Service Repair Manual
Models
312E Excavator
Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312E EXCAVATOR GAC
Configuration: 312E Excavator GAC00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
C4.4 Engines for Caterpillar Built Machines
Media Number -UENR0602-11
Publication Date -01/08/2013
Date Updated -25/10/2017
i04047880
Front Cover - Remove and Install
SMCS - 1166-010
Removal Procedure
Start By:
a. Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley -
Remove and Install" for the correct procedure.
b. If the engine has a fan, remove the fan. Refer to Disassembly and Assembly, "Fan - Remove
and Install" for the correct procedure.
1/4
312E Excavator GAC00001-UP (MACHINE) POWERED BY C4.4 Engine(SEBP567...
2020/6/9
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 1
g02481028
1. Remove the front seal from the front cover. Refer to Disassembly and Assembly,
"Crankshaft Front Seal - Remove and Install" for the correct procedure.
2. Remove bolts (3) and bolts (4). Identify the positions of bolts of different length.
3. Remove front cover (1) from front housing (5).
4. Remove gasket (2).
Installation Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
-
Guide Stud
M8 by 70 mm
2
B
342-9206
Front Cover Alignment Tool
1
2/4
312E Excavator GAC00001-UP (MACHINE) POWERED BY C4.4 Engine(SEBP567...
2020/6/9
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 2
g02481030
1. Thoroughly clean the gasket surface of the front housing.
2. If the original front cover is installed, follow Step 2.a through Step 2.b.
a. Thoroughly clean front cover (1).
b. Install a new gasket (2) to front cover (1). Engage Locators (Y) into the holes in the
front cover.
3. Install Tooling (A) into Holes (X) in front housing (5).
4. Use Tooling (A) in order to position the front cover assembly onto the front housing.
5. Install bolts (3) and bolts (4) fin