SEAL-O-RING 5P2235 - Caterpillar

Truck Engine: C15 (S/N: BXS1-UP; MXS1-UP; NXS1-UP)Introduction
This special instruction explains the installation of a secondary crankcase breather kit for the above listed engines. Do not begin the installation until you have read the information that is contained in this instruction.Required Parts
There are four different secondary crankcase breather kits that are available for the above listed engines. The part numbers for the kits are specific to the engine arrangement for a engine serial number. The part numbers for the engines are listed below:
292-4302 Breather Kit for arrangements with a front sump engine oil pan and a middle mounted fuel filter
292-4303 Breather Kit for arrangements with a rear sump engine oil pan and a middle mounted fuel filter
292-8393 Breather Kit for arrangements with a front sump engine oil pan and a high mounted fuel filter
292-8394 Breather Kit for arrangements with a rear sump engine oil pan and a high mounted fuel filterNote: A 293-7545 Breather Kit is needed for S/N:MXS and ; S/N:NXS for attaching the disposal hose to the secondary breather. The 293-7545 Breather Kit is not required for the S/N:BXS serial number prefix.Service Parts
Table 1
Service Parts    
Part Number     Part Name     Quantity    
308-9305     Breather Filter     1    
5H-6734     O-Ring Seal     1    
322-2816     Wear Pad     1    
Illustration 1 g01483873
(1) Canister (2) 322-2816 Pad (3) 308-9305 Breather Filter The 322-2816 Pad sits in the bottom of the canister below the 308-9305 Breather Filter in order to prevent wear of the canister from the element. The 322-2816 Pad should be located squarely in the bottom of the canister with the hole in the center in line with the outlet in the bottom of the