ENGINE AR 2961058 - Caterpillar

Note: Performance beyond the service limit is an indication of 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)
Machine 330 GC 330 330
Power Mode Power Power ECO
Output RPM Torque % RPM Torque % RPM Torque %
Engine Speed Dial 1 950 36.8 950 39.8 950 36.8
2 1050 50.0 1050 49.5 1050 50.0
3 1150 60.9 1200 60.0 1150 60.9
4 1350 77.8 1450 76.2 1300 74.0
5 1550 90.3 1650 91.0 1400 87.5
6 1650 95.5 1800 95.8 1500 90.4
7 1750 100.0 1900 100.0 1550 96.0 Introduction
The following test is used to measure engine speed at the flywheel housing.Required Tools
Illustration 1 g02535237
Tooling (C)
Illustration 2 g03261789
Table 3
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
D 2 418–3611 Track Block 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.
Illustration 3 g06208095
Sprocket (left travel)
(D) Track block
(1) Sprocket
Place track block (D) in the left travel (1) sprocket to block left forward travel. Place track block (D) in the right travel sprocket to block right forward travel.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.Travel Procedure
Use the following procedure to check the desired engine speed for travel operation.
Start the engine.
Place the hydraulic activation control lever in the UNLOCK position.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Place the machine controls at the following settings: engine speed dial 7 and AEC switch OFF.
Place the travel speed control switch in HIGH position.
Move either travel lever to the full forward travel position and read the engine speed display (rpm) on the multi-tool. Refer to Table 1 for engine speed specifications.
Return the travel lever to the NEUTRAL position.
Move both travel levers to the full forward travel position and hold for 10 seconds. Read the engine speed display (rpm) on the multi-tool. Refer to Table 1 for engine speed specifications.
Return the travel levers to the NEUTRAL position.