HOSE AS 3711798 - Caterpillar

Table 1
Required Tools    
Part Number    Description    Qty    
5P-3277     Measuring Tape     1    
    Stopwatch     1    
Illustration 1 g00298078
Complete the following steps in order to measure the swing speed on a slope.
The work tool should be empty.
Position the machine on a slope of 12 degrees. Refer to Illustration 1.
Position the implements at maximum reach and close the work tool. Position the work tool above the ground so that the work tool will not come in contact with any obstacles.
Illustration 2 g00298079
Position the upper structure at position (A). The upper structure should be at a 90 degree angle to the lower structure. Refer to Illustration 2.
Measure the time that is required to swing the upper structure from position (A) to position (B) .
Position the upper structure at position (C). The upper structure should be at a 90 degree angle to the lower structure.
Measure the time that is required to swing the upper structure from position (C) to position (B).
Table 2
Swing Time (seconds)    
Item    New    Rebuild    Service Limit    
Right Swing     5.2 or less     5.7 or less     6.5 or less    
Left Swing    
Complete the following steps in order to measure the swing drift on a slope.
Illustration 3 g00298079
Position the upper structure at position (A). The upper structure should be at a 90 degree angle to the lower structure. Refer to Illustration 3.
Illustration 4 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. Refer to Illustration 4.
Stop the engine.
Leave the machine in this position for three minutes. Measure the swing drift on the circumference of the swing bearing.
Start the engine.
Position the upper structure at position (C). The upper structure should be at a 90 degree angle to the lower structure. Refer to Illustration 3.
Repeat Steps 2.b through 2.d.
Table 3
Swing Drift mm (inch)    
Item    New    Rebuild    Service Limit    
Right Swing     0     0     0    
Left Swing