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Media Number -UENR6793-03 Publication Date -01/04/2019
Product: EXCAVATOR
Model: 325F EXCAVATOR NDJ
Configuration: 325F L Excavators NDJ00001-UP (MACHINE) POWERED BY C4.4 Engine
Date Updated -24/04/2019
i 06585310
Disassembly and Assembly
325F Excavator Engine Supplement
Removal Procedure
Air Cleaner - Remove and Install
SMCS - 1051-010; 1054-010
1.Open compartment door (1).
Illustration 1 g06034168

3. Illustration 2 g06034182
1.
2.Disconnect tube (3). Remove bolts (2) and air cleaner (4).
Install air cleaner (4) in the reverse order of removal.
a.Tighten bolts (2) to a torque of 15 ± 3 N·m (132.80 ± 26.60 lb in).
Installation Procedure
Copyright 1993 - 2022 Caterpillar Inc.
All Rights Reserved.
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Media Number -UENR4516-18 Publication Date -01/06/2015
Product: EXCAVATOR
Model: 325F EXCAVATOR NDJ
Configuration: 325F L Excavators NDJ00001-UP (MACHINE) POWERED BY C4.4 Engine
Date Updated -28/05/2021
i 05921443
Disassembly and Assembly
C4.4 Engines for Caterpillar Built Machines
Removal Procedure
Clean Emissions Module - Remove and Install
Tool
A
SMCS - 1050-010; 1050; 7279-010; 7279
Table 1
Required Tools
Part NumberPart Description
473-2944 Capping Kit
Qty
1
Ensure that all adjustments and repairs that are carried out to the
Diesel Emission Fluid (DEF) system are performed by authorized
personnel that have the correct training.
Before beginning ANY work on the DEF system, refer to Operation
and Maintenance Manual, "General Hazard" for safety information.
Care must be taken to ensure that Diesel Emission Fluid (DEF) for the
system are contained during performance of inspection, maintenance,
testing, adjusting, and repair of the product. Be prepared to collect the
NOTICE
NOTICE

5. fluid with suitable containers before opening any compartment or
disassembling any component containing fluids.
Dispose of all fluids according to local regulations and mandates.
2.Remove flexible exhaust pipe (1). Refer to Disassembly and Assembly, "Flexible Exhaust Pipe
- Remove and Install" for the correct procedure.
3.Disconnect the harness assembly from exhaust temperature sensor (2).
4.Disconnect harness assembly (4) from Diesel Emission Fluid (DEF) injector (3). Use Tooling
(A) to cap the harness assembly and the DEF injector.
1.Ensure that the purge process for the DEF system is completed before turning the battery
disconnect switch to the OFF position. Refer to the Operation and Maintenance Manual,
"Battery Disconnect Switch" for further information.
Illustration 1 g03726978

6. 5.Remove Diesel Emission Fluid (DEF) line (5) and diesel emission fluid line (6) from the DEF
injector (3). Refer to Disassembly and Assembly, "Diesel Exhaust Fluid Lines - Remove and
Install" for the correct procedure.
6.Use Tooling (A) to caps DEF injector (3).
7.Use Tooling (A) plug diesel emission fluid line (5) and diesel emission fluid line (6).
8.Remove the Original Equipment Manufacture (OEM) exhaust tube assembly (7) from Clean
Emissions Module (CEM) (12). Refer to the OEM for the correct procedure.
9.Disconnect the harness assembly from exhaust temperature sensor (8).
10.Attach a suitable lifting device to the assembly of CEM (12).
11.Remove bolts (10) and bolts (11) from CEM (12). Use the suitable lifting device to remove the
CEM from the bracket.
Illustration 2 g03726980
Installation Procedure

