- On-Highway Engine:
- C13 (S/N: LEE1-UP)
- C15 (S/N: SDP1-UP)
Introduction
Do not perform any procedure in this Special Instruction until you read this information and you understand this information.
New Purge Pump and Service Pack
A new purge pump and a new service pack are now used. The new pump and a new service pack now have a larger inlet and outlet ports. The new purge pump and the new service pack require additional parts. The additional parts are used to connect the pump and the pack to existing lines and connections.
Illustration 1 | g01432347 |
New Purge Pump and Service Pack (1) Inlet Port (9/16 - 18 inch) (2) Outlet Port (7/16 - 20 inch) |
Illustration 2 | g01432346 |
Old Purge Pump and Service Pack (3) Inlet Port (1/4 - 18inch) (4) Outlet Port (1/8 - 27 inch) |
The new purge pump requires a new electrical connector as well as a new inlet elbow and a new outlet elbow. The new service pack only requires a new inlet elbow and a new outlet elbow.
The new parts that are required for the new purge pump and the service pack are listed in Table 1, Table 2, and Table 3.
Required Parts for the 297-7223 Air Pump Gp     | |
Sales Model     | Part Number     |
C13 and C15     | 304-9992 Air Pump Gp     |
C13 and C15     | 311-3502 Power Harness As     |
C13 and C15     | 4R-8686 Flared Elbow     |
C13S/N:LEE1-1974     | 6V-1355 Elbow     |
C13 and C15     | 6V-5048 O-Ring Seal     |
C13 and C15     | 6V-5049 O-Ring Seal     |
C13     | 5P-4924 Elbow     |
C15     | 030-7947 Elbow     |
Note: Install the updated fitting before installing the pump on the bracket.
Note: C13 engines with a serial number that is less than S/N:LEE1974-UP will use a 6V-1355 Elbow instead of using a 4R-8686 Flared Elbow .
Required Parts for the 260-6800 Air Pump Gp     | |
Sales Model     | Part Number     |
C13 and C15     | 304-9994 Air Pump Gp     |
C13 and C15     | 4R-8686 Flared Elbow     |
C13S/N:LEE1-1974     | 6V-1355 Elbow     |
C13 and C15     | 6V-5048 O-Ring Seal     |
C13 and C15     | 6V-5049 O-Ring Seal     |
C13     | 5P-4924 Elbow     |
C15     | 030-7947 Elbow     |
Note: C13 engines with a serial number that is less than S/N:LEE1974-UP will use a 6V-1355 Elbow instead of using a 4R-8686 Flared Elbow .
Required Parts for the 301-2326 Air Pump Gp     | |
Sales Model     | Part Number     |
C13 and C15     | 304-9993 Air Pump Gp     |
C13 and C15     | 6V-5048 O-Ring Seal     |
C13S/N:LEE1-1974     | 6V-5049 O-Ring Seal     |
C13 and C15     | 4R-8686 Flared Elbow     |
C13S/N:LEE1-1974     | 6V-1355 Elbow     |
C13 and C15     | 311-3502 Power Harness As     |
C13     | 5P-4924 Elbow     |
C15     | 030-7947 Elbow     |
Note: C13 engines with a serial number that is less than S/N:LEE1974-UP will use a 6V-1355 Elbow instead of using a 4R-8686 Flared Elbow .