Caterpillar Cat 349E L Excavator (Prefix MPZ) Service Repair Manual (MPZ00001 and up).pdf

Service Repair Manual
Models
349E L Excavator

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Product: EXCAVATOR
Model: 349E L EXCAVATOR MPZ
Configuration: 349E L Excavators MPZ00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
349E Excavator and 349E MHPU
Mobile Hydraulic Power Unit C13 Engine Supplement
Media Number -KENR9847-03 Publication Date -01/01/2013 Date Updated -28/01/2013
i06192451
Fan Drive - Assemble - Hydraulic Fan Drive
SMCS - 1359-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1861 Retaining Ring Pliers 1
B 9U-7480 Compressing Tube 1
C 1P-1859 Retaining Ring Pliers 1
D 1P-1863 Retaining Ring Pliers 1
E - Loctite Flexible Anaerobic Gasket Flange 1
F - Loctite 648 1
G 359-4915 Driver 1
H 359-4916 Driver 1
Note: Caution is required while handling the lip seals. The lip seals can be damaged if objects or
cleaning fluids contact the sealing surface.
Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts except the lip
seals with cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to
dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If
any parts are worn or damaged, use new parts for replacement.
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the
components, if necessary.
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Illustration 1 g01333314
1. Use a suitable press to install bearing (29) into case (9) . Use Tooling (A) in order to install
retaining ring (28) .
Note: Caution is required while handling the lip seals. The lip seals can be damaged if
objects or cleaning fluids contact the sealing surface.
2. Apply Tooling (E) to the outside diameter of lip seal (27) . Carefully install lip seal (27) into
case (9) .
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3. Install seal (25) onto shaft assembly (24) .
4. Apply Tooling (F) to the full diameter of the shoulder on shaft assembly (24) . Position new
sleeve (30) on shaft assembly (24) . The external chamfer on sleeve (30) will be on top. Use
Tooling (G) and a suitable press in order to install sleeve (30) . Remove excess Tooling (F) .
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5. Position tube assembly (26) into case (9) .
6. Position case (9) and tube assembly (26) onto shaft assembly (24) .
7. Use a suitable press and a suitable driver to press shaft assembly (24) through the bearing
and through tube assembly (26) .
8. Use Tooling (D) in order to install retaining ring (23) . Install seal rings (22) onto shaft
assembly (24) .
9. Install spring (21) on clutch housing assembly (11) .
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10. Install seal (20) on piston (18) .
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
11. Install piston (18) . Use Tooling (B) and a suitable press in order to position piston (18) .
Use Tooling (C) in order to install retaining ring (19) . Carefully release the tension on
Tooling (B) .
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12. Install clutch plates (16) and discs (17) . Install retaining ring (15) .
13. Position cover assembly (8) onto clutch housing assembly (11) .
Note: Make sure that the splines of cover assembly (8) fully engage all of the clutch plates
and discs in the clutch assembly.
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Note: Caution is required while handling the lip seals. The lip seals can be damaged if
objects or cleaning fluids contact the sealing surface.
14. Use a suitable press in order to install bearing (14) . Use Tooling (A) in order to install
retaining ring (13) . Install lip seal (12) .
15. Position cover assembly (8) on the opposite side.
16. Install O-ring seal (10) on cover assembly (8) .
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17. Position cover assembly (8) onto case (9) . Install bolts (7) and tighten bolts (7) to a
minimum torque of 18 N·m (13 lb ft) up to a maximum torque of 31 N·m (23 lb ft).
18. Apply Tooling (F) to the full diameter of the shoulder on drive flange (6) . Position new
sleeve (6A) on drive flange (6) . The external chamfer on sleeve (6A) will be on top. Use
Tooling (H) and a suitable press in order to install sleeve (6A) . Remove excess Tooling
(F) .
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19. Install drive flange (6) and O-ring seal (5) .
20. Install retainer (4) . Tighten retainer (4) to a minimum torque of 610 N·m (450 lb ft) up to a
maximum torque of 750 N·m (550 lb ft). After achieving the torque range, overtighten
retainer (4) as needed in order to align the next position for locking screws (3) .
21. Install locking screws (3) and tighten locking screws (3) to a minimum torque of 7 N·m (62
lb in) to a maximum torque of 10 N·m (89 lb in).
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22. Position sensor (1) . Install bolt (2) .
End By: Install the fan clutch. Refer to Disassembly and Assembly, "Fan Clutch - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Sep 16 18:21:39 UTC+0800 2020
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349E L Excavators MPZ00001-UP (MACHINE) POWERED BY C13 Engine(SEB...
2020/9/16

