COVER 1P9658 - Caterpillar

Table 1
Sales Model     Prefix/Serial Number    
IT62H     S/N:M5G1-235    
950H     S/N:K5K1-620    
950H     S/N:N1A1-455    
I950H     S/N:M1G1-500    
950H     S/N:J5J1-271    
962H     S/N:K6K1-197    
962H     S/N:N4A1-243    
962H     S/N:M3G1-221    
962H     S/N:J6J1-173    
966H     S/N:A6D1-454    
966H     S/N:A6G1-702    
966H     S/N:A6J1-173    
972H     S/N:A7D1-269    
972H     S/N:A7G1-319    
972H     S/N:A7J1-175    The new 282-4349 Pressure Reducing Valve is effective with the machines that are listed in Table 2.
Table 2
Sales Model     Prefix/Serial Number    
IT62H     S/N:M5G236-UP    
950H     S/N:K5K621-UP    
950H     S/N:N1A456-UP    
I950H     S/N:M1G501-UP    
950H     S/N:J5J272-UP    
962H     S/N:K6K198-UP    
962H     S/N:N4A244-UP    
962H     S/N:M3G222-UP    
962H     S/N:J6J174-UP    
966H     S/N:A6D455-UP    
966H     S/N:A6G703-UP    
966H     S/N:A6J174-UP    
972H     S/N:A7D270-UP    
972H     S/N:A7G320-UP    
972H     S/N:A7J176-UP    Rework Procedure
Illustration 1 g01326668
Typical main control valve (1) Pressure reducing valve
Remove the existing 235-6163 Pressure Reducing Valve .
Turn off the ground level disconnect switch that is located at ground level on the rear of the machine.
Cold crank the engine for a few seconds in order to flush trapped debris out of the valve body.
Install the new 282-4349 Pressure Reducing Valve .