KIT-RING 1647572 - Caterpillar

Engine:
3508B (S/N: S2D1-UP; 3DM1-UP; 7SM1-UP; 1TW1-UP)
3512B (S/N: S2J1-UP; S2L1-UP; 8EM1-UP; 4TN1-UP; 1PW1-UP; 2GW1-UP; 2EZ1-UP)
3516B (S/N: 8KN1-UP; 9AN1-UP; S2S1-UP; 4BW1-UP; S2X1-UP)
Generator Set:
3512B (S/N: 1GZ1-UP)
3516B (S/N: 1HZ1-UP)
Engine News, SEBD9336, 1 August 2004, "New Tubes for Plate Type Heat Exchangers that are Designed To Order (DTO)". Disregard the article. Refer to the following information.Description of Change: New tubes and a new bracket are used for all 3500B Engines that use a plate type heat exchanger. The new tubes have a larger bend radius and the new bracket is stronger. The new tubes also provide an optimal direction of flow to the heat exchanger.Adaptable To:
Illustration 1 g01092221
Former layout of the tubes and the tube assemblies
Illustration 2 g01663817
New layout of the tubes and the tube assemblies (1) 253-6238 Tube (2) 253-6236 Tube As (3) 253-6239 Tube (4) 253-6233 Tube As The 141-0061 Water Lines Gp has been updated.The new 253-6235 Bracket must be used when a new tube assembly is installed.If any of the former tubes or the tube assemblies that are listed in Table 1 need to be replaced, replace all of the former tubes and the tube assemblies with the new parts.All of the former tubes have been cancelled and replaced by the new tubes.
Table 1
Former Part Numbers and New Part Numbers    
Former Part Number     Description     New Part Number     Description    
149-2143     Tube As     253-6236     Tube As    
141-1524     Tube     253-6238     Tube    
149-2201     Tube As     253-6233     Tube As    
140-9879     Tube     253-6239     Tube    
210-1200     Bracket As     253-6235     Bracket    
212-4684     Spacer    Serial number effectivity is listed in Table 2.
Table 2
Serial Number Effectivity    
S/N:3DM00495    
S/N:7SM00796    
S/N:1TW00343    
S/N:S2D00102    
S/N:4TN00755    
S/N:1PW00413    
S/N:2EZ00337    
S/N:8EM00433    
S/N:2GW00393    
S/N:S2L00182    
S/N:S2J00131    
S/N:4BW00544    
S/N:8KN00573    
S/N:S2X00169    
S/N:S2S00136    
S/N:1HZ02571    
S/N:9AN00375    
S/N:1GZ02095