Service Repair Manual
321D LCR EXCAVATOR
Model: 321D LCR EXCAVATOR PBD
Configuration: 321D LCR Excavator PBD00001-UP (MACHINE) POWERED BY C6.4 Engine
Disassembly and Assembly
C6.4 Engine for Caterpillar Built Machines
Media Number -KENR8106-09
Publication Date -01/10/2017
Date Updated -18/10/2017
Fuel Injection Lines - Remove
SMCS - 1252-011
Tool Part Number
Fuel System Protection Gp (1)
( 1 ) This tool can only be used one time.
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Contact with high pressure fuel may cause personal injury or death.
Wait 60 seconds after the engine has stopped to allow fuel pressure to
purge before any service or repair is performed on the engine fuel
321D LCR Excavator PBD00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB...
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: Discard all fuel injection lines after use. Fuel injection lines must only be used one time.
Note: Before opening the fuel system, the engine must be turned off for at least one minute.
Note: Use CaterpillarElectronic Technician (ET) to verify that the fuel system pressure is at zero
before opening the fuel system.
Note: Use Tooling (A) after any fuel line has been disconnected.
Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and
on all tube assemblies for installation purposes. Plug all hose assemblies a