Caterpillar cat 320 d2 excavator (prefix zbd) service repair manual (zbd00001 and up)

Service Repair Manual
Models
320D2 and 320D2 L Excavator

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Product: EXCAVATOR
Model: 320D2 EXCAVATOR ZBD
Configuration: 320D2 & 320D2 L Excavators ZBD00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
C7.1 (Mech) Engines for Caterpillar Built Machines
Media Number -UENR0674-08 Publication Date -01/06/2015 Date Updated -23/01/2017
i04780405
Crankshaft Rear Seal - Remove
SMCS - 1161-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 227-4389 E10 Torx Socket 1
Start By:
a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
NOTICE
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
containing fluids.
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2020/1/19https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...

Dispose of all fluids according to local regulations and mandates.
Note: The crankshaft rear seal and the housing are manufactured as a one-piece assembly. The
assembly is not serviceable. If the crankshaft rear seal is removed, the assembly must be replaced.
Illustration 1 g02711971
1. Use Tooling (A) in order to remove torx screws (1) from crankshaft rear seal (2).
2. Remove crankshaft rear seal (2) from the cylinder block. Discard the crankshaft rear seal.
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Sun Jan 19 00:03:08 UTC+0800 2020
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Product: EXCAVATOR
i04780403
Crankshaft Rear Seal - Install
SMCS - 1161-012
Installation Procedure
Table 1
Required Tools
A 227-4389 E10 Torx Socket 1
B FT-2806 Alignment Tool 1
Note: The crankshaft rear seal and the housing are manufactured as a one-piece assembly.
NOTICE
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1. Ensure that crankshaft flange (1) is clean, dry, and free from damage.
2. Ensure that the face of the cylinder block and the bridge piece are clean and dry.
3. A new crankshaft rear seal is supplied with a plastic sleeve (3). Ensure that the plastic
sleeve is squarely installed within crankshaft rear seal (2).
Note: The plastic sleeve is included in order to protect the lip of the seal as the seal is
pushed over the crankshaft flange.
Note: Do not lubricate the crankshaft rear seal or the crankshaft flange. The
crankshaft rear seal must be installed dry.
4. Align plastic sleeve (3) with crankshaft flange (1). Ensure that the plastic sleeve is engaged
onto the crankshaft flange. Push new crankshaft rear seal (2) squarely onto the crankshaft
flange.
During this process, the plastic sleeve will be forced out of the crankshaft rear seal. Discard
the plastic sleeve.
5. Ensure that crankshaft rear seal (2) is seated against the cylinder block.
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6. Install torx screws (4) finger tight.
Note: Do not install torx screws to Positions (X) at this stage.
7. Install Tooling (B) to crankshaft rear seal (2) and to crankshaft flange (1). Use Tooling (B)
to align crankshaft rear seal (2) with crankshaft flange (1).
8. Use Tooling (A) in order to tighten torx screws (4) to a torque of 22 N·m (195 lb in).
Tighten torx screws (4) in the sequence that is shown in Illustration 3.
9. Remove Tooling (B).
10. Install remaining torx screws (4) to Positions (X). Use Tooling (A) in order to tighten the
torx screws to a torque of 22 N·m (195 lb in). Refer to Illustration 3.
End By:
a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".
Sun Jan 19 00:04:03 UTC+0800 2020
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Product: EXCAVATOR
i04780445
Flywheel Housing - Remove and Install - Standard Housing
SMCS - 1157-010
Removal Procedure
Table 1
Required Tools
A -
Guide Stud
M10 by 100 mm
2
Start By:
a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove" for the
correct procedure.
NOTICE
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Typical example
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Typical example
1. Remove bolts (3) from Position (X) from flywheel housing (1).
2. Install Tooling (A) into Position (X) on flywheel housing (1).
3. Install a suitable lifting device onto the flywheel housing in order to support the flywheel
housing. The weight of the flywheel housing is approximately 40 kg (88 lb).
4. Remove bolts (2) and remaining bolts (3) from flywheel housing (1).
5. Use a suitable lifting device in order to remove flywheel housing (1) from the cylinder
block.
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Typical example
6. Remove dust seal (5).
7. If necessary, remove dowels (4) from the cylinder block.
Installation Procedure (Standard Housing)
Table 2
Required Tools
A -
Guide Stud
M10 by 100 mm
2
NOTICE
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1. Ensure that the flywheel housing is clean and free from damage. If necessary, replace the
flywheel housing.
Typical example
2. Inspect crankshaft rear seal (6) for leaks. If there are any oil leaks, replace the crankshaft
rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" and refer
to Disassembly and Assembly, "Crankshaft Rear Seal - Install" for the correct procedure.
3. Clean the rear face of the cylinder block. If necessary, install dowels (4) to the cylinder
block.
4. Install Tooling (A) to the cylinder block.
5. Install dust seal (5).
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Typical example
6. Install a suitable lifting device onto the flywheel housing. The weight of the flywheel
housing is approximately 40 kg (88 lb).
7. Use the lifting device to align flywheel housing (1) with Tooling (A). Install the flywheel
housing to the cylinder block.
8. Install bolts (2) and bolts (3).
9. Remove Tooling (A). Install remaining bolts (3).
