Service Repair Manual
320D RR and 320D LRR
Model: 320D RR EXCAVATOR GKL
Configuration: 320D RR & 320D LRR Excavators GKL00001-UP (MACHINE) POWERED BY 3066 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10
Publication Date -01/05/2012
Date Updated -15/05/2012
Crankshaft - Remove
SMCS - 1202-011
( 1 ) Tool (A) is a 46 mm socket.
A. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) -
B. Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear
Seal - Remove".
C. Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing -
Remove and Install".
D. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Remove two bolts (1) from oil supply tube (2). Remove oil supply tube (2) from the engine
2. Check condition of the O-ring seal (3) on the oil supply tube (2). If the O-ring is damaged,
use a new part for replacement.
3. Install nut (4) and the washer onto the crankshaft. Use Tool (A) to turn the crankshaft.
4. Remove nuts and bolts (5) that secure connecting rod caps (6) to the connecting rods.
Remove connecting rod caps (6) from the connecting rods.
Note: Be careful not to damage the bearings. Mark each connecting rod cap and the bearing
in order to ensure installation in the original