Service Repair Manual
M322C WHEELED Excavator
Product: WHEELED EXCAVATOR
Model: M322C WHEELED EXCAVATOR H2E
Configuration: M322C Excavator H2E00001-UP (MACHINE) POWERED BY 3056E Engine
Disassembly and Assembly
M318C and M322C Excavators Machine Systems
Media Number -RENR9207-02
Publication Date -01/12/2006
Date Updated -05/12/2006
Swing Drive - Remove
SMCS - 5459-011
Tool Part Number Part Description Qty
A. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic
System Pressure - Release".
B. Remove the swing motor. Refer to Disassembly and Assembly, "Swing Motor - Remove".
Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube
assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps
to prevent fluid loss, and this helps to keep contaminants from entering the system.
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Personal injury can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in the hydraulic system after the
engine has been stopped. Serious injury can be caused if this pressure is
not released before any service is done on the hydraulic system.
Make sure all of the work tools have been lowered to the ground, a