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Identification of the bolt Grade.
10. When 8.8 Graded bolts are installed, follow Step 10.a through Step 10.b.
a. Tighten bolts (3) to a torque of 63 N·m (46 lb ft).
b. Tighten bolts (2) to a torque of 78 N·m (58 lb ft).
11. When 10.9 Graded bolts are installed follow Step 11.a through Step 11.b.
a. Tighten bolts (3) to a torque of 115 N·m (85 lb ft).
b. Tighten bolts (2) to a torque of 190 N·m (140 lb ft).
12. Check the alignment of flywheel housing (1) with the crankshaft. Refer to System
Operation, Testing and Adjusting, "Flywheel Housing - Inspect" for more information.
End By:
a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install" for the correct
procedure.
Sun Jan 19 00:04:59 UTC+0800 2020
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Product: EXCAVATOR
i05909468
Vibration Damper and Pulley - Remove
SMCS - 1205-011
Removal Procedure
Table 1
Required Tools
A -
Guide Stud
M14 x 1.5 by 100 mm
1
B 227-4393 E18 Torx Socket 1
Start By:
A. Remove the alternator belt. Refer to Disassembly and Assembly, "V- Belts - Remove and
Install" for the correct procedure.
Note: The weight of the assembly of the crankshaft pulley, the vibration damper, and the
crankshaft adapter is approximately 22 kg (48 lb).
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1. Use a suitable tool in order to prevent the crankshaft from rotating. Use Tooling (B) to
remove one Torx screws (1) from crankshaft pulley assembly (2) .
2. Install Tooling (A) into crankshaft pulley assembly (2) .
3. Remove remaining Torx screws (1) from crankshaft pulley assembly (2) .
4. Remove crankshaft pulley assembly (2) .
5. Tooling (A) .
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6. If necessary, follow Step 6.a through Step 6.b in order to remove friction shim (3) from the
crankshaft.
a. Remove the front seal from the front cover. Refer to Disassembly and Assembly,
"Crankshaft Front Seal - Remove and Install" for the correct procedure.
b. Remove friction shim (3) .
7. If necessary, follow Step 7.a through Step 7.c in order to disassemble vibration damper,
crankshaft pulley.
a. Place the crankshaft pulley assembly onto a suitable support.
b. Remove bolts (6) from crankshaft pulley assembly (2) .
c. Remove vibration damper (5) from crankshaft pulley (5) .
Sun Jan 19 00:05:55 UTC+0800 2020
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Product: EXCAVATOR
i05909469
Vibration Damper and Pulley - Install
SMCS - 1205-012
Table 1
Required Tools
A -
Guide Stud
M14x1.5 by 100 mm
1
B 227-4393 E18 Torx Socket 1
C 8T-3052 Degree Wheel 1
D -
Guide Studs
M12x1.75 by 50 mm
2
NOTICE
1. Ensure that the crankshaft pulley and the front of the crankshaft are clean and free from
damage.
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2. Inspect vibration damper (5) for damage. If necessary, replace the vibration damper.
3. If necessary, follow Step 3.a through Step 3.e in order to install vibration damper,
crankshaft pulley to crankshaft adapter.
a. Place crankshaft pulley (4) onto a suitable support.
b. Install Tooling (D) crankshaft pulley (4) .
c. Install vibration damper (6) over Tooling (D) .
d. Install bolts (6) to the crankshaft pulley assembly.
Note: Evenly space bolts (6) around the crankshaft pulley assembly.
e. Tighten bolts (6) finger tight.
4. If necessary, install friction shim (3) . Follow Step 4.a through Step 4.b in order to install
friction shim (3) .
a. Install friction shim (3) .
b. Install a new front seal to the front cover. Refer to Disassembly and Assembly,
"Crankshaft Front Seal - Remove and Install" for the correct procedure.
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5. If the friction shim has not been removed, install a new front seal to the front cover. Refer to
Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct
procedure.
6. Install Tooling (A) to the crankshaft.
7. Install crankshaft pulley assembly (2) onto the crankshaft.
Note: Do not lubricate the front seal or the seal face of the crankshaft pulley assembly.
8. Install two Torx screws (1) to crankshaft pulley assembly (2) hand tighten.
9. Remove Tooling (A) .
10. Install remaining Torx screws (1) to crankshaft pulley assembly (2) .
11. Tighten bolts (6) to a torque of 115 N·m (85 lb ft).
12. Use a suitable tool in order to prevent the crankshaft from rotating. Tighten Torx screws (1)
to a torque of 40 N·m (29 lb ft).
13. Use Tooling (B) and Tooling (C) to turn Torx screws (1) through an additional 120 degrees.
End By: Install the alternator belt. Refer to Disassembly and Assembly, "V-Belt - Remove and
Install" for the correct procedure.
Sun Jan 19 00:06:51 UTC+0800 2020
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Product: EXCAVATOR
i07445252
Crankshaft Front Seal - Remove and Install
SMCS - 1160-010
Removal Procedure
Table 1
Required Tools
A 278-2636 Front Oil Seal Removal Tool 1
Start By:
a. Remove the vibration damper and pulley.
NOTICE
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1. Position Tooling (A) on the nose of the crankshaft. Fasten Tooling (A) into crankshaft front
seal (1).
Note: Do not damage the edge of the housing for the crankshaft front seal.
2. Fasten bolt (2) into Tooling (A) to remove crankshaft front seal (1).
Table 2
Required Tools
B
9U-6206 Front Seal Installer 1
9U-6207 Plate 1
366-5984 Anchor Plate 1
276-1209 Seal Installer Tool 1
9U-6209 Sleeve 1
NOTICE
1. Ensure that the bore for the crankshaft front seal in the front housing is clean and free from
damage.
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Caterpillar cat 320 d2 excavator (prefix zbd) service repair manual (zbd00001 and up)

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Caterpillar cat 320 d2 excavator (prefix zbd) service repair manual (zbd00001 and up)