PUMP GP-WATER 3522164 - Caterpillar

introduction
Some engines, in firepump applications, will sometimes experience a high water temperature alarm after engine shutdownThe installation of the 1041820 Wiring Kit and using this instruction will correct this situationINSTALLING THE 1041820 WIRING KIT (WHEN USING THE ORIGINAL 7W9609 HARNESS)
This portion of the instruction is to be used when* Installing the 1041820 Wiring Kit when the original 9Y1606 Harness Assembly (Engine) has been replaced and still using the 7W9609 Harness Assembly (Junction Box)Parts Removal
1 Locate the OPSI Identification Tag in the junction boxThis is the oil pressure switch that has three connector openings, two that have wires* The first wire is marked OPS1-1-ESS5* The second wire is marked OPS1-3-TS4 and* The third opening has a clear plastic plug inserted in the housing2 The clear plug must be removed before installation of the 1041820 Wiring KitUse a 6V3008 Insertion Tool to* Press the clear plug OUT of the housing from the INSIDE of the junction box outwardComplete the removal by* Grasping the clear plug, from the BACKSIDE of the junction box, with needle nose pliers and pull it the remainder of the way out* Discard the plug after removalParts Installation
The pin terminal end of the 1041820 Wiring Kit MUST be properly lubricated and installed with the correct toolIf the pin terminal end is not lubricated and installed with the correct tool, it cannot seat properly to ensure electrical connection
1 Lubricate the pin terminal end of the 1041820 Wiring Kit with 5N5561 Silicone LubricantUse the 6V3008 Insertion Tool to slide the pin terminal inside the connector opening, marked 3, until the pin terminal is seated in the connector opening2 Connect the other end of the 1041820 Wiring Kit to the strip screw marked NO 25Insert the spade terminal end, of the remaining wire, under the screw marked NO 25 and tighten the screw to secure3 Install new cable ties to neatly secure wiringExcessively ling wires should be coiled and secured with cable ties to adjacent clips and/or wiring4 Inspect the installation to ensure conformance with appropriate wiring diagramsReference Prints
Wiring Diagram: 7W9607Harness Assembly (Engine): 9Y1606Harness Assembly (Junction Box): 7W9609 or 6I1606Junction Box Group: 7W9608Wiring Changes
This portion of the instruction is to be used if:* The 7W9609 Harness Assembly (Junction Box) is replaced and the existing 9Y1606 Harness Assembly (Engine) is used.1. Locate, in the junction box, terminal screw marked NO. 11A.Loosen the NO. 11A terminal screw and REMOVE the wire labeled WTS2-TS11A.Tighten the NO. 11A terminal screw to secure the existing wire.2. Locate terminal marked NO. 25 and insert wire labeled WTS2-TS11A, removed in Step 1 and tighten screw to secure.3. Inspect the installation to ensure conformance with appropriate wiring diagrams.