7. 2.Attach a suitable lifting device to the assembly of CEM (12).
3.Use the suitable lifting device to install CEM (12) to the bracket. Install bolts (10) and bolts
(11) to CEM (12). Tighten the bolts to a torque of 44 N·m (32 lb ft).
4.Remove the suitable lifting device from CEM (12).
5.Connect the harness assembly to exhaust temperature sensor (8).
6.Install the Original Equipment Manufacture (OEM) exhaust tube assembly (7) to Clean
Emissions Module CEM (12). Refer to the OEM for the correct procedure.
1.Ensure that all components are clean and free from wear and damage. If necessary, replace the
CEM as an assembly. The assembly of the CEM will be supplied with mounting brackets. The
orientation of the CEM to the brackets will be preset. The clamps retaining the CEM to
the bracket should not be loosened or removed.
Illustration 3 g03726980

8. Illustration 4 g03726978
7.Install flexible exhaust pipe (1). Refer to Disassembly and Assembly, "Flexible Exhaust Pipe -
Remove and Install" for the correct procedure.
8.Connect the harness assembly to exhaust temperature sensor (2).
9.Remove the cap the harness assembly (4) and DEF injector (3). Connect the harness assembly
to the DEF injector.
10.Remove the caps from DEF injector (3) and diesel emission fluid line (5) and diesel emission
fluid line (6). Connect the diesel emission fluid lines to the DEF injector. Refer to Disassembly
and Assembly, "Diesel Exhaust Fluid Lines - Remove and Install" for the correct procedure.
Copyright 1993 - 2022 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon May 30 11:21:37 UTC+0530 2022

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Media Number -UENR6793-03 Publication Date -01/04/2019
Product: EXCAVATOR
Model: 325F EXCAVATOR NDJ
Configuration: 325F L Excavators NDJ00001-UP (MACHINE) POWERED BY C4.4 Engine
Date Updated -24/04/2019
i 07212510
Disassembly and Assembly
325F Excavator Engine Supplement
Removal Procedure
Clean Emissions Module - Remove and Install
SMCS - 1050-010; 7279-010
Start By:
a.Remove the right side hood.
b.Remove the flexible exhaust pipe.
Illustration 1 g06041534

10. 1.Disconnect sensor (1) and sensor (2).
3.Disconnect sensor (8). Disconnect diesel exhaust fuel (DEF) line (9).
2.Disconnect sensor (3), sensor (4), and sensor (5). Remove bolts (6) and bracket (7).
Illustration 2
Illustration 3
g06041568
g06041800

11. Illustration 5
Illustration 4
Typical Example.
g06041879
g06241518
4.Attach a suitable lifting device to clean emissions module (CEM) (10). The weight of CEM 10
is approximately 77 kg (170 lb).
5.Remove bolts (11) and the washers. Remove CEM (10).

12. Installation Procedure
1. Install clean emissions module (CEM) (10) in the reverse order of removal.
Copyright 1993 - 2022 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon May 30 11:20:02 UTC+0530 2022

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Media Number -UENR6793-03 Publication Date -01/04/2019
Product: EXCAVATOR
Model: 325F EXCAVATOR NDJ
Configuration: 325F L Excavators NDJ00001-UP (MACHINE) POWERED BY C4.4 Engine
Date Updated -24/04/2019
i 06635676
Disassembly and Assembly
325F Excavator Engine Supplement
Removal Procedure
Cooling System Package (Radiator, Hydraulic Oil Cooler,
Aftercooler, and Fuel Cooler) - Remove and Install
SMCS - 1063-010; 1353-010; 1374-010; 1712-010
Start By:
a.Remove the counterweight.
b.Drain the coolant. Refer to Operation and Maintenance Manual, Cooling System Coolant (ELC)
- Change for the correct draining procedure.
Note: Put identification marks on all lines, on all hoses, on all harness assemblies, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This action helps to prevent fluid loss and this
action helps to keep contaminants from entering the system.

14. Illustration 1
Illustration 2
g06032384
g06032393
2.Remove bolts (3).
1.Remove bolt (1) and the washer. Cut cable straps (2).

15. Illustration 3
Illustration 4
g06032394
g06032401
3.Remove bolt (4).
4.Remove bolts (5). Remove panel (6).

16. Illustration 5
Illustration 6
g06032407
g06032452
6.Remove bolts (9).
5.Remove bolts (8) from both side of fuel cooler core (7). Reposition fuel cooler core (7) out of
the way.

