The document provides instructions for removing and installing the crankshaft vibration damper and pulley on 320D2 and 320D2 L excavator models. The removal procedure involves removing the fan, serpentine belt, damper bolts, retainer bolts, and adapter/pulley unit. For installation, the adapter and pulley are reinstalled along with tightening the retainer and damper bolts to the specified torques. Similarly, instructions are provided for removing and installing the crankshaft front seal, using a specialized tool to remove and install the seal from the front cover.
2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 320D2 L EXCAVATOR XAN
Configuration: 320D2 & 320D2 L Excavators XAN00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
320D2 Excavator Engine Supplement
Media Number -UENR0199-09 Publication Date -01/07/2015 Date Updated -25/07/2018
i05536911
Crankshaft Vibration Damper and Pulley - Remove and
Install
SMCS - 1205-010
S/N - EKT1-UP
S/N - ESG1-UP
S/N - TGJ1-UP
S/N - WDJ1-UP
S/N - XAN1-UP
S/N - XBB1-UP
S/N - XCC1-UP
Removal Procedure
Start By:
a. Remove the fan.
1. Remove the serpentine belt. Refer to Operation and Maintenance Manual, "Belt- Remove
and Install".
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3. Illustration 1 g01306599
1. Remove plug (1). Use a suitable pin in order to ensure that the crankshaft does not rotate.
Illustration 2 g01306601
2. Remove bolts (3) and damper (2).
Illustration 3 g01306602
3. Remove bolts (5) and retainer (6). Remove the adapter and pulley (4) as a unit.
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5. 2. Install the adapter and pulley (4) as a unit. Install retainer (6) and bolts (5). Tighten bolts (5)
to a torque of 200 N·m (148 lb ft).
Illustration 7 g01306601
3. Install damper (2) and bolts (3). Tighten bolts (3) to a torque of 115 N·m (85 lb ft).
Illustration 8 g01306599
4. Remove the suitable pin. Install plug (1). Install the serpentine belt. Refer to Operation and
Maintenance Manual, "Belt- Remove and Install".
End By:
a. Install the fan.
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All Rights Reserved.
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6. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 320D2 L EXCAVATOR XAN
Configuration: 320D2 & 320D2 L Excavators XAN00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
320D2 Excavator Engine Supplement
Media Number -UENR0199-09 Publication Date -01/07/2015 Date Updated -25/07/2018
i05897156
Crankshaft Vibration Damper and Pulley - Remove and
Install
SMCS - 1205-010
S/N - TGJ1-UP
S/N - XAN1-UP
Removal Procedure
Start By:
a. Remove the fan.
b. Remove counter weight.
1. Remove the serpentine belt. Refer to Operation and Maintenance Manual, "Belt-
Inspect/Replace" to remove and install the belt.
Illustration 1 g01306599
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7. 1. Remove plug (1). Use a suitable pin in order to ensure that the crankshaft does not rotate.
Illustration 2 g03715417
Illustration 3 g01306601
Picture for reference only.
2. Remove bolts (3) and damper (2). The weight of damper (2) is approximately 14 kg (31 lb).
Illustration 4 g01306602
Picture for reference only.
3. Remove bolts (5) and retainer (6). Remove the adapter and pulley (4) as a unit.
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8. Illustration 5 g01306603
4. Remove pulley (7) from adapter (8).
Installation Procedure
1. Install damper (2) and pulley (7) in the reverse order of removal.
a. Tighten bolts (5) to a torque of 200 N·m (148 lb ft).
b. Tighten bolts (3) to a torque of 115 N·m (85 lb ft).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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9. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 320D2 L EXCAVATOR XAN
Configuration: 320D2 & 320D2 L Excavators XAN00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
320D2 Excavator Engine Supplement
Media Number -UENR0199-09 Publication Date -01/07/2015 Date Updated -25/07/2018
i06536594
Crankshaft Vibration Damper and Pulley - Remove and
Install
SMCS - 1205-010
S/N - DFM1-UP
S/N - DNP1-UP
S/N - EAL1-UP
S/N - EKT1-UP
S/N - ESG1-UP
S/N - FKK1-UP
S/N - GBA1-UP
S/N - HDM1-UP
S/N - JFM1-UP
S/N - KHR1-UP
S/N - LMA1-UP
S/N - NBT1-UP
S/N - RDZ1-UP
S/N - SDZ291-UP
S/N - STN1-UP
S/N - TGJ1-UP
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10. S/N - TMF1-UP
S/N - WDJ1-UP
S/N - XAN1-UP
S/N - XBB1-UP
S/N - XCC1-UP
S/N - YEA1-UP
S/N - ZBD1-UP
S/N - ZCS1-UP
Removal Procedure
Start By:
a. Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove".
Illustration 1 g01306599
1. Remove plug (1). Use a suitable pin to ensure that the crankshaft does not rotate.
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11. Illustration 2 g01306601
2. Remove bolts (3) and damper (2).
Illustration 3 g01306602
3. Remove bolts (5) and retainer (6). Remove the adapter and pulley (4) as a unit.
Illustration 4 g01306603
4. Remove pulley (7) from adapter (8).
Installation Procedure
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12. Illustration 5 g01306603
1. Install adapter (8) to pulley (7).
Illustration 6 g01306602
2. Install the adapter and pulley (4) as a unit. Install retainer (6) and bolts (5). Tighten bolts (5)
to a torque of 40 N·m (30 lb ft). Turn bolts (5) an extra 120 degrees.
