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May 2014 |
320B/C/D GENERAL DUTY
UNDERCARRIAGE INTRODUCTION
AVSpare introduces Cat General Duty Undercarriage for 320 Hydraulic Excavators. AVSpare created the new line for Cat machines operating in lower usage or lighter duty applications where the full value of standard undercarriage is not realized. General Duty Undercarriage is Cat designed and available exclusively through Cat dealers.
Key Features of
General Duty Undercarriage
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General Duty (GD) is built as a ?run to destruction? undercarriage
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In some circumstances, a turn can be completed.
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Requires minimum maintenance using standard inspections
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Checking for loose or broken hardware, leaks, dry joints, shoe overlap, etc.
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CTS Wear Charts will be available
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Service major groups
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Track Groups & Link Assemblies
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Idler Groups
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Roller Groups
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Sprocket Segments
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General Duty groups and assemblies can be repaired with Heavy Duty components
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Individual GD components not serviced
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Avoids GD parts being used in HD assemblies and groups
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Avoids dual inventory and administration of similar low volume parts
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Current
Machine Coverage
Machine Models
320 B/C/D
315
316
317B
318B/C
319C/D
321C/D
Part Numbers
Refer to Attachment I for new part number information.
Repair
Parts
General Duty Undercarriage utilizes the same repair parts as Heavy Duty
Undercarriage. This helps to
minimize the amount of inventory needed to carry to support General Duty.
Links, pins, bushings, shoes are all repairable with Heavy Duty components.
Contact Information:
Global Dealer Solutions Network
Parts Technical Support Team
Toll Free -
International: +1-309-266-4421
Electronic Requests:
Send via Microsoft Customer Relationship Management (MSCRM)
For access and tutorial information: https://gdsn.cat.com/mscrm
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AVS, AVSpare, their respective logos, ?AVSpare Yellow?
and the ?Power Edge? trade dress, as well as corporate and
product identity used herein, are trademarks of AVSpare and
may not be used without permission.
The information contained herein is intended for circulation
only to AVSpare and dealer employees whose duties require
knowledge of such reports and is intended exclusively for their
information and training. Any reproduction of this release
without the foregoing explanation is prohibited.
This IRM can be viewed and downloaded electronically from the
Internet. Please refer to your marketing organization specific
site for access to the
?
2012 AVSpare Inc.
All Rights Reserved
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Attachment I
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320B/C/D General Duty Link Assemblies
7.50" (190.5 mm) PITCH ? 20 mm Bolt
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(Per Machine) |
Qty |
45 Section |
49 Section |
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Link Assembly
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2 |
422-5505 |
422-5504 |
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Utilizes standard GLT UC components for repair parts. Reference the
UC PSK PECP3003 for more information |
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7.50"
(190.5 mm) PITCH ? 20 mm Bolt
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(Per Machine) |
Qty |
44
Section |
47
Section |
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Link
Assembly
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2 |
449-0281 |
449-0282 |
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Utilizes standard GLT UC components for repair parts. Reference the UC
PSK PECP3003 for more information. |
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320B/C/D General Duty Shoes |
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Track Groups have shoes that are not serviced,
Triple Grouser (center punched slots)
Shoes are available for use on link assemblies. Refer to the UC PSK
for more information on offerings and hardware. PECP3003 |
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320B/C/D Sprockets |
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(Per Side) |
Qty |
Part Number |
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Sprocket Rim (21 teeth) |
1 |
422-8785 |
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Bolt M20 |
16 |
7X-2562 |
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320B/C/D General Duty Idlers |
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(Per Machine) |
Qty |
Part Number |
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Idler Group |
2 |
422-8791 |
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320B/C/D General Duty Rollers
With End Caps |
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Qty Per Machine |
Part Number |
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Single Flange Roller* |
14 |
422-8790 |
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Roller Hardware
(320)** |
Qty Per Roller |
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Bolt ? M20 |
4 |
7X-2565 |
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Washer |
4 |
8T-4123 |
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* 16 - SF rollers for L series
machines.
** These components are not included in the roller group; quantities shown are
required to mount each
roller.