17. Illustration 7
Illustration 8
g06032465
g06032478
8.Remove P-Clips (12).
7.Remove bolts (11) and reposition refrigerant dryer (10) out of the way.

18. Illustration 9
Illustration 10 g06032487
g06032483
10.Cut cable straps (16).
9.Remove bolt (13), bolt (14), bolt (15), and the washers.

19. Illustration 11
Illustration 12
g06032494
g06032813
11.Remove panel (17).
12.Remove bolts (18) and the washers.

20. Illustration 13
Illustration 14
g06032854
g06032864
13.Remove bolts (20) and the washers. Remove panel (19).
14.Remove bolt (23). Remove bolts (21) and the washers. Remove panel (22).

21. Illustration 15
Illustration 16
g06032874
g06032899
15.Remove panel (24).
16.Remove hose (25). Disconnect tube (26). Cut cable strap (27).

22. Illustration 17
Illustration 18
g06032908
g06032920
17.Remove tube (26).
18.Remove P-clips (27). Disconnect harness assemblies (30). Remove hose (28). Remove bolts
(29).

23. Illustration 19
Illustration 20
g06032946
g06032992
19.Remove bolts (32) and bracket (31).
20.Attach a suitable lifting device to cooling system package (33). The weight of cooling system
package (33) is approximately 272 kg (600 lb).

24. Illustration 21 g06033070

25. Illustration 22 g06033109
1. Install cooling system package (33) in the reverse order of removal.
21.Remove bolts (34) from the bottom of cooling system package (33).
22.Remove cooling system package (33).
Installation Procedure
Copyright 1993 - 2022 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon May 30 11:18:27 UTC+0530 2022

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Media Number -UENR6793-03 Publication Date -01/04/2019
Product: EXCAVATOR
Model: 325F EXCAVATOR NDJ
Configuration: 325F L Excavators NDJ00001-UP (MACHINE) POWERED BY C4.4 Engine
Date Updated -24/04/2019
i 06547578
Disassembly and Assembly
325F Excavator Engine Supplement
Assemble Procedure
Cooling System Package (Radiator, Hydraulic Oil Cooler, and
Aftercooler) - Assemble
SMCS - 1063-016; 1353-016; 1374-016
1.Using a suitable lifting device, install core (17).
Illustration 1 g06019048

27. Illustration 2
Illustration 3
Illustration 4
g06019032
g06018984
g06018969
2.
4.
Install bolts (16).
Install bolts (14).
3.Using a suitable lifting device, install core (15).

28. Illustration 5
Illustration 6
Illustration 7
g06018932
g06018721
g06018709
5.
6.
Install bolts (12) and shroud (13).
Install bolts (9), (10), and plate (11).

29. 7.
8.
9.Install bolts (1) and plate (2).
End By:
a.Install Cooling package
Install bolts (3) and intercooler (4).
Install bolts (5).Install hose assemblies (7) and (8). Install tank (6).
Illustration 8
Illustration 9
g06018698
g06018681
Copyright 1993 - 2022 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon May 30 11:18:15 UTC+0530 2022

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Media Number -UENR4516-18 Publication Date -01/06/2015
Product: EXCAVATOR
Model: 325F EXCAVATOR NDJ
Configuration: 325F L Excavators NDJ00001-UP (MACHINE) POWERED BY C4.4 Engine
Date Updated -28/05/2021
i 05921446
Disassembly and Assembly
C4.4 Engines for Caterpillar Built Machines
Removal Procedure
DEF Injector and Mounting - Remove and Install
Tool
A
B
SMCS - 108I-010
Table 1
Required Tools
Part NumberPart DescriptionQty
473-2944 Capping Kit 1
- De-ionized Water 1
Ensure that all adjustments and repairs that are carried out to the
Diesel Emission Fluid (DEF) system are performed by authorized
personnel that have the correct training.
Before beginning ANY work on the DEF system, refer to Operation
and Maintenance Manual, "General Hazard" for safety information.
NOTICE
NOTICE

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manual, Please click on the above
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