COVER GP- 4789769 - Caterpillar

Table 1
Required Tools    
Tool     Part Number     Description     Qty    
A     198-4240     Digital Pressure Indicator     1    Refer to Testing and Adjusting, "Machine Preparation for Troubleshooting", before you start this procedure.
Turn the engine to the off position.
Illustration 1 g01010640
(1) Tooling (A) (2) Pressure tap (3) Adjustment screw for the gear pump (charge)
Install tooling (A) (1) to pressure tap (2) .
Illustration 2 g01126311
(4) Auger control switch
Start the engine. Run the engine at high idle.
Make sure that the auger is on. Turn on the auger by pushing the auger control switch (4) in the UP position.
Digital pressure indicator (1) should read 2750 40 kPa (400 6 psi).
If the charge pressure is below 2710 kPa (394 psi), turn adjustment screw (3) in a clockwise direction in order to increase the charge pressure. If the charge pressure is above 2790 kPa (406 psi), turn adjustment screw (3) in a counterclockwise direction in order to decrease the charge pressure.