1124735 CONTROL GP-DIODE BLOCK Caterpillar parts
30/30, 416C, 426C, 428C, 436C, 438C, 446B, 914G, 928G, 938G, AP-1055D, AP-655C, BG-2455D, BG-260D, DEUCE, IT14G, IT28G, IT38G
Rating:
Alternative (cross code) number:
CA1124735
112-4735
1124735
CA1124735
112-4735
1124735
Weight: 0.11 pounds 0 kg.
ASPHALT PAVER, WHEEL LOADER,
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Number on catalog scheme:
10
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Information:
3400 And 3400B Families Of EnginesSUPPLEMENT: 10/05/87SERVICE MAGAZINE; SEPTEMBER 14, 1987; PAGE 8; "New Piston Cooling Jets Used" in 3400 and 3400B Families of Engines.Refer to the illustration and change "Former" to "New", and "New" to "Former".--------------- END SUPPLEMENT ---------------Description of Change: New piston cooling jets with new mounting bolts are either used in or are available for the above families of engines. The new tube assembly consists of a one-piece tube brazed to a one-piece body, instead of a four-piece assembly. See Illustration 1. A different bolt is used that has a milled flat on the bolt for oil flow to the cavity inside the jet body.
Illustration 1. The former and new jets and mounting bolts.The former jet tube assembly has a tube with an insert, and this tube assembly is brazed to a body and block. The former bolt has two connecting oil passages to direct oil into the body cavity.
The new jet gives the same spray as the former jet, but provides a better value.
Adaptable To: The new 7W4990 Tube Assembly is a direct replacement for the former 4N9881 Tube Assembly which is canceled. Either the same 4N9916 Bolt can be reused, or the new 7C2478 Bolt can be used with the new tube assembly. The 5P8709 Piston Cooling Jet Alignment Tool Group can also be used with the new jets.
Use Of The 7W7496 Tube Assembly
As a reminder, the 7W7496 Tube Assembly was used on an in-and -out basis in these families of engines during December 1984. It is still available for service and can be installed in those engines listed in Column three in the NPR. These engines also have "U8" stamped in the block next to the engine serial number plate. "U8" is also marked on the cooling jet body on these engines. See Illustration 2.
The cooling jet alignment tool may not always give satisfactory results on the 7W7496 Tube Assemblies.
Illustration 2. Location of the "U8" marking.Put the mark "U8" on new 7W7496 Tube Assemblies obtained for parts service if the mark is not there.
If either the pistons or cooling jets are removed and reinstalled on these "U8" engines, always measure the clearance between the tube and the piston. Use a 0.635 mm (.025") wire.
Always measure the clearance between the tube and the piston on ALL 3400 and 3400B Families of engines.
Illustration 1. The former and new jets and mounting bolts.The former jet tube assembly has a tube with an insert, and this tube assembly is brazed to a body and block. The former bolt has two connecting oil passages to direct oil into the body cavity.
The new jet gives the same spray as the former jet, but provides a better value.
Adaptable To: The new 7W4990 Tube Assembly is a direct replacement for the former 4N9881 Tube Assembly which is canceled. Either the same 4N9916 Bolt can be reused, or the new 7C2478 Bolt can be used with the new tube assembly. The 5P8709 Piston Cooling Jet Alignment Tool Group can also be used with the new jets.
Use Of The 7W7496 Tube Assembly
As a reminder, the 7W7496 Tube Assembly was used on an in-and -out basis in these families of engines during December 1984. It is still available for service and can be installed in those engines listed in Column three in the NPR. These engines also have "U8" stamped in the block next to the engine serial number plate. "U8" is also marked on the cooling jet body on these engines. See Illustration 2.
The cooling jet alignment tool may not always give satisfactory results on the 7W7496 Tube Assemblies.
Illustration 2. Location of the "U8" marking.Put the mark "U8" on new 7W7496 Tube Assemblies obtained for parts service if the mark is not there.
If either the pistons or cooling jets are removed and reinstalled on these "U8" engines, always measure the clearance between the tube and the piston. Use a 0.635 mm (.025") wire.
Always measure the clearance between the tube and the piston on ALL 3400 and 3400B Families of engines.
Cat SIS web machinery list:
Parts control Caterpillar catalog:
910G, 938G, 938G II, 938H, 950G, 950G II, 962G, 962G II, 966G, 966G II, 972G, 972G II, 980G II, 980H, 986H, 994F, D6R, IT38G, IT38G II, IT38H, IT62G, IT62G II, IT62H
910E, 910G, 914G, 918F, 924F, 924G, 924GZ, 924H, 924HZ, 928F, 928G, 928HZ, 930G, 938F, 938G, 938G II, 938H, 950G, 950G II, 962G, 962G II, 966G, 966G II, 972G, 972G II, 980G II, 980H, 988F, 988F II, 99...
