VALVE GP- 4Z8151 - Caterpillar

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
The current 440-0257 Pressure Switch Gp has been found to falsely indicate by-pass on 730C and 730C Ejector Articulated Trucks.Required Parts
Table 1
Required Parts    
Item    Qty    Part Number    Description    
1     1     341-6644     Pressure Switch    Solution
Illustration 1 g03816213
(1) 341-6644 Pressure Switch
Illustration 2 g03816214
440-0257 Pressure Switch Gp Use 341-6644 Pressure Switch in place of the current 440-0257 Pressure Switch Gp .The 341-6644 Pressure Switch is not effected by the magnetism present in the filter mounting bracket.