Caterpillar cat m322 d mh wheeled excavator (prefix w2t) service repair manual (w2t00001 and up)

Service Repair Manual
Models
M322D MH WHEELED
EXCAVATOR

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Product: WHEELED EXCAVATOR
Model: M322D MH WHEELED EXCAVATOR W2T
Configuration: M322D Material Handler W2T00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
M322D Excavator Machine Systems
Media Number -KENR6041-01 Publication Date -01/02/2009 Date Updated -19/02/2009
i06564407
Swing Gear and Bearing - Remove
SMCS - 7063-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 3
Start By:
a. Separate the upper frame from the undercarriage. Refer to Disassembly and Assembly,
"Upper Frame and Undercarriage Frame - Separate".
Illustration 1 g01118836
1. Attach Tooling (A) and a suitable lifting device to gear and bearing (1). The weight of gear
and bearing (1) is approximately 279 kg (615 lb).
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2. Remove bolts (3) and spacers (2). Remove gear and bearing (1) from the machine.
3. Remove inner dust seal (4) and outer dust seal (5).
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i06564466
Swing Gear and Bearing - Install
SMCS - 7063-012
Installation Procedure
Table 1
Required Tools
B - Loctite High Flex GM -
C - LoctiteSuperbond 414 -
D 384-8910 Hydraulic Wrench 1
F 418-4568 Table As 1
G 1U-7234 Feeler Gauge 1
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1. Install inner dust seal (4). Use Tooling (C) to fasten the ends of inner dust seal (4). Install
outer dust seal (5). Use Tooling (C) to fasten the ends of outer dust seal (5).
Note: Position the "S" or the "F" that is stamped on gear and bearing (1) toward the left side
of the frame.
2. Apply Tooling (B) to the top face of gear and bearing (1). Use Tooling (A) and a suitable
lifting device to position gear and bearing (1) on to Tooling (F). The weight of gear and
bearing (1) is approximately 279 kg (615 lb).
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3. Use Tooling (F) to position swing gear and bearing (1) underneath the upper frame.
4. Ensure that the teeth of swing gear and bearing (1) and swing drive gear (6) are meshed
evenly.
5. Install bolts (3) hand tight.
6. Remove Tooling (F).
7. Use Tooling (G) to measure the clearance between pinion (6) and swing gear (1). The
clearance should be between 0.3 mm to 0.7 mm (0.01181 inch to 0.02756 inch).
8. Use Tooling (D) to tighten bolts (3). Refer to table 2 for the correct torque.
Table 2
Torque Table
M20mm bolts 600 ± 50 N·m (443 ± 37 lb ft)
M24mm bolts 900 ± 100 N·m (664 ± 74 lb ft)
End By:
a. Connect the upper frame to the undercarriage.
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i02970023
Hydraulic Tank - Remove
SMCS - 5056-011
Removal Procedure
Table 1
Required Tools
Start By:
A. Remove the hydraulic oil cooler. Refer to Disassembly and Assembly, "Hydraulic Oil
Cooler - Remove".
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.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
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1. Remove clips (1). Disconnect hose assembly (4). Loosen clamps (2) and remove hose (3) .
2. Disconnect hose assemblies (5) and harness assembly (6) .
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3. Disconnect hose assemblies (7) .
4. Disconnect hose assembly (8) .
5. Disconnect hose assembly (9) and harness assembly (10) .
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6. Disconnect hose assemblies (11). Remove bolts (12) and reposition valve assembly (13) .
7. Remove bolts (14) and bracket assembly (15) .
8. Remove the mounting hardware from bracket (16) .
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9. Disconnect hose assemblies (17) .
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10. Attach a suitable lifting device to hydraulic tank (18). Remove bolts (19). Remove hydraulic
tank (18) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Mar 20 10:15:36 UTC+0800 2020
6/6(W)w

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i02970024
Hydraulic Tank - Install
SMCS - 5056-012
Installation Procedure
Table 1
Required Tools
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1. Attach a suitable lifting device to hydraulic tank (18). Position hydraulic tank (18) and
install bolts (19) .
2. Connect hose assemblies (17) .
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3. Install the mounting hardware to bracket (16) .
4. Position bracket assembly (15) and install bolts (14) .
5. Position valve assembly (13) and install bolts (12). Connect hose assemblies (11) .
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6. Connect hose assembly (9) and harness assembly (10) .
7. Connect hose assembly (8) .
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8. Connect hose assemblies (7) .
9. Connect hose assemblies (5) and harness assembly (6) .
10. Position hose (3) and tighten clamps (2). Connect hose assembly (4). Install clips (1) .
End By: Install the hydraulic oil cooler. Refer to Disassembly and Assembly, "Hydraulic Oil
Cooler - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Mar 20 10:16:39 UTC+0800 2020
5/5(W)w

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i02972971
Accumulator - Remove and Install
SMCS - 5077-010
Removal Procedure
Start By:
A. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic
System Pressure - Release".
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.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1/3(W)w

Caterpillar cat m322 d mh wheeled excavator (prefix w2t) service repair manual (w2t00001 and up)

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