PUMP 0027224 - Caterpillar

Do not connect or disconnect hose fittings to or from the quick disconnect nipples when there is pressure in the system. This will prevent damage to the seals that are in the fitting.
Locations of the Pressure Taps for the Implement Section
Illustration 1 g02946976
The pressure taps are located behind an access door on the right fender of the operator station. (CP) Pilot supply pressure (HA) Discharge pressure of the Implement pump (SOS) Implement hydraulics (Scheduled oil sampling) (CPG) Accumulator pressure (HB) Signal pressure for the Implement pump at the compensator valve Location of the Pressure taps for the Steering Section
Illustration 2 g02352685
The pressure tap is located behind an access door on the left fender of the operator station. (H) Pressure tap for the steering charge filter
Illustration 3 g02061913
The pressure taps are located on top of the steering motor. (HC) Pressure tap for the steering motor (HD) Pressure tap for the steering motor