GEAR (40 teeth) 7N6612 - Caterpillar

Engine3512E (S/N: SK31-UP; SK51-UP)PumperSPF743 (S/N: MLX1-UP)Introduction
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.The following Special Instruction covers updating the current fuel pump to the 521-5433 Fuel Pump Gp.Required Parts
Table 6 below contains the parts that are required to complete this Special Instruction.There are four different groups of engines for this change.
Group 1 listed in Table 1 receives updates to the Product Link system and the high-pressure fuel pump system.
Group 2 listed in Table 2 receives updates to the engine and Product Link software and Product Link wiring harness installation.
Group 3 listed in Table 3 receives updates to the Product Link system and the high-pressure fuel pump bracket.
Group 4 listed in Table 4 receives updates to the Product Link system and the high-pressure fuel pump.
Table 1
Group 1
Sales Model Serial Number Range
3512 S/N:SK300103
S/N:SK300107
S/N:SK300110
S/N:SK500107
Table 2
Group 2
Sales Model Serial Number Range
3512 S/N:SK300104
S/N:SK300108
SPF743 S/N:MLX00101
S/N:MLX00107
Table 3
Group 3
Sales Model Serial Number Range
SPF743 S/N:MLX00106
Table 4
Group 4
Sales Model Serial Number Range
3512 S/N:SK300102
Table 5
Group 1
Qty Part Number Part Name
2 0L-1351 Bolt
1 0S-1594 Bolt
2 0S-1625 Bolt
1 114-9224 Spacer
1 122-2222 Adapter
1 124-1969 Permanent Coupling
1 124-1971 Permanent Coupling
1 145-8833 Adapter Union
1 147-1694 Permanent Coupling
1 147-1706 Permanent Coupling
1 1A-2029 Bolt
2 1P-2841 Spacer
400 213-8706 Hydraulic Hose
1 214-7566 O-Ring Seal
7 228-7089 O-Ring Seal
11 228-7091 O-Ring Seal
1 228-7101 O-Ring Seal
1 235-5080 O-Ring Seal
4 238-5080 O-Ring Seal
5 238-5081 O-Ring Seal
2 238-5084 O-Ring Seal
1 259-4598 O-Ring Seal
2 2S-7593 Hard Washer