0350181 *PLATE, Frame, front JOHNSON
J25ELSNF, J25ELSOB, J25ELSRM, J25ELSTA, J25GTESOC, J25GTESRS, J25RLSNF, J25RLSOA, J25RLSRR, J25RLSTC, J25RTSOS, J25TELSNF, J25TELSTR, J25WRLSOB, J25WRLSRM, J30ELSNF, J30ELSOD, J30ELSRE, J30ELSTB, J30RLSNF, J30RLSOD, J30RLSRE, J30RLSTB
PLATE
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BRP JOHNSON entire parts catalog list:
- ENGINE COVER » 0350181
J25ELSRM 2004
J25ELSTA 2003
J25GTESOC, J25TELSOM, J25TESOM 2005
J25GTESRS, J25TELSRA, J25TESRA 2004
J25RLSNF, J25RSNF 2002
J25RLSOA, J25RSOA 2005
J25RLSRR, J25RSRR 2004
J25RLSTC, J25RSTC 2003
J25RTSOS 2005
J25TELSNF, J25TESNF 2002
J25TELSTR, J25TESTR 2003
J25WRLSOB, J25WRSOB 2005
J25WRLSRM, J25WRSRM 2004
J30ELSNF 2002
J30ELSOD 2005
J30ELSRE 2004
J30ELSTB 2003
J30RLSNF, J30RSNF 2002
J30RLSOD, J30RSOD 2005
J30RLSRE, J30RSRE 2004
J30RLSTB, J30RSTB 2003
Information:
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Before you begin inspection of the turbocharger, be sure that the inlet air restriction is within the specifications for your engine. Be sure that the exhaust system restriction is within the specifications for your engine. Refer to Systems Operation/Testing and Adjusting, "Air Inlet and Exhaust System - Inspect".The condition of the turbocharger will have definite effects on engine performance. Use the following inspections and procedures to determine the condition of the turbocharger.
Inspection of the Compressor and the Compressor Housing
Inspection of the Turbine Wheel and the Turbine Housing
Inspection of the WastegateInspection of the Compressor and the Compressor Housing
Remove the air cleaner from the compressor inlet.
Illustration 1 g00766001
Typical example of a turbocharger
(1) Turbine housing
(2) Turbine wheel
(3) Turbocharger
Inspect the compressor wheel for damage from a foreign object. If there is damage, determine the source of the foreign object. As required, clean the inlet system and repair the intake system. Replace the turbocharger. If there is no damage, go to Step 3.
Clean the compressor wheel and clean the compressor housing if you find buildup of foreign material. If there is no buildup of foreign material, go to Step 3.
Turn the rotating assembly by hand. While you turn the assembly, push the assembly sideways. The assembly should turn freely. The compressor wheel should not rub the compressor housing. The turbocharger must be replaced if the compressor wheel rubs the compressor wheel housing. If there is no rubbing or scraping, go to Step 4.
Inspect the compressor and the compressor wheel housing for oil leakage. An oil leak from the compressor may deposit oil in the aftercooler. Drain and clean the aftercooler if you find oil in the aftercooler.
Check the oil level in the crankcase. If the oil level is too high, adjust the oil level.
Inspect the air cleaner element for restriction. If restriction is found, correct the problem.
Inspect the engine crankcase breather. Clean the engine crankcase breather or replace the engine crankcase breather if the engine crankcase breather is plugged.
Remove the turbocharger oil drain line. Inspect the drain opening. Inspect the oil drain line. Inspect the area between the bearings of the rotating assembly shaft. Look for oil sludge. Inspect the oil drain hole for oil sludge. Inspect the oil drain line for oil sludge in the drain line. If necessary, clean the rotating assembly shaft. If necessary, clean the oil drain hole. If necessary, clean the oil drain line.
If Steps 4.a through 4.d did not reveal the source of the oil leakage, the turbocharger has internal damage. Replace the turbocharger. Inspection of the Turbine Wheel and the Turbine Housing
Remove the air piping from the turbine housing.
Inspect the turbine for damage by a foreign object. If there is damage, determine the source of the foreign object. Replace turbocharger (3). If there is no damage, go to Step 2.
Inspect turbine wheel (2) for buildup of carbon and other foreign material. Inspect turbine housing (1) for buildup of carbon and foreign material. Clean turbine wheel (2) and clean turbine housing (1) if you find buildup of carbon or foreign material. If there is no buildup of carbon or foreign material, go to Step 3.
Turn the rotating assembly by hand. While you turn the assembly, push the assembly sideways. The assembly should turn freely. Turbine wheel (2) should not rub turbine wheel housing (1). Replace turbocharger (3) if turbine wheel (2) rubs turbine housing (1). If there is no rubbing or scraping, go to Step 4.
Inspect the turbine and turbine housing (1) for oil leakage. Inspect the turbine and turbine housing (1) for oil coking. Some oil coking may be cleaned. Heavy oil coking may require replacement of the turbocharger. If the oil is coming from the turbocharger center housing go to Step 4.a. Otherwise go to “Inspection of the Wastegate”.
Remove the turbocharger oil drain line. Inspect the drain opening. Inspect the area between the bearings of the rotating assembly shaft. Look for oil sludge. Inspect the oil drain hole for oil sludge. Inspect the oil drain line for oil sludge. If necessary, clean the rotating assembly shaft. If necessary, clean the drain opening. If necessary, clean the drain line.
