Procedure for Installing the 450-6188 Solenoid Valve Gp and 450-3897 Wiring Harness on G3500 Petroleum Engines{5479} Caterpillar

Procedure for Installing the 450-6188 Solenoid Valve Gp and 450-3897 Wiring Harness on G3500 Petroleum Engines{5479}

Usage:

Engine:: G3508 (S/N: WPN1-UP); G3508B (S/N: RBK1-UP); G3512 (S/N: WPP1-UP; WPR1-UP; GNS1-UP); G3512B (S/N: JHH1-UP); G3516 (S/N: WPS1-UP; WPT1-UP; WPW1-UP); G3516B (S/N: JEF1-UP); G3520B (S/N: GLF1-UP)
Petroleum Engine:: G3520B PETROLEUM (S/N: TPC1-UP)

Introduction

This Special Instruction is used for installing the 450-6188 Solenoid Valve Gp . Do not perform any procedure in the article until you have read and understand the information.

Required Parts

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Table 1
Required Parts
Item	Qty	New Part Number	Part Description
1	1	450-6188	Solenoid Valve Gp
2	1	431-0056	Bracket
3	4	5P-0537	Hard Washer
4	2	4F-7957	Bolt
5	2	9S-8750	Nut
6	1	7L-7262	Flared Elbow
7	1	2N-1288	Elbow
8	1	450-3897	Wiring Harness ⁽¹⁾

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^( 1 )

The 450-3897 Wiring Harness is only needed on engines that already have a prelube solenoid installed. If the engine does not already have the 430-9948 Solenoid Valve Gp installed, then the 450-6188 Solenoid Valve Gp must be ordered. The 450-6188 Solenoid Valve Gp includes the correct harness from the factory.

Installation Procedure

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Illustration 1	g03525379
430-9948 Solenoid Valve Gp

Perform the following procedure for installation of the 450-6188 Solenoid Valve Gp .

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Illustration 2	g03344233
(1) 430-9948 Solenoid Valve Gp (2) 431-0056 Bracket (3) 5P-0537 Hard Washer (4) 4F-7957 Bolt (5) 9S-8750 Nut

Attach valve group (1) to bracket (2) using four washers (3), two bolts (4), and two nuts (5) .

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Illustration 3	g03344271
(6) 7L-7262 Flared Elbow (7) 2N-1288 Elbow

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Illustration 4	g03344284
(1) "IN" side of the valve

Connect elbow (6) to the valve port stamped "OUT". Connect elbow (7) to the valve port stamped "IN".

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Illustration 5	g03344289
(1) Prelube solenoid assembly (2) 278-0540 Bracket (3) Prelube supply line

Attach solenoid valve group (1) to bracket (2) using existing hardware.
Note: Ensure that the prelube solenoid is mounted horizontally and not vertically as shown in the pictures.
1. Connect the prelube supply line (3) .
1. Connect the electrical harness.