ENGINE AR-COMPLETE 3107945 - Caterpillar

Table 1
Required Tools    
Part Number    Description    Qty    
5P-3277     Measuring Tape     1    
    Stopwatch     1    
Illustration 1 g00297618
Position the machine on level ground. Refer to Illustration 1.
Stop the engine.
Illustration 2 g00293972
(A) Upper frame (B) Undercarriage frame (C) Marking
To indicate the relationship of the two positions, put a mark (C) on the inner race and the outer race of the swing bearing. The mark will be used as a target to stop the swing operation. Refer to Illustration 2.
The bucket should be empty.
Start the engine.
Place the machine controls at the following settings: Engine speed dial "10" and Low idle switch OFF.
Place the hydraulic activation control lever in the UNLOCKED position.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Move the swing joystick in either direction until the machine completes a 180 degree swing operation away from the target.
Move the swing joystick in either direction until the machine completes a 180 degree swing operation toward the target. Return the swing joystick to the NEUTRAL position at the target.
Measure the amount of overswing by measuring the distance between the marks on the swing bearing. Refer to Illustration 2.Note: Use a point that is visible from the operator seat as a reference point for the target.
Table 2
Overswing    
Item    New    Rebuild    Service Limit    
Right Swing    
1050 mm (41.5 inch) or less    
1210 mm (47.6 inch) or less    
1365 mm (53.7 inch) or less    
Left Swing    
Move the swing joystick in each direction and measure the time that is required to complete a 180 degree swing operation.
Table 3
Swing Time    
Item    New    Rebuild    Service Limit    
Right Swing     3.9 seconds or less     4.4 seconds or less     4.9 seconds or less    
Left Swing    Note: The specifications that are in Table 4 are the specifications for machines that are equipped with Tier II sound emissions.
Table 4
Swing Time (Tier II Sound Emissions)    
Item    New    Rebuild    Service Limit    
Right Swing     4.3 seconds or less     4.9 seconds or less     5.6 seconds or less    
Left Swing