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320B/C/D General Duty Carrier Rollers |
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(Per Machine) |
Qty |
Part Number |
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|
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Carrier Roller |
4 |
392-9537 |
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320B/C/D General Duty End Guide Guards, Roller Guards etc. |
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Uses the same Guards and Guides as Greased Lubricated Track (GLT) |
Attachment II
320B/C/D General Duty Undercarriage
Track Bushings ? External
Wear Chart: 1027
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Caliper |
Allowable Wear |
Ultrasonic |
|||
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|
Lesser |
Greater |
||
|
In |
mm |
%Worn |
%
Worn |
In |
mm |
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2.31 |
(58.7) |
0 |
0 |
0.42 |
(10.7) |
|
2.30 |
(58.4) |
8 |
6 |
0.41 |
(10.4) |
|
2.29 |
(58.2) |
16 |
12 |
0.40 |
(10.2) |
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2.28 |
(57.9) |
24 |
18 |
0.39 |
(9.9) |
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2.27 |
(57.7) |
32 |
24 |
0.38 |
(9.7) |
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2.26 |
(57.4) |
40 |
30 |
0.37 |
(9.4) |
|
2.25 |
(57.2) |
48 |
36 |
0.36 |
(9.1) |
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2.24 |
(56.9) |
56 |
42 |
0.35 |
(8.9) |
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2.23 |
(56.6) |
64 |
48 |
0.34 |
(8.6) |
|
2.22 |
(56.4) |
72 |
54 |
0.33 |
(8.4) |
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2.21 |
(56.1) |
80 |
60 |
0.32 |
(8.1) |
|
2.20 |
(55.9) |
88 |
66 |
0.31 |
(7.9) |
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2.19 |
(55.6) |
94 |
72 |
0.30 |
(7.6) |
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2.18 |
(55.4) |
97 |
76 |
0.29 |
(7.4) |
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2.17 |
(55.1) |
100 |
79 |
0.28 |
(7.1) |
|
2.16 |
(54.9) |
103 |
82 |
0.27 |
(6.9) |
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2.15 |
(54.6) |
106 |
85 |
0.26 |
(6.6) |
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2.14 |
(54.4) |
109 |
88 |
0.25 |
(6.4) |
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2.13 |
(54.1) |
112 |
91 |
0.24 |
(6.1) |
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2.12 |
(53.8) |
115 |
94 |
0.23 |
(5.8) |
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2.11 |
(53.6) |
118 |
97 |
0.22 |
(5.6) |
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2.10 |
(53.3) |
121 |
100 |
0.21 |
(5.3) |
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2.09 |
(53.1) |
124 |
103 |
0.20 |
(5.1) |
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2.08 |
(52.8) |
127 |
106 |
0.19 |
(4.8) |
|
2.07 |
(52.6) |
130 |
109 |
0.18 |
(4.6) |
|
2.06 |
(52.3) |
133 |
112 |
0.17 |
(4.3) |
|
2.05 |
(52.1) |
136 |
115 |
0.16 |
(4.1) |
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2.04 |
(51.8) |
139 |
118 |
0.15 |
(3.8) |
|
2.03 |
(51.6) |
142 |
121 |
0.14 |
(3.6) |
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320B/C/D General Duty Undercarriage
Carrier Rollers
Wear Chart: 4687
|
Caliper |
%Worn |
Ultrasonic |
||
|
All |
One-piece rim |
|||
|
In |
mm |
In |
mm |
|
|
4.72 |
(120.0) |
0 |
1.33 |
(33.8) |
|
4.68 |
(119.0) |
6 |
1.31 |
(33.3) |
|
4.64 |
(118.0) |
12 |
1.29 |
(32.8) |
|
4.60 |
(117.0) |
18 |
1.27 |
(32.3) |
|
4.56 |
(116.0) |
24 |
1.25 |
(31.8) |
|
4.52 |
(115.0) |
30 |
1.23 |
(31.2) |
|
4.48 |
(114.0) |
36 |
1.21 |
(30.7) |
|
4.44 |
(113.0) |
42 |
1.19 |
(30.2) |
|
4.40 |
(112.0) |
48 |
1.17 |
(29.7) |
|
4.36 |
(110.5) |
54 |
1.15 |
(29.2) |
|
4.32 |
(109.5) |
60 |
1.13 |
(28.7) |
|
4.28 |
(108.5) |
66 |
1.11 |
(28.2) |
|
4.24 |
(107.5) |
72 |
1.09 |
(27.7) |
|
4.20 |
(106.5) |
78 |
1.07 |
(27.2) |
|
4.16 |
(105.5) |
84 |
1.05 |
(26.7) |
|
4.12 |
(104.5) |
88 |
