Service Repair Manual
305CR Mini Hydraulic Excavator
Product: MINI HYD EXCAVATOR
Model: 305 MINI HYD EXCAVATOR DSA
Configuration: 305CR Mini Hydraulic Excavator DSA00001-UP (MACHINE) POWERED BY K4N Engine
Disassembly and Assembly
305 Mini Hydraulic Excavator Machine Systems
Media Number -RENR5546-04
Publication Date -01/08/2007
Date Updated -07/08/2007
Travel Motor - Remove
SMCS - 4351-011
A. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic
System Pressure - Release".
B. Remove the track. Refer to Disassembly and Assembly, "Track - Remove and Install".
C. Remove the final drive sprocket. Refer to Disassembly and Assembly, "Final Drive
Sprocket - Remove and Install".
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 attachments have been lowered, oil is cool before
removing any components or lines. Remove the oil filler cap only when
the engine is stopped, and the filler cap is cool enough to touch with
your bare hand.
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
305CR Mini Hydraulic Excavator DSA00001-UP (MACHINE) POWERED BY K4N ...
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 Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all l