Service Repair Manual
Models
325C EXCAVATOR
Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BKT
Configuration: ISJ HEX COMMONALITY CHART BKT00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06
Publication Date -01/08/2018
Date Updated -17/08/2018
i01980480
Flywheel - Remove and Install
SMCS - 1156-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
138-7573
Link Bracket
2
B
FT2712
Guide Stud
2
1/3
ISJ HEX COMMONALITY CHART BKT00001-UP (MACHINE)(SEBP5600 - 00) - ...
2020/5/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1
g01026562
1. Install Tooling (A) on the flywheel. Fasten a suitable lifting device to the flywheel. The
weight of flywheel (1) is approximately 23 kg (50 lb).
2. Remove two bolts and install Tooling (B). Remove the remaining bolts.
3. Remove flywheel (1).
4. Place the flywheel on a wood block. Use a hammer and a punch in order to remove the
flywheel ring gear.
Installation Procedure
Table 2
Required Tools
Tool Part Number
Part Description
Qty
A
138-7573
Link Bracket
2
B
FT2712
Guide Stud
2
C
9S-3263
Thread Lock Compound
1
2/3
ISJ HEX COMMONALITY CHART BKT00001-UP (MACHINE)(SEBP5600 - 00) - ...
2020/5/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 2
g01026562
1. Raise the temperature of the flywheel ring gear. Do not use a torch to heat the flywheel ring
gear. Position the flywheel ring gear on the flywheel with the part number toward the
crankshaft.
2. Use a suitable lifting device to position flywheel (1) on Tooling (B). The weight of flywheel
(1) is approximately 23 kg (50 lb).
3. Apply Tooling (C) to the threads of the bolts. Install the bolts. Remove Tooling (B) and
install the remaining bolts.
4. Tighten the bolts evenly to a torque of 120 ± 20 N·m (90 ± 15 lb ft).
5. Check the flywheel runout. Refer to Testing and Adjusting, "Flywheel