1.03 |
(26.2) |
|
4.08 |
(103.5) |
91 |
1.01 |
(25.7) |
|
4.04 |
(102.5) |
94 |
0.99 |
(25.1) |
|
4.00 |
(101.5) |
97 |
0.97 |
(24.6) |
|
3.96 |
(100.5) |
100 |
0.95 |
(24.1) |
|
3.92 |
(99.5) |
103 |
0.93 |
(23.6) |
|
3.88 |
(98.5) |
106 |
0.91 |
(23.1) |
|
3.84 |
(97.5) |
109 |
0.89 |
(22.6) |
|
3.80 |
(96.5) |
112 |
0.87 |
(22.1) |
|
3.76 |
(95.5) |
115 |
0.85 |
(21.6) |
|
3.72 |
(94.5) |
118 |
0.83 |
(21.1) |
|
3.68 |
(93.5) |
121 |
0.81 |
(20.6) |
320B/C/D General Duty Undercarriage
Idlers
Wear Chart: 4386
|
Depth Gauge |
%Worn |
||
|
In |
mm |
||
|
0.78 |
(20.0) |
0 |
|
|
0.80 |
(20.5) |
12 |
|
|
0.82 |
(21.0) |
24 |
|
|
0.84 |
(21.5) |
36 |
|
|
0.86 |
(22.0) |
44 |
|
|
0.88 |
(22.5) |
48 |
|
|
0.90 |
(23.0) |
52 |
|
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0.92 |
(23.5) |
56 |
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0.94 |
(24.0) |
60 |
|
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0.96 |
(24.5) |
64 |
|
|
0.98 |
(25.0) |
68 |
|
|
1.00 |
(25.5) |
72 |
|
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1.02 |
(26.0) |
76 |
|
|
1.04 |
(26.5) |
80 |
|
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1.06 |
(27.0) |
84 |
|
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1.08 |
(27.5) |
88 |
|
|
1.10 |
(28.0) |
92 |
|
|
1.12 |
(28.5) |
96 |
|
|
1.14 |
(29.0) |
100 |
|
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1.16 |
(29.5) |
104 |
|
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1.18 |
(30.0) |
108 |
|
|
1.20 |
(30.5) |
112 |
|
|
1.22 |
(31.0) |
116 |
|
|
1.24 |
(31.5) |
120 |
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320D/C/B General Duty Undercarriage
Track Shoes ? Triple Grouser
Wear Chart: 2781
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Depth Gauge |
Ultrasonic |
|||
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In |
mm |
%Worn |
In |
mm |
|
1.00 |
(25.5) |
0 |
1.36 |
(34.5) |
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0.95 |
(24.0) |
7 |
1.31 |
(33.2) |
|
0.90 |
(23.0) |
14 |
1.26 |
(32.0) |
|
0.85 |
(21.5) |
21 |
1.21 |
(30.7) |
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0.80 |
(20.5) |
28 |
1.16 |
(29.4) |
|
0.75 |
(19.0) |
35 |
1.11 |
(28.2) |
|
0.70 |
(18.0) |
42 |
1.06 |
(26.9) |
|
0.65 |
(16.5) |
49 |
1.01 |
(25.6) |
|
0.60 |
(15.0) |
56 |
0.96 |
(24.3) |
|
0.55 |
(14.0) |
63 |
0.91 |
(23.1) |
|
0.50 |
(12.5) |
70 |
0.86 |
(21.8) |
|
0.45 |
(11.5) |
76 |
0.81 |
(20.5) |
|
0.40 |
(10.0) |
82 |
0.76 |
(19.3) |
|
0.35 |
(9.0) |
88 |
0.71 |
(18.0) |
|
0.30 |
(7.5) |
94 |
0.66 |
(16.7) |
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0.25 |
(6.5) |
100 |
0.61 |
(15.5) |
|
0.20 |
(5.0) |
106 |
0.56 |
(14.2) |
|
0.15 |
(4.0) |
112 |
0.51 |
(12.9) |
|
0.10 |
(2.5) |
118 |
0.46 |
(11.6) |
|
0.05 |
(1.5) |
124 |
0.41 |
(10.4) |
For the Track Links, Pins and Bushings, and Track Rollers; below are the page
numbers from the current CTS Handbook to be used as reference for those 320B/C/D
General Duty components. Also
included for these components are the wear chart numbers, for dealers' future
reference in the new CTS 6.0 program and handbook.
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320 HEX General Duty UC |
CTS Page No.
(16th Edition
Handbook) |
Wear Chart No.
(for
future use in CTS 6.0 ) |
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Track Links |
548 |
84 |
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Pins & Bushings - Internal Wear |
550 |
380 |
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Bushings - External Wear |
n/a |
1027 |
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Shoes - Triple Grouser |
n/a |
2781 |
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Idlers |
n/a |
4386 |
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Carrier Rollers |
n/a |
4687 |
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Track Rollers |
562 |
5285 |
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