416C, 420D, 420E, 426C, 428C, 428D, 428E, 430D, 430E, 432D, 432E, 434E, 436C, 438C, 438D, 442D, 442E, 444E, 902, 906, 908, 910E, 914G, 918F, 924F, 924G, 924GZ, 924H, 924HZ, 928F, 928G, 928HZ, 930G, 93...
924G, 928G, 938G, 938G II, 938H, IT28G, IT38G, IT38G II, IT38H
938G, 938G II, 950G, 962G, 966G, 972G, 980G, IT38G, IT62G
120K, 12K, 12M, 140G, 140K, 140M, 140M 2, 14M, 160K, 160M, 160M 2, 16M, 2290, 2390, 2391, 2491, 24M, 2590, 345D L, 511, 521, 521B, 522, 522B, 525C, 532, 535C, 541, 541 2, 545C, 551, 552, 552 2, 583T, ...
1425125
CONTROL AS
938G, IT38G
938G, IT38G
2085831
CONTROL AS
924G, 924GZ, 928G, IT28G
924G, 924GZ, 928G, IT28G
2524503
CONTROL GP-UNPROGRAMMED
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H, 16H, 5110B, 621G, 623G, 627G, 631G, 637G, 657G, 725, 730, 735, 740, 769D, 771D, 773D, 773E, 775D, 775E, 776D, 777D, 950G, 962G, 966G, 972G, AD30, AD45B, A...
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H, 16H, 5110B, 621G, 623G, 627G, 631G, 637G, 657G, 725, 730, 735, 740, 769D, 771D, 773D, 773E, 775D, 775E, 776D, 777D, 950G, 962G, 966G, 972G, AD30, AD45B, A...
2870525
CONTROL GP-HANDLE
914G, IT14G, IT14G2
914G, IT14G, IT14G2
3781171
CONTROL GP-GRADE & SLOPE
AP-1000B, AP-1055B, AP-1055D, AP-600D, AP-655C, AP-655D, AP-900B, AP1000E, AP1055E, AP555E, BG-2455D, BG-245C, BG-260D, BG1000E, BG1055E, BG500E
AP-1000B, AP-1055B, AP-1055D, AP-600D, AP-655C, AP-655D, AP-900B, AP1000E, AP1055E, AP555E, BG-2455D, BG-245C, BG-260D, BG1000E, BG1055E, BG500E
1582964
CONTROL AS-ELECTRONIC
416C, 426C, 428C, 436C, 438C
416C, 426C, 428C, 436C, 438C
0897755
CONTROL-HEATER
RT100, RT50, TH62, TH63, TH82, TH83
RT100, RT50, TH62, TH63, TH82, TH83
1774247
CONTROL GP-HANDLE
TH103, TH62, TH63, TH82, TH83
TH103, TH62, TH63, TH82, TH83
1433904
CONTROL-HYDRAULIC HAND
TH62, TH63, TH82, TH83
TH62, TH63, TH82, TH83
1380168
CONTROL GP-BRAKE
TH103, TH62, TH63, TH82, TH83
TH103, TH62, TH63, TH82, TH83
3054, 3056, 312, 312B L, 416C, 426C, 428C, 436C, 438C, 554, 908, AP-800C, BG-225B, BG-225C, CB-534B, CB-534C, CB-535B, CP-433C, CS-431C, CS-433C, M312, M315, PF-290B, PS-200B, PS-300B, PS-360B, TH103,...
1643562
CONTROL
120H, 120H ES, 120H NA, 12H, 12H ES, 12H NA, 135H, 135H NA, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 16H NA, 65E, 75E, 85E, 95E, 988F II, 992C
120H, 120H ES, 120H NA, 12H, 12H ES, 12H NA, 135H, 135H NA, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 16H NA, 65E, 75E, 85E, 95E, 988F II, 992C
1438507
CONTROL GP-XMSN ELECTRONIC
416C, 426C, 436C
416C, 426C, 436C
426B, 426C, 436C, 438C
1586209
CONTROL GP-TRANSMISSION
416C, 426C, 428C, 436C, 438C
416C, 426C, 428C, 436C, 438C
416C, 426C, 428C, 436C, 438C
428C, 438C