0393285 NUT,Spring & spacer JOHNSON
J150CXCCA, J150CXCEM, J150CXEIE, J150CXESB, J150GTLCUR, J150STLACA, J150STLCDC, J150STLCEM, J150STLCOH, J150STLCRD, J150STLCTE, J150STLEIE, J150STLESB, J150TLCDC, J150TLCOS, J150TLCRD, J150TLCTB, J150TLCUR, J155WTLCDR, J155WTLCOC, J155WTLCRS, J155WTL
NUT
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Compatible models:
J150CXCCA
J150CXCEM
J150CXEIE
J150CXESB
J150GTLCUR
J150STLACA
J150STLCDC
J150STLCEM
J150STLCOH
J150STLCRD
J150STLCTE
J150STLEIE
J150STLESB
J150TLCDC
J150TLCOS
J150TLCRD
J150TLCTB
J150TLCUR
J155WTLCDR
J155WTLCOC
J155WTLCRS
J155WTLCUA
J155WTLEIB
J155WTLENE
J155WTLESM
J155WTLZ
J175STLACM
J175STLCEB
J175STLEID
J175STLESE
J175TLCDR
J175TLCOC
J175TLCTD
J175TLCUA
J185TLCOC
J185TLCRS
J200TLCTD
J235STLCOR
J235STLCRC
J235STLCTS
J235TLCOR
J235TLCRC
J235TLCTD
X155WTLM
JOHNSON
BRP JOHNSON entire parts catalog list:
J150CXCEM, J150TLAEM, J150TLCEM, J150TXCEM, TJ150TXCEM 1989
J150CXEIE, J150JLEIE, J150TLAIE, J150TLEIE, J150TXEIE, VJ150TLEIE, VJ150TXEIE 1991
J150CXESB, J150TLASB, J150TLESB, J150TXESB, VJ150TLESB, VJ150TXESB 1990
J150GTLCUR, J150STLCUR 1987
J150STLACA, J150STLCCA 1988
J150STLCDC 1986
J150STLCEM, TJ150SLCEM 1989
J150STLCOH, J150STLCOS 1985
J150STLCRD 1984
J150STLCTE 1983
J150STLEIE, TJ150SLEIE, VJ150SLEIE 1991
J150STLESB, TJ150SLESB, VJ150SLESB 1990
J150TLCDC, J150TXCDC 1986
J150TLCOS, J150TXCOS 1985
J150TLCRD, J150TXCRD 1984
J150TLCTB, J150TLCTE, J150TXCTB, J150TXCTE 1983
J150TLCUR, J150TXCUR 1987
J155WTLCDR, J155WTXCDR 1986
J155WTLCOC, J155WTXCOC 1985
J155WTLCRS, J155WTXCRS 1984
J155WTLCUA, J155WTXCUA 1987
J155WTLEIB, J155WTXEIB 1991
J155WTLENE, J155WTXENE 1992
J155WTLESM, J155WTXESM 1990
J155WTLZ, J155WTXZ 1989
J175STLACM, J175STLCCM, J175TLCCM, J175TXCCM 1988
J175STLCEB, J175TXCEB 1989
J175STLEID, J175TXEID, VJ175SLEID, VJ175TXEID 1991
J175STLESE, J175TXESE, VJ175SLESE, VJ175TXESE 1990
J175TLCDR, J175TXCDR 1986
J175TLCOC, J175TXCOC 1985
J175TLCTD, J175TLCTE, J175TXCTD, J175TXCTE 1983
J175TLCUA, J175TXCUA 1987
J185TLCOC, J185TXCOC 1985
J185TLCRS, J185TXCR 1984
J200TLCTD, J200TLCTS, J200TXCTD, J200TXCTS 1983
J235STLCOR 1985
J235STLCRC 1984
J235STLCTS 1983
J235TLCOR, J235TXCOR 1985
J235TLCRC, J235TXCRC 1984
J235TLCTD, J235TLCTS, J235TXCTD, J235TXCTS 1983
X155WTLM, X155WTXM 1988
Information:
Table 1
Required Tools
Part Number Part Name Quantity
1U-5470
or
198-4240 Engine Pressure Group
or
Digital Pressure Indicator 1
238-5080 O-Ring Seal 1
5P-6944 Adapter 1
3J-1907 O-Ring Seal 1
6V-3965 Fitting 1
Illustration 1 g00294866
1U-5470 Engine Pressure Group
Check the fuel pressure of the engine with the 1U-5470 Engine Pressure Group. The engine pressure group includes Special Instruction, SEHS8907, "Using the 1U-5470 Engine Pressure Group". This instruction provides information about the usage of the group.Note: The fuel system pressure can also be checked using Caterpillar Electronic Technician Cat (ET). Refer to Troubleshooting, "Electronic Service Tools" for more information regarding ET.
Illustration 2 g02561516
198-4240 Digital Pressure Indicator Gp
Note: Refer to Special Publication NEHS0818, "Using the 198-4240 Digital Pressure Indicator Gp" for more information.
Illustration 3 g06431908
Left side view of the engine
(1) Plug
Illustration 4 g06431918
Right side view of engine
(2) Test port
Remove plug (1) from the secondary fuel filter base. Refer to Illustration 3.
Install the appropriate fittings into the fuel filter base, and connect the pressure gauge.
