GEAR (20T.) 3K2230 - Caterpillar

Engine3508B (S/N: S2A1-198; S2B1-857; S2D1-269; S2E1-824; 3DM1-543; 3DW1-191)3512B (S/N: ED21-126; ED31-121; E5D1-101; S2G1-425; S2H1-711; S2J1-765; S2K1-372; S2L1-968; S2M1-198; 8EM1-561; S2N1-121; 1PW1-455)3512C (S/N: ED41-1; TTC1-432; ELG1-101; MKH1-292; SLM1-712; MXN1-216; MXP1-236; E3Y1-454; T3Y1-1)3516B (S/N: EDH1-101; CBN1-498; 9AN1-411; S2P1-265; S2R1-865; S2S1-475; S2T1-111; S2W1-150; 2FW1-423; S2X1-1573; S2Y1-116; S2Z1-440)3516C (S/N: PAG1-423; TTH1-890; TTJ1-351; EDK1-106; JTS1-551; MXT1-216; TTY1-115)Petroleum Engine3512C PETROLEUM (S/N: LLB1-164)3516C PETROLEUM (S/N: PES1-1312)Description Of Change: The new switch improves detection of a gate closure with the Air Shut Off Valve.Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.The new 518-6014 Position Sensor and Mounting Gp replaces the former contact switch.Table 1 contains the required parts in the 518-6014 Position Sensor and Mounting Gp.
Table 1
Quantity New Part Number New Part Name
4 0T-0573 Bolt
4 108-9656 Cable Strap
6 126-1768 Connector Socket
4 198-4766 Hard Washer
4 283-0056 Connector Adapter
2 297-5484 Connector Plug As
2 2L-8075 Ring Terminal
1 346-6809 Heat Insulation
1 518-6001 Target
1 518-6002 Target
1 518-6008 Bracket
1 518-6009 Bracket
2 526-0318 Position Sensor Gp
2 5F-0304 Plug
10 6A-3361 Electrical Wire
1 6V-2721 Heat Shrink Tube
4 6V-9186 Setscrew
10 9X-2506 Heat Shrink Tube
4 9X-6772 Cable Strap Reference: For the installation of the new contact switch refer to Special Instruction, M0088137, "Installation Procedure for the Position Sensor Kit (Gate Position) on Certain 3500 Engines".