320B Excavator Hydraulic System Caterpillar


Cylinder Drift - Check - Loaded Bucket

Usage:

320B 1CS

Table 1
Required Tools    
Part Number     Description     Qty    
5P-3277     Measuring Tape     1    
    Stopwatch     1    



Illustration 1g00298378

  1. Position the machine on level ground. Refer to Illustration 1.

  1. Load the bucket.

    Weight of bucket load

    320B ... 1050 kg (2310 lb)
    320B L ... 1200 kg (2630 lb)

  1. Raise the boom until the top stick pin is the same height as the boom foot pin.

  1. Fully extend the bucket cylinder.

  1. Fully retract the stick cylinder.

  1. Extend the stick cylinder rod 70 mm (2.8 inch) from the fully retracted position.

  1. Measure each cylinder's length from cylinder pin to cylinder pin.

  1. Stop the engine.

  1. 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 (0.94 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    

Caterpillar Information System:

320B Excavator Hydraulic System Cylinder Drift - Check - Empty Bucket
C-12, C-15 and C-16 Engines for Caterpillar Built Machines ECM Will Not Accept Factory Passwords
M318 and M320 Excavators Blade/Stabilizer Control - If Equipped
3500B and 3500B High Displacement Generator Set Engines Pinion Clearance Adjustment
3500B and 3500B High Displacement Generator Set Engines Electric Starting System
320B Excavator Hydraulic System Swing Speed and Swing Drift on a Slope - Check
5230 Excavator Fuses - Replace
313B Excavator Machine Systems Final Drive and Travel Motor - Disassemble
320B Excavator Hydraulic System Swing Speed and Overswing on Level Ground - Check
3524B Engines for 797 and 797B Off-Highway Trucks Alternator Regulator
3114, 3116 and 3126 MUI Engine Governors Governor (Type II) - Assemble
3508B Engine for Caterpillar Built Machines Charging System
303.5 Mini Hydraulic Excavator Swing Boom Control
320B Excavator Hydraulic System Cylinder Operating Speed
313B CR Excavator Safety Signs and Labels
320B Excavator Hydraulic System Cylinder Operating Speed
313B CR Excavator Machine Parking
320B Excavator Hydraulic System Cylinder Operating Speed
3126 Truck Engine Military Inlet and Exhaust Valves - Remove and Install
3508B Engine for 854G Wheel Dozers and 992G Wheel Loaders Electrical Connectors and Functions
313B CR Excavator Model View Illustrations
313B CR Excavator Acceptable Boom/Stick/Bucket Combinations
330B Excavator Machine System Specifications Lines (Boom)
313B CR Excavator Acceptable Boom/Stick/Bucket Combinations
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.