120 Nozzle EJ 0750

121 Nozzle Clamp Ring EJ 0888

122 Capscrew - Clamp Ring 151 110 025

123 Lock Washer EJ 0902-10

125 'C' Seal - Turbine Inlet/Turbine Outlet EJ 0675

130 Shroud EJ 18**

131 Capscrew - Shroud 151 208 120

132 Lock Washer EJ 0902-08

140 Turbine End Mounting Foot *

141 Stud - Mounting Foot 191 312 025

142 Lock Washer EJ 0902-12

143 Nut - Turbine End Mounting Foot 211 114 012

150 Turbine Outlet Adaptor (not illustrated) SP13855

151 Turbine Outlet Adaptor (not illustrated) SP13856

160 Turbine Outlet Casing EJ 1042

162 Drain Cover EJ 1057

163 Drain Cover - Joint EJ 1056

164 Bolt - Safety Main casing/Turbine outlet 111 312 055

165 Nut - For 164 - Not Illustrated 211 114 012

166 Washer Plain - For 165 231 111 012

167 Setscrew - Safety Main Casing/Comp Out 117 312 030

Main Casing And Non Integrated Oil Option

115 Plug-Alternative Lub Oil Inlet BA 0976

200 Main Casing EJ 2001 or EJ 2002

201 Cone EJ 2203

202 Bearing Housing Turbine End EJ 2521 or EJ 2562

203 Oil Feed Pipe EJ 2591

204 Bearing Housing Compressor End EJ 2531 or EJ 2561

205 Major Thrust Plate EJ 2578

206 "O" Ring Bearing Housings 354 301 795

207 Caphead Screw - Major Thrust Plate EJ 2586

208 Caphead Screw - Bearing Hsg/seal plate 151 108 025

209 Bearing Turbine End EJ 2584

210 Bearing, Compressor End EJ 2585

211 Retaining Ring - Bearings 239 521 095

212 'O' Ring - Oil Transfer Tube 354 160 111

213 Bearing Housing Plug BA 0974

214 Anti-Rotation Screw EJ 2587

215 Capscrew - Cone 151 210 120

216 Disc-Lock Washer - Cone EJ 0902-10

217 Seal Plate EJ 2606

218 Seal Ring - CE EJ 2589

219 Seal Ring - TE ND85255

220 Sealing Caps EJ 2664-02

222 Oil Drain Cover EJ 2461

223 Joint Oil Drain EJ 2462

224 Setscrew - Oil Drain Cover 117 310 025

225 Oil Inlet Manifold EJ 2671

226 Manifold Bracket EJ 2673

227 Lub Oil Strainer EJ 2675

228 Bonded Seal 036613

229 Oil Inlet Pipe EJ 2672

230 Male Stud Coupling EJ 2674-02

231 Setscrew - Manifold Bracket 119 410 012

232 Spring Washer 233 121 008

233 Capscrew-Low Head EJ 2676

234 O-ring 354 240 206

235 Blanking Plug (Manifold) EJ 2674-01

236 Spring Washer M10 - Oil Drain Cover 233 211 010

Rotor Assembly And Compressor Outlet Casing

115 Plug BA 0976

300 Compressor Outlet Casing EJ 3105

301 Compressor Insert EJ 3814

302 Packing Ring EJ 3711

303 Peelable Shim - Compressor Insert EJ 3523

304 Diffuser *

305 Stud - Compressor Outlet/Main Casing 191 312 120

306 Nut - For item 305 and AFS 211 114 012

307 Stud- AFS or Side Entry Casing 191 312 035

308 Spring Washer - for items 305 & 307 233 211 012

309 Caphead Screw - Packing Ring 151 106 030

310 Caphead Screw - Compressor Insert 151 110 035

311 Lock Washer EJ 0902-10

312 Washer Plain - for item 307 231 111 012

400 Rotor Assembly *

401 Thrust Collar EJ 4067

402 Impeller *

403 Shaft and Blisc Assembly *

500 Air Filter Silencer EJ 5370

510 Side Entry Casing SP 13691

515 Compressor Water Wash Pipe SP 13592

516 Compressor Water Wash Coupling BL 5842

800 Speed Sensor Probe EJ 3815

900 Insulation EJ 1401

To identify and order a spare part for NA297, please provide the model name and the serial number stamped on the nameplate.