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Product: EXCAVATOR
i04142231
Fan Drive - Assemble - Direct Drive
SMCS - 1359-016
Assembly Procedure
Table 1
Required Tools
A - Loctite 242 -
1. Install spring pin (6) into plate (7) .
2. Apply Tooling (A) to the threads of bolt (8). Install bearing assembly (2), spacer (3), hub
assembly (4), bearing assembly (5), plate (7), and bolt (8) onto bracket assembly (1).
Tighten bolt (8) to a torque of 115 ± 15 N·m (85 ± 11 lb ft).
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End By: Install the fan drive (direct drive).
Wed Sep 16 18:22:35 UTC+0800 2020
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Product: EXCAVATOR
i04108512
Water Pump - Remove and Install
SMCS - 1361-010; 1361-011; 1361-012
Removal Procedure
Table 1
Required Tools
A - Loctite 242 -
Start By:
A. Remove the water temperature regulator.
B. Remove fan drive.
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1. Remove bolts (1) and sheet assembly (2). Remove bolts (3) and sheet assembly (4) .
2. Remove step (6), sheet assembly (5), sheet assembly (7), and sheet assembly (8) .
Note: Open the hoods to the FULLY OPEN position.
3. Disconnect support assembly (9). Use suitable cribbing to support the support assembly (9) .
4. Remove support assembly (10) and support assembly (11) .
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Note: Keep a minimum diameter bend of 102 mm (4.0 inch) for harness assemblies (13) .
5. Remove sheet assembly (15) and sheet assembly (16). Reposition sheet assembly (12) .
6. Remove hose (14) .
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7. Remove bracket (14), tube (19), and elbow assembly (20) .
8. Remove bolts (22), water pump (21), and the O-ring seal.
Installation Procedure
1. Install water pump (21) in the reverse order of removal.
a. Lubricate the bore for the water pump (21) with lubricant that is being sealed.
b. Apply Tooling (A) to the threads of bolts (1) and (3) .
Wed Sep 16 18:23:31 UTC+0800 2020
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Product: EXCAVATOR
i04137389
Crankshaft Vibration Damper and Pulley - Remove and
Install
SMCS - 1205-010
Removal Procedure
Table 1
Required Tools
A FT-2712 Guide Stud 2
Start By:
A. Remove the fan drive.
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1. Remove bolts (2) and support (1). Disconnect bracket (3) .
2. Remove belt (4). Refer to the Operation and Maintenance Manual, "Belt -
Inspect/Adjust/Replace".
3. Use two people to remove bracket assembly (6). The weight of bracket assembly (6) is
approximately 28 kg (62 lb). Remove bolts (5) and bracket assembly (6) .
4. Remove two bolts (9). Install Tooling (A).
5. Remove the remaining bolts (9). Remove pulley (11), adapter (10), pulley (8), and damper
assembly (7).
1. Install the crankshaft vibration damper and pulley in the reverse order of removal procedure.
Wed Sep 16 18:24:27 UTC+0800 2020
2/3
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Product: EXCAVATOR
i04109121
Crankshaft Front Seal - Remove and Install
SMCS - 1160-010
Removal Procedure
Start By:
A. Remove the crankshaft vibration damper and pulley.
Typical Example
1. Remove nuts (1) and crankshaft front seal (2) .
1. Install crankshaft front seal (2) in reverse order of removal.
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Note: Leave the shipping sleeve in place in order to install the crankshaft front seal. The
crankshaft front seal must be installed dry.
a. Tighten nuts (1) in a numerical sequence.
Wed Sep 16 18:25:22 UTC+0800 2020
2/2
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Product: EXCAVATOR
i04109500
Oil Pan - Remove and Install
SMCS - 1302-010
Removal Procedure
Table 1
Required Tools
A - Loctite 242 -
Hot oil and components can cause personal injury.
Do not allow hot oil or components to contact skin.
1. Refer to Operation and Maintenance Manual, "Engine Oil and Oil Filter - Change" for the
correct draining and filling procedures.
1/3
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2. Remove bolts (1) and plate assemblies (4).
3. Remove bolts (2) and plate assembly (3) .
4. Disconnect clips (5) and (6) .
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5. Disconnect harness assembly (7). Disconnect hose assembly (10).
6. Remove bolts (8) and lower engine oil pan (9) .
7. Remove bolts (11), bolts (13), and tube assembly (12).
8. Remove engine oil pan (9) .
1. Install engine oil pan (9) in reverse order of the removal.
a. Apply Tooling (A) to the threads of bolts (1) and (2) .
Wed Sep 16 18:26:18 UTC+0800 2020
3/3
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Product: EXCAVATOR
i04142771
Engine Front Mount - Remove and Install
SMCS - 1152-FR
Removal Procedure
Table 1
Required Tools
A - Loctite 242 -
Personal injury can result from hot coolant, steam and alkali.
At operating temperature, engine coolant is hot and under pressure.
The radiator and all lines to heaters or the engine contain hot coolant or
steam. Any contact can cause severe burns.
Remove cooling system pressure cap slowly to relieve pressure only
when engine is stopped and cooling system pressure cap is cool enough
to touch with your bare hand.
Do not attempt to tighten hose connections when the coolant is hot, the
hose can come off causing burns.
Cooling System Coolant Additive contains alkali. Avoid contact with
skin and eyes.
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Caterpillar Cat 349E L Excavator (Prefix MPZ) Service Repair Manual (MPZ00001 and up).pdf

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Caterpillar Cat 349E L Excavator (Prefix MPZ) Service Repair Manual (MPZ00001 and up).pdf