CORE AS 2908205 - Caterpillar

Steering Service Ports
Illustration 3 g03677558
Pressure taps located under the center platform door behind the cab. View from right -hand side of machine.
(T5) Implement pump and valve pilot pressure
(T6) Fan pump discharge pressure
(T7) Fan pump case drain pressure
(T11) Steering pump discharge pressure
(T13) Steering pilot pressure
(T14) Steering pump case drain pressure
(T20) Service brake pump case drain pressure Service Brake Ports
Illustration 4 g03679100
The service brake pressure taps are located under the cab, on the engine end frame. The taps are to the right of the upper articulated hitch.
(T16) Front service brake pressure tap
(T17) Rear service brake pressure tap
Illustration 5 g03679109
The brake accumulator pressure taps are located below the brake accumulators. The accumulators are secured to a plate in front of the implement oil tank. The tank is under the platform, on the right-hand side of the machine.
(T18) Front service brake accumulator pressure tap
(T19) Rear service brake accumulator pressure tap
Illustration 6 g03677559
Pressure taps located under the center platform door behind the cab. View from left-hand side of machine.
(T1) Implement pump forward discharge pressure
(T2) Implement pump rear discharge pressure
(T4) Implement rear case drain pressure
(T5) Implement pump and valve pilot pressure
(T6) Fan pump discharge pressure
(T11) Steering discharge pressure
(T12) Steering pump load sense pressure
(T14) Steering pump case drain pressure
(T20) Service brake pump case drain pressure Power Train Service Ports
Transmission Service Ports
Illustration 7 g03679283
Pressure taps located under the center platform door behind the cab. View from rear of machine.
(T25) P1 (speed clutch) pressure tap
(T26) P2 (directional clutch) pressure port
(T27) Pressure port (under the cover on the hydraulic control valve)
(T28) Transmission supply port
(T29) Torque converter pressure port Torque Converter, Lock Up Clutch, Impeller Clutch
Illustration 8 g03677972
Remote pressure taps for the lockup clutch and the impeller clutch are located next to the steering primary pilot pressure tap. These taps are under the platform center access panel, behind the cab.
(T13) Steering primary pilot pressure tap
(T21) Lockup clutch pressure tap
(T22) Impeller clutch pressure tap Transmission Pump and SOS Service Ports
Illustration 9 g03679256
The power train pump oil pressure tap and the transmission SOS tap are located under the platform on the left-hand side of the machine. An access door in the platform is located behind the cab.
(T23) Power train pump oil pressure tap
(T24) Transmission SOS tap SOS Ports
Illustration 10 g03677557
Steering S.O.S sampling tap (T9) is located behind the left, rear tire on the inside of the frame rail. The pressure tap is part of the hydraulic oil cooler return line.
(T9) Steering SOS tap
Illustration 11 g03679940
Implement and Fan S.O.S sampling tap (T15) is located behind the right, rear tire on the inside of the frame rail. The pressure tap is part of the hydraulic oil cooler return line.
(T15) Implement and Fan SOS tap
Illustration 12 g03679256
The power train pump oil pressure tap and the transmission SOS tap are located under the platform on the left-hand side of the machine. An access door in the platform is located behind the cab.
(T23) Power train pump oil pressure tap
(T24) Transmission SOS tap