CHANNEL AS 4P4329 - Caterpillar

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Remove plug (5), backup bolt (5A), and set screw (6).
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Push the harness assembly into the cylinder assembly. Use tooling (E) to remove sensor assembly (7) from the steering cylinder assembly. Take care not to damage sensor assembly (7). Remove sensor assembly (7).
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Remove sensor assembly (7).
Remove O-ring seal (9) and backup ring (8) from sensor assembly (7).Hydraulic Cylinder Sensor Installation Procedure
Table 4
Required Tools
Tool Part Number Part Description Qty
F 476-3486 Installation Tool 1
G - Loctite 515 -
H 448-0725 Bore Scope 1
J - Parker O-lube - Note: The Illustrations that are shown in the following Steps demonstrate the correct installation procedure for the sensor assembly. These Illustrations may not represent the exact cylinder that is on your machine.
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Lubricate backup ring (8) and O-ring seal (9) with the lubricant that is being sealed. Install backup ring (8) and O-ring seal (9) on sensor assembly (7). Install sensor assembly (7) to Tooling (F).
Route suitable fishing cable through the sensor hole in the cylinder body and attach the wires (10). Guide Tooling (F) and sensor assembly (7) into the cylinder body.
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Use Tooling (F) to install the sensor assembly into the counterbore until the sensor assembly rests against the face of the counterbore. Only use hand pressure or if necessary a suitable rubber mallet with low pressure to push the sensor into the groove.
Ensure that the sensor is in the correct position with Tooling (H). A red stripe will be visible through the Set Screw Hole (X) when the sensor is correctly positioned.
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Apply Tooling (C) to set screw (6) and tighten set screw (6) to a torque of 3.3 0.7 N m (29.2 6.2 lb in).
Apply Tooling (C) to backup bolt (5A) and install. Tighten backup bolt (5A) to a torque of 7 1 N m (62 9 lb in).
Install plug (5) and tighten to a torque of 26 3 N m (230 27 lb in).
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Lubricate the wires with Tooling (J) before pulled through the grommet (3), then pull the wires through the grommet (3). Install grommet (3). Clean the wires thoroughly.
Apply Tooling (G) to the mating surface of plate (4) and install plate (4).
Install sleeve (2) over the wires.
Install Plug (12), White wire (14), Red wire (11), and Black wire (13) into connector (1). Install connector assembly (1).
If the hydraulic cylinder sensor is replaced, refer to Test and Adjust, "Position Sensor (Steering Cylinder) - Set" for the setup procedure for the new hydraulic cylinder sensor.