HOSE 1226886 - Caterpillar

Table 1
Required Tools    
Description    Qty    
Measuring Tape     1    
Stopwatch     1    
Illustration 1 g00298378
Position the machine on level ground. Refer to Illustration 1.
Load the bucket.Weight of bucket load Standard Undercarriage ... 1980 kg (4370 lb) Long Undercarriage ... 2160 kg (4760 lb)
Raise the boom until the stick to bucket pin is the same height as the boom foot pin.
Fully extend the bucket cylinder.
Fully retract the stick cylinder.
Extend the stick cylinder rod 70 mm (2.8 inch) from the fully retracted position.
Measure each cylinder's length from cylinder pin to cylinder pin.
Stop the engine.
Leave the machine in this position for three minutes. Measure each cylinder's length from cylinder pin to cylinder pin for drift.
Table 2
Cylinder Drift (Loaded Bucket)    
Item     New     Rebuild     Service Limit    
Boom Cylinder    
6.0 mm (0.24 inch) or less    
12.0 mm (0.47 inch) or less    
24.0 mm (0.95 inch) or less    
Stick Cylinder    
12.0 mm (0.47 inch) or less    
18.0 mm (0.71 inch) or less    
30.0 mm (1.18 inch) or less    
Bucket Cylinder    
18.0 mm (0.71 inch) or less    
27.0 mm (1.06 inch) or less    
45.0 mm (1.77 inch) or less