Service Repair Manual
Model: 323 EXCAVATOR RAZ
Configuration: 323 Excavator RAZ00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
C7.1 Engines for Caterpillar Built Machines
Media Number -UENR4468-15
Publication Date -01/06/2015
Date Updated -30/10/2018
Gear Group (Front) - Remove and Install
SMCS - 1206-010
Tool Part Number
Crankshaft Turning Tool
Engine Turning Tool
Timing Pin (Camshaft)
Fuel Injection Pump Timing Pin
Timing Pin (Crankshaft)
T40 Torx Socket
(1) The Crankshaft Turning Tool is used on the front pulley.
(2) This Tool is used in the aperture for the electric starting motor.
a. Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and
Install" for the correct procedure.
b. Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve
Mechanism Cover - Remove and Install" for the correct procedure.
323 Excavator RAZ00001-UP (MACHINE) POWERED BY C7.1 Engine(M0085246 ...
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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
Dispose of all fluids according to local regulations and mandates.
Note: Either Tooling (A) can be used. Use the Tooling that is most suitable. Care must be taken in
order to ensure that the fuel injection pump timing is not lost during the removal of the front gear