BLOCK 1869409 - Caterpillar

Assemble components as shown.Note: Apply thin layer of oil to the male thread of sensor (19) and tighten to a torque of 64 3 N m (47 2 lb ft), using a 6 or 12 point 1-1/16 deep socket.
Illustration 4 g06253109
Front of main control valve.
(3) 3J-1907 O-Ring Seal
(15) 164-5546 Tee As
(16) 203-3470 Connector, port "P2S"
(17) 223-7048 Hose As, port "P" to "P2S"
(21) 514-7723 Solenoid and Pressure Reducing Valve Gp
(25) 524-0912 Solenoid Valve and Mounting Gp
Install connector and hose as shown.
Illustration 5 g06253485
Front of manifold
(5) 4I-9522 Marker Band YELLOW
(6) 5I-4387 Hose As, port "T" to "RTN PIPE"
(7) 7K-1181 Cable Strap
(17) 223-7048 Hose As, port "P" to "P2S"
(18) 317-4767 Hose As, port "T" to "TANK"
(20) 423-2148 Hose As, port "P" to "Pi2"
(27) 525-3637 Hose As, port "T" to "bST"
Install connectors and hoses as shown.
Illustration 6 g06248329
Rear bottom of manifold
(6) 5I-4387 Hose As, port "T" to "RTN PIPE"
(12) 148-8336 Connector As, ports "A", "RTN PIPE", and "B"
Install connector and hose as shown.
Illustration 7 g06362878
Left top side of manifold
(5) 4I-9522 Marker Band YELLOW
(14) 153-6249 Connector As, port "bST"
(18) 317-4767 Hose As, port "T" to "TANK"
(20) 423-2148 Hose As, port "P" to "Pi2"
Install connector and hose as shown.
Illustration 8 g06254011
Rear of hydraulic tank
(5) 4I-9522 Marker Band YELLOW
(18) 317-4767 Hose As, port "T" to "TANK"
Install hose as shown.
Illustration 9 g06248331
(4) 4I-9521 Marker Band RED
(5) 4I-9522 Marker Band YELLOW
(7) 7K-1181 Cable Strap
(22) 516-8475 Hose As
(23) 517-8382 Hose As
(28) 165-4934 Plug As MFG PURPOSE ONLYNote: Components (28) are "Manufacturing Purpose Only" components.
Install hoses as shown.
Unless specified, tighten all fittings and hardware to standard torque.
Illustration 10 g00687600
Check for leaks.