TURBOCHARGER GP 2768957 - Caterpillar

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Turn screws (2) counterclockwise and remove panel (1).
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Connect the communication adapter (B) to service tool connector (E1). Test Procedure - Piston Pump Neutral
Mechanical Adjustment
Perform the steps in the "Rear Pump" then continue to the following steps.
Start the engine. Warm the oil to a minimum temperature of 20 °C (68 °F).
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Use Cat Electronic Technician (ET) in order to initiate the transmission stall test. Select the "Diagnostics" option from the menu. Then, select "Diagnostic Tests" from the drop-down menu. Select "Transmission Stall" from the selection menu.
Set the engine speed to idle. Front Pump
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Bottom view
(5) Locknut
(6) Adjustment screw
Mark the initial position of adjustment screw (6) on the forward pump.
Loosen locknut (5) on adjustment screw (6).
Turn the adjustment screw clockwise until the left travel forward pressure increases by 200 kPa (30 psi). Mark this position.
Turn the adjustment screw back to the original position.
Turn the adjustment screw counter clockwise until the left travel backward pressure increases by 200 kPa (30 psi). Mark this position.
Position the set screw at the midpoint between the two positions that were marked in Step 3 and Step 5.
Maintain