BEARING-ROLLER 1102464 - Caterpillar

Introduction
The following procedure to calibrate the engine cooling fan speed.Required Tools
Illustration 1 g02535237
Tooling (C)
Table 1
Tooling Item Qty Part
Number Description
C 348-5430 Multi-Tool Gp
C1 1 285-0908 Multi-Tool
C2 1 6V-2198 Cable As
C3 1 9U-5140 Photo Pickup
C4 1 6V-3137 Base
C5 1 1U-6605 Reflective Tape
C6 1 6V-3138 Extension Reference: Refer to Tool Operating Manual, NEHS1087 for operating instructions for the 348-5430 Multi-Tool Gp.Note: Use Software License Card, NETG5049 with part number 348-5430 Multi-Tool Gp.Machine Preparation
Position the machine on level ground.
Stop the engine.
Install tooling (C) onto the fan to monitor the fan speed. Calibration Procedure
Monitor Procedure
Start the engine.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Place the machine controls at the following settings:
Engine speed dial "10"
AEC switch OFFRefer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Enter the "Service" menu.
Enter password "9992".
Select "Calibrations" menu.
Select "Engine Cooling Fan Minimum Speed".
Set fan speed to 300 20 rpm.
Select "Engine Cooling Fan Maximum Speed".
Set fan speed to 1095 20 rpm
Table 2
Cooling Fan (rpm)
Minimum 300 20 rpm
Maximum 1095 20 rpm Reverse Fan (if equipped)
Start the engine.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Place the machine controls at the following settings:
Engine speed dial "10"
AEC switch OFF
Hydraulic lever in Locked position
Air Conditioning switch OffRefer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Enter the "Reverse Fan Setting" menu.
Enter password "9992".
Illustration 2 g03646206
Follow the instructions in the monitor.
Ensure that the reverse fan performs the following procedure:
The engine and fan speed decrease.
After 20 seconds, the fan reverses.
After 1 minute, the engine and reverse fan speed return to max speed. Ensure that the reverse fan speed is 1095 50 rpm.
After 1 minutes, the engine and reverse fan speed decrease.
After an additional 20 seconds, the fan returns to normal rotation.
The test is finished after a total of approximately 1 minutes.