PRODUCT SUPPORT PROGRAM FOR INSTALLING THE CAB AIR DUCT ASSEMBLIES ON CERTAIN 321D AND 328D EXCAVATORS Caterpillar


PRODUCT SUPPORT PROGRAM FOR INSTALLING THE CAB AIR DUCT ASSEMBLIES ON CERTAIN 321D AND 328D EXCAVATORS

Usage:

REBE4703-00

15Apr2009


U-144
A-126
D-121
O-127

 
Before/After
  
  

PRODUCT SUPPORT PROGRAM FOR INSTALLING THE CAB AIR DUCT ASSEMBLIES ON CERTAIN 321D AND 328D EXCAVATORS

732D
PS42913
NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS42913" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.


TERMINATION DATE

30Apr2011

PROBLEM

The cab air duct assemblies may not have been installed at the factory on certain 321D and 328D Excavators.

AFFECTED PRODUCT

Model Identification Number
321D LCR  PBD00115, 119, 123, 126, 132, 142, 145, 149, 151-152
328D GTN00104-00204, 206-280

MKR00172-00205

PARTS NEEDED

Qty

Part Number Description
2 9X2044 SCREW-TRUSS HEAD
1 2299028 CLIP
1 2299047 FILTER
1 2299048 DUCT AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 29% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

Inspect the affected machines and install the duct assembly if necessary. Refer to the attached Rework Procedure.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-4000 hrs,
0-36 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 1.0-hour job
NOTE: The 1.0 hour of labor covers the inspection of the duct assembly and installation of missing duct assembly, if applicable.



PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
 
 
 


Rework Procedure


 
Prior to starting any work on the machine, please review, understand and adhere to all safety and environmental warnings in the appropriate disassembly and assembly manual.

Inspection Procedure:

1. Move the seat forward and inspect the area behind the base of the seat. If the duct assembly is installed, no further action is required. If the duct assembly is missing, proceed to the Duct Installation Procedure.
Image1.1.1
 
The picture below is an example of a missing air duct.
Image1.2.1
 
The picture below is an example of an installed air duct.
Image1.3.1
 
Duct Installation Procedure:

1. Move the seat all the way forward. Tilt the seat back all the way forward. Clean the area of debris where the duct assembly will be located.
Image1.4.1
 
2. Move the wiring harness out of the way of the duct.
Image1.5.1
 
3. Install the 229-9048 Duct diagonally into the seat side vent first, then rotate downwards into the filter location.
Image1.6.1
Image1.6.2
 
4. Install the two 9X-2044 Screws into the filter location. Tighten the screws to a torque of 12 +/- 3 Nm (106 +/- 26 lb/in).
Image1.7.1
 
5. Install the 229-9028 Clip into the vent side of the duct assembly.
Image1.8.1
 
6. Install the 229-9047 Filter into the proper location. Note the direction arrow on the filter. The filter must be installed in the proper direction.
Image1.9.1
 
 

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