MANIFOLD 2433413 - Caterpillar

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Pump compartment (1) Pressure tap (delivery pressure for drive pump) (2) Pressure tap (delivery pressure for idler pump) (3) Pressure tap (power shift pressure)
Attach a 60000 kPa (8700 psi) pressure gauge to pressure tap (1) .
Start the engine.
Place the machine controls at the following settings: engine speed dial "10" and AEC switch OFF. Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Illustration 2 g01267081
Set heavy lift switch (A) to the ON setting. Make sure that the indicator light is on.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Raise the boom until the boom cylinder rods are at full extension.
Check the pressure setting of the heavy lift at pressure tap (1) .
Return the joystick for the boom to the NEUTRAL position.
Illustration 3 g01186845
(4) Main relief valve (5) Locknut for the heavy lift (6) Adjustment screw for the heavy lift (7) Locknut for