HOSE AS 8W4905 - Caterpillar

Note: To perform this test and adjust, the brakes must be disconnected, or the machine must be placed on jack stands.
Drive the machine to a smooth, horizontal surface.
Illustration 1 g06144094
Move propel lever (1) to the NEUTRAL position.
Move parking brake switch (2) to the ON position.
Place the engine in ECO mode or low idle.
Illustration 2 g06148038
Select "Main Menu" (3) on the machine display.
Select "Machine Setup" (4).
Illustration 3 g06148261
Select "Engine Spd Sw" (5).
Illustration 4 g06148286
Select "ECO" (6) or "Low" (7).
Illustration 5 g06144108
Move engine start switch (8) to the OFF position.
Illustration 6 g03126997
Apply Tool (G) on the NPT side of each Tool (A). Install one Tool (A) in each side of Tool (B).
Assemble Tool (C) and Tool (D). Connect one Tool (D) to each Tool (A) on Tool (B).
Assemble Tool (E) and Tool (F). Make two sets of this tool assembly. Connect Tool (E) from one of tool assemblies to Tool (C) on each side of the flowmeter.
Illustration 7 g06156034
Disconnect brake supply hose assembly (9) at the two propel motors. Use Tool (K) to cap the brake inlet port in the propel motors. Use Tool (L) to plug the brake supply hose assembly.
Illustration 8 g06156679
Loosen clamp (11). Remove hose (10) from adapter (12). Remove adapter (12) from adapter (13). Leave adapter (13) in the propel motor.
Reconnect hose (10) to adapter (12). Tighten clamp (11) on the hose and the adapter.
Install Tool (H) in adapter (13).
Install Tool (E) from inlet side of Tool (B) onto Tool (H).
Install Tool (J) onto adapter (12).
Install Tool (E) from outlet side of Tool (B) onto Tool (J).
Move engine start switch (8) to the START position. Release the switch when the engine starts.
Operate the hydraulic system until the oil temperature reaches the test temperature of 45 °C (113 °F).
Place the engine in ECO mode or low idle.
Move parking brake switch (2) to the OFF position.
Illustration 9 g06144999
Use speed control switches (14) to set the propel speed to 50 percent.Note: Two things indicate when the propel speed is set to 50 percent. First, "Speed Control % 50" will appear on the display. Second, four LEDs next to speed control switches (14) will be illuminated.
Modulate propel lever (1) forward until flow is registered. (approximately one half of the total travel). Read flow on Tool (B). The flow should be 3.5 L/min (0.7 US gpm) to 10 L/min (2.6 US gpm).Note: Motor case drain flow cannot be adjusted. If the case drain flow is greater than 9 L/min (2.3 US gpm), determine the source of excess leakage and repair. If the flow is less than 3.5 L/min (0.9 US gpm), inspect the flushing valve and orifices.
Move propel lever (1) to the NEUTRAL position.
Move parking brake switch (2) to the ON position.
Place the engine in ECO mode or low idle.
Move engine start switch (8) to the OFF position.
Perform Step 10 through Step 13 in reverse order to remove the tooling, and reconnect the case drain line to the propel motor.
If necessary, repeat this test for the other propel motor.
Remove Tool (L) from brake supply hose assembly (9) at the drum