Start the engine and run the engine until the engine operating temperature is reached. At low rpm (700 to 900 rpm), the fuel pressure must be 650 50 kPa (94 7 psi). At high rpm (1800 to 2000 rpm), the fuel pressure must be 705 50 kPa (102 7 psi).Note: The typical fuel pressure of the engine at operating temperature can vary.The performance of the unit injector deteriorates when the fuel pressure drops below 390 kPa (57 psi). low-power complaints and erratic operation can occur in this situation. Check for a plugged fuel filter or air in the fuel lines as possible causes for these complaints before replacing fuel system components.There are two available pressure regulator valves and there are two sets of pressures:
Equipped with 327-0376 Check Valve Gp. At cranking speed (100–135 rpm), The fuel pressure can be 500 kPa (72 psi). At low idle (700 to 900 rpm), the fuel pressure can be 500 to 700 kPa (72 to 101 psi). At high idle (1800 to 2000 rpm), the fuel pressure can be 600 to 900 kPa (87 to 131 psi).
Equipped with 228-7381 Check Valve Gp. At cranking speed (100–135 rpm), The fuel pressure can be 350 kPa (51 psi). At low idle (700 to 900 rpm), the fuel pressure can be 450 to 650 kPa (65 to 94 psi). At high idle (1800 to 2000 rpm), the fuel pressure can be 600 to 800 kPa (87 to 116 psi).Low Fuel Pressure
Low fuel pressure can cause low power. Low fuel pressure can also cause cavitation of the fuel which can damage the fuel injectors. The following conditions can cause low fuel pressure:
Plugged fuel filters
Debris in the check valves for the fuel priming pump
Debris in the fuel pressure regulator valve
Partially open check valve
Sticking or worn fuel pressure regulator valve in the fuel transfer pump
Worn gears in the fuel transfer pump
Debris in the fuel tank, fuel lines, or fuel system components that create restrictionsHigh Fuel Pressure
Excessive fuel pressure can cause fuel filter gaskets to rupture. The following conditions can cause high fuel pressure:
Plugged orifices in the fuel pressure regulator valve
Stuck fuel pressure regulator valve in the fuel transfer pump
Pinched fuel return line
Parts nut JOHNSON:
0203688
0203688 NUT
100ESL71A, 100ESL72R, 100ML79S, 10E77A, 115EL77S, 115ESL69E, 115ESL70D, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 115TXL77S, 125ESL71C, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML77S, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 15E77M,
0304753
0304753 NUT,Clevis
100ESL72R, 100ML79S, 115EL77S, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 115TXL77S, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML77S, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 175TL77S, 175TL78C, 175TL79R, 200TL76S, 200TL77C, 200TL78R,
0301472
0301472 NUT, Clevis to shaft
100ML79S, 10E75C, 10E76G, 10E77A, 10E78M, 115EL77S, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 115TXL77S, 135ESL73M, 135ESL74B, 135ESL75E, 140ML77S, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 15E75C, 15E76A, 15E77M, 15E78B, 175TL77S, 175TL78C
0316291
0316291 NUT,Stud retainer
100ML79S, 115ML79R, 140ML79R, 150TL78S, 150TL79C, 175TL77S, 175TL78C, 175TL79R, 200TL76S, 200TL77C, 200TL78R, 200TL79A, 235TL70A, 235TL78R, 50ES71S, 85ML79R, J100MLCSC, J100WMLCDR, J100WMLCOC, J100WMLCRS, J110MLCDC, J115MLCIH, J115MLCNB, J115MLCOS, J
0204046
0204046 NUT,Mounting screw
100ESL72R, 100ML79S, 10E74G, 10E75C, 10E76G, 10E77A, 10E78M, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 15E74G, 15E75C, 15E76A, 15E77M, 15E78B, 175TL77S, 1
0320746
0320746 NUT,Mount bracket
100ML79S, 115ETZ78C, 115ML79R, 115TXL77S, 140ML77S, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 175TL77S, 175TL78C, 175TL79R, 200TL76S, 200TL77C, 200TL78R, 200TL79A, 235TL70A, 235TL78R, 70EL78C, 70EL79R, 75ELR78C, 75ELR79R, 85ETLR78C, 85ML79R, 85TXLR77S,
0121470
0121470 NUT, Shift rod to lever
BJ10EEDD, BJ10FAEDC, BJ10FAEUR, BJ10FDLECM, BJ10FDLEDR, BJ10FDLEUA, BJ10RELEUS, BJ10RHLSDA, BJ10RHLSOR, BJ10RHLSRC, BJ10RHLSTS, BJ15EEDS, BJ15FAEDR, BJ15FAEUA, BJ15FDLECM, BJ15RELEUC, BJ20SEECB, BJ20SEEDA, BJ20SEEUM, BJ20SRECB, BJ20SREDA, BJ20SREUM,
0331429
0331429 NUT, Fast idle lever
CJ275TLCDC, CJ275TLCOS, CJ300TLCDC, CJ300TLCOS, D100WTLM, HJ55WMLM, HJ55WMLZ, J100STLCCA, J100STLCEM, J100STLESB, J100WMLCDR, J100WMLCOC, J100WTLCUA, J100WTLESM, J100WTLZ, J10EESC, J110MLCCA, J110MLCDC, J110MLCEM, J110MLCUR, J115MLCOS, J115MLESB, J12