Illustration 7 g01306601
3. Install damper (2) and bolts (3). Tighten bolts (3) to a torque of 115 N·m (85 lb ft).
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13. Illustration 8 g01306599
4. Remove the suitable pin. Install plug (1).
End By:
a. Install the fan. Refer to Disassembly and Assembly, "Fan - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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14. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 320D2 L EXCAVATOR XAN
Configuration: 320D2 & 320D2 L Excavators XAN00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
320D2 Excavator Engine Supplement
Media Number -UENR0199-09 Publication Date -01/07/2015 Date Updated -25/07/2018
i05545650
Crankshaft Front Seal - Remove and Install
SMCS - 1160-010
S/N - EKT1-UP
S/N - ESG1-UP
S/N - TGJ1-UP
S/N - WDJ1-UP
S/N - XAN1-UP
S/N - XBB1-UP
S/N - XCC1-UP
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 367-3534 Oil Seal Removal & Installer Tool 1
Start By:
a. Remove the radiator.
b. Remove the crankshaft pulley.
NOTICE
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15. Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01989793
1. Position Tooling (A) onto crankshaft front seal (2).
2. Turn Tooling (A) in a counterclockwise direction and remove crankshaft front seal (2) from
front cover (1).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 367-3534 Oil Seal Removal & installer Tool 1
NOTICE
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16. Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Ensure that the front cover is clean and free from damage.
Illustration 2 g01990013
2. Correctly position a new crankshaft front seal (2) in Position (X) onto front cover (1).
3. Position Tooling (A) onto crankshaft front seal (2).
4. Use Tooling (A) in order to turn crankshaft front seal (2) in clockwise direction.
5. If necessary, to apply a torque greater than 50 N·m (37 lb ft) in order to install crankshaft
front seal (2). Remove crankshaft front seal (2). Inspect the crankshaft front seal and the
front cover for faults or damage.
6. If necessary repeat Step 2 through Step 5 in order to install crankshaft front seal (2).
End By:
a. Install the crankshaft pulley.
b. Install radiator.
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17. Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Jan 8 00:39:25 UTC+0800 2020
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18. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 320D2 L EXCAVATOR XAN
Configuration: 320D2 & 320D2 L Excavators XAN00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
320D2 Excavator Engine Supplement
Media Number -UENR0199-09 Publication Date -01/07/2015 Date Updated -25/07/2018
i05897166
Crankshaft Front Seal - Remove and Install
SMCS - 1160-010
S/N - TGJ1-UP
S/N - XAN1-UP
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 367-3534 Oil Seal Removal & Installer Tool 1
Start By:
a. Remove the damper and crankshaft pulley.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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20. Illustration 1 g01989793
1. Position Tooling (A) onto crankshaft front seal (2).
2. Turn Tooling (A) in a counterclockwise direction and remove crankshaft front seal (2) from
front cover (1).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 367-3534 Oil Seal Removal & Installer Tool 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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21. 1. Ensure that the front cover is clean and free from damage.
Illustration 2 g01990013
2. Correctly position a new crankshaft front seal (2) in Position (X) onto front cover (1).
3. Position Tooling (A) onto crankshaft front seal (2).
4. Use Tooling (A) in order to turn crankshaft front seal (2) in clockwise direction.
5. If necessary, to apply a torque greater than 50 N·m (37 lb ft) in order to install crankshaft
front seal (2). Remove crankshaft front seal (2). Inspect the crankshaft front seal and the
front cover for faults or damage.
6. If necessary repeat Step 2 through Step 5 in order to install crankshaft front seal (2).
End By:
a. Install the damper and crankshaft pulley.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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22. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 320D2 L EXCAVATOR XAN
Configuration: 320D2 & 320D2 L Excavators XAN00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
320D2 Excavator Engine Supplement
Media Number -UENR0199-09 Publication Date -01/07/2015 Date Updated -25/07/2018
i04637217
Oil Pan - Remove and Install
SMCS - 1302-010
S/N - DFM1-UP
S/N - DNP1-UP
S/N - EAL1-UP
S/N - EKT1-UP
S/N - ESG1-UP
S/N - FKK1-UP
S/N - GBA1-UP
S/N - HDM1-UP
S/N - JFM1-UP
S/N - KHR1-UP
S/N - LMA1-UP
S/N - NBT1-UP
S/N - RDZ1-UP
S/N - SDZ291-UP
S/N - STN1-UP
S/N - TGJ1-UP
S/N - TMF1-UP
S/N - WDJ1-UP
S/N - XAN1-UP
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23. S/N - XBB1-UP
S/N - XCC1-UP
S/N - YEA1-UP
S/N - ZBD1-UP
S/N - ZCS1-UP
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-8846 Gasket Sealant 1
1. Drain the engine oil into a suitable container for storage or disposal. Refer to Operation and
Maintenance Manual, "Engine Oil and Filter - Change".
Illustration 1 g02782017
2. Remove covers (1).
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