If crankcase pressure is high, or if the oil drain is restricted, pressure in the center housing may be greater than the pressure of turbine housing (1). Oil flow may be forced in the wrong direction and the oil may not drain. Check the crankcase pressure and correct any problems.
If the oil drain line is damaged, replace the oil drain line.
Check the routing of the oil drain line. Eliminate any sharp restrictive bends. Make sure that the oil drain line is not too close to the engine exhaust manifold.
If Steps 4.a through 4.d did not reveal the source of the oil leakage, turbocharger (3) has internal damage. Replace turbocharger (3). Inspection of the Wastegate
The wastegate controls the amount of exhaust gas that is allowed to bypass the turbine side of the turbocharger. This valve then controls the rpm of the turbocharger.When the engine operates in conditions of low boost (lug), a spring presses against a diaphragm in the canister. The actuating rod will move and the wastegate will close. Then, the turbocharger can operate at maximum performance.When the boost pressure increases against the diaphragm in the canister, the wastegate will open. The rpm of the turbocharger becomes limited. The rpm limitation occurs because a portion of the exhaust gases bypass the turbine wheel of the turbocharger.The following levels of boost pressure indicate a problem with the wastegate:
Too high at full load conditions
Too low at
Parts plate JOHNSON:
0324318
0324318 PLATE,Leaf
25E79R, 35E79A, BJ20SEECB, BJ20SEEDA, BJ20SEEUM, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25BAECM, BJ25BAEDR, BJ25BAEUA, BJ25EECE, BJ25EEDM, BJ25EEED, BJ25EEUB, BJ25ELSIC, BJ25ELSSS, BJ30BAECS, BJ30BAEDE, BJ30BAEEC, BJ30BAEUD, BJ30EECS, BJ30EEDE, BJ30EEEC,
0208424
0208424 PLATE, Handle support, evinrude
BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25BAECM, BJ25BAEDR, BJ25BAEUA, BJ30BAECS, BJ30BAEDE, BJ30BAEEC, BJ30BAEUD, D25RWA, HJ20CREDA, HJ25FPO, HJ25FPV, HJ25RLEDA, HJ30REDE, J20CRCCA, J20CRCDC, J20CRCEM, J20CRCUR, J20CREIE, J20CREND, J20CREOR, J20CRERC, J2
0328755
0328755 PLATE,Impeller housing
BJ20SEECB, BJ20SEEDA, BJ20SEEUM, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25ARECA, BJ25AREDC, BJ25AREUR, BJ25BAECM, BJ25BAEDR, BJ25BAEUA, BJ25EECE, BJ25EEDM, BJ25EEED, BJ25EEUB, BJ25ELSIC, BJ25ELSSS, BJ25PL3EEM, BJ25PL3SIE, BJ25PL3SSB, BJ30BAECS, BJ30BAEDE
0327944
0327944 PLATE,Throttle control
BJ10EEDD, BJ10FAEDC, BJ10FAEUR, BJ10RELEUS, BJ10RHLSDA, BJ10RHLSOR, BJ10RHLSRC, BJ10RHLSTS, BJ15EEDS, BJ15RELEUC, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25ARECA, BJ25AREDC, BJ25AREUR, BJ25BAECM, BJ25BAEDR, BJ25BAEUA, BJ25PL3EEM, BJ25PL3SIE, BJ25PL3SSB, B
0328772
0328772 PLATE, Impeller housing, chrome
BJ20SRECB, BJ20SREUM, BJ25BAECM, BJ25BAEUA, BJ30BAECS, BJ30BAEEC, BJ30BAEUD, HJ20CREDA, HJ25FPO, HJ25FPV, HJ25RLEDA, HJ30REDE, J20CREIE, J20CREND, J20CREOR, J20CRERC, J20CRETS, J25ELSNF, J25ELSOB, J25ELSRM, J25ELSTA, J25GTESOC, J25GTESRS, J25JREEM, J
0584208
0584208 PLATE & SLEEVE ASSY.
BJ20SEECB, BJ20SEEDA, BJ20SEEUM, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25BAECM, BJ25BAEDR, BJ25BAEUA, BJ25EECE, BJ25EEDM, BJ25EEED, BJ25EEUB, BJ25ELSIC, BJ25ELSSS, BJ30BAECS, BJ30BAEDE, BJ30BAEEC, BJ30BAEUD, BJ30EECS, BJ30EEDE, BJ30EEEC, BJ30EEUD, BJ30E
0350183
0350183 PLATE, Rear decal - 30HP
J25ELSNF, J25ELSOB, J25ELSTA, J25RLSNF, J25RLSTC, J25TELSNF, J25TELSTR, J30ELSNF, J30ELSOD, J30ELSTB, J30RLSNF, J30RLSTB
0350182
0350182 PLATE, Rear decal - 25HP
J25ELSNF, J25ELSOB, J25ELSRM, J25ELSTA, J25GTESOC, J25GTESRS, J25RLSNF, J25RLSOA, J25RLSRR, J25RLSTC, J25RTSOS, J25TELSNF, J25TELSTR, J25WRLSOB, J25WRLSRM, J30ELSNF, J30ELSOD, J30ELSRE, J30ELSTB, J30RLSNF, J30RLSOD, J30RLSRE, J30RLSTB