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HOSE AS 3534546 - Caterpillar



3534546 HOSE AS Caterpillar parts HOSE
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Alternative (cross code) number:
CA3534546
353-4546
3534546
Caterpillar 3534546 HOSE AS

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Illustration 9 g03882766
Proportional reducing valves (negative flow control)
(27) Connector
(28) Connector
(29) Proportional reducing valve for "NFC2"
(30) Proportional reducing valve for "NFC1"
Disconnect connector (28) from proportional reducing valve (30).
Install multitach group (C1) on engine (21). This group is used to monitor engine speed. Idler Pump
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Note: Perform the test for the drive pump and the test for the idler pump one at a time.
Illustration 10 g03882728
Pump compartment
(8) Pressure tap (delivery pressure for idler pump)
(11) Delivery line for idler pump
(16) Pressure tap (delivery pressure for drive pump)
(23) Drive pump
(24) Idler pump
(50) Pressure tap (power shift pressure)
Position the machine on level ground.
Stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release".
Attach 311-1362 Vacuum Cap onto the hydraulic tank. Attach an air supply hose onto the assembly. Apply 276 to 414 kPa (40 to 60 psi). This procedure will pull a vacuum on the hydraulic system.
Install the following tools in accordance with the flow meter tool layout and the circuit diagram. Refer to Illustration 5 and Illustration 6.
Disconnect delivery line (11) from idler pump (24).
Install seal (D15), half flanges (D13), and blocking cover (D16) to the end of delivery line (11) by using bolts (D11) and washers (D12).
Assemble and install seal (D15), adapter (D14), seals (D4), fitting (D10) and nipple assembly (D5) on idler pump (24) by using seal (D21), plug (D22), half flanges (D13), bolts (D11) and washers (D12).
Illustration 11 g03413180
Swing motor (top view)
(1) Swing motor
(2) Connector
(3) Tee
(4) Makeup line
(40) Elbow
Disconnect makeup line (4) from connector (2) at swing motor (1).
Assemble and install seals (D18), tee (D20), swivel elbow (D19) and coupling (D17) to connector (2) at swing motor (1).
Install seal (D18) and makeup line (4) to tee (D20).
Remove 311-1362 Vacuum Cap and install the filler plug for the hydraulic tank.
Connect portable hydraulic tester (D1) and the test hoses between nipple assembly (D5) at drive pump (23) and coupling (D17) at the swing motor.
Connect 3447 kPa (500 psi) pressure sensor to pressure tap (50) for power shift pressure. Connect 41368 kPa (6000 psi) pressure sensor to pressure tap (8) for the delivery pressure of the idler pump.
Illustration 12 g03882766
Proportional reducing valves (negative flow control)
(27) Connector
(28) Connector
(29) Proportional reducing valve for "NFC2"
(30) Proportional reducing valve for "NFC1"
Disconnect connector (27) from proportional reducing valve (29).
Install multitach group (C1) on engine (21). This group is used to monitor engine speed. Test Procedure
Note: Perform the test for the drive pump and the test for the idler pump one at a time.
To prevent personal injury or equipment damage from failure of the hydraulic test equipment or associated circuit components because of


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