FAN-BLOWER 1128243 - Caterpillar

Note: A New specification is the performance that can be expected for a new machine. A Rebuild specification is the performance that can be expected after rebuilding the components of a system. Performance beyond the Service Limit is an indication of these problems: improper maintenance or adjustment, component wear and failure.
Table 2
Corresponding Engine RPM and Torque Output for Each Engine Speed Dial Position (No Load Condition)
Engine Speed Dial Position High Hydraulic Power Mode Economy Mode
Engine RPM Torque Output (%) Engine RPM Torque Output (%)
1 950 20.0 950 20.0
2 1080 35.0 1080 35.0
3 1160 47.0 1160 47.0
4 1230 55.0 1230 55.0
5 1310 61.0 1310 61.0
6 1420 68.0 1390 68.0
7 1510 76.0 1470 74.0
8 1580 82.0 1520 79.0
9 1640 91.0 1560 81.0
10 1700 100.0 1600 83.0 Introduction
The following test is used to measure engine speed at the flywheel housing.Required Tools
Illustration 1 g02535237
Tooling (C)
348-5430 Multi-Tool Gp
Table 3
Tooling Item Part
Number Description QTY
C 348-5430 Multi-Tool Gp
C1 285-0908 Multi-Tool 1
C2 6V-2198 Cable As 1
C3 9U-5140 Photo Pickup 1
C4 6V-3137 Base 1
C5 1U-6605 Reflective Tape 1
C6 6V-3138 Extension 1 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) on the engine. Test Procedure
Start the engine.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Read the engine speed display (rpm) on the multi-tool. Refer to Table 1 for the specifications for engine speed at the desired engine operation.