PRODUCT SUPPORT PROGRAM FOR REPLACING THE HVAC UNIT BLEND DOOR AND INSTALLING THE CONTROL GROUP ON VARIOUS 320D FM, 324D FM, 325D FM, AND 330D FM EXCAVATORS
[REBE3724]
OPERATOR STATION
AIR CONDITIONER GP
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HVAC UNIT BLEND DOOR AND INSTALLING THE CONTROL GROUP ON VARIOUS 320D FM, 324D FM, 325D FM, AND 330D FM EXCAVATORS
REBE3724-00
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| 16May2008 |
U-266
A-217
D-216
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE HVAC UNIT BLEND DOOR AND INSTALLING THE CONTROL GROUP ON VARIOUS 320D FM, 324D FM, 325D FM, AND 330D FM EXCAVATORS |
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| 7320 | PS42702 |
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| 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 "PS42702" 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. |
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| 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 AVSpare product analyst. |
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TERMINATION DATE |
| 31May2010 |
PROBLEM
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| The existing blend door can fail on certain 320D, 324D, 325D, and 330D Forestry Machines. If the existing blend door fails it can cause perfomance issues with the air conditioning and heating systems. The Control Group is being added to resolve intermittent shutdown being reported to be caused by voltage spikes from the compressor clutch on the Forestry Excavators. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 320D FM HEEL | GKS00180 |
| 320D FM HW | EAX00161 |
| 324D FM | JKR00163-00194 |
| 324D FM HEEL | JLS00152-00185 |
| 324D FM LGP | JGK00127-00131 |
| 325D FM | C7K00192-00211 |
| 325D FM HEEL | C8L00153-00178, 180-182 |
| 330D FM | L2K00215-00228 |
| 330D FM HEEL | H3K00225-00234, 350-365, 367-370 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 5C2890 | NUT-HEX |
| 1 | 6V7646 | WASHER-HARD |
| 1 | 1697443 | CONTROL GP-ELEK |
| 1 | 3201457 | DOOR AS |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 18% 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
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| Replace the existing HVAC unit blend door with a new 320-1457 HVAC unit blend door. Refer to Special Instruction REHS4138 for blend door rework procedure. Rework procedure is the same even though these models may not be listed in the Special Instruction. NOTE: Before the blend door rework is completed the 169-7443 Control Group needs to be installed. Install the 169-7443 Control Group to the HVAC unit. Refer to the attached Rework Procedure for 116-7443 Control Group installation instructions. |
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SERVICE CLAIM ALLOWANCES
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0-36 mo |
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| NOTE: This is a 2.0-hour job | ||||||
| NOTE: If there has been a previous repair in which the customer participated, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim. |
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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| 1. Install the new 320-1457 blend door in the AC unit using the rework procedure in Special Instruction REHS4138. 2. Before installing the AC cover (Image 1.1.1) to finish the blend door rework procedure, install the 169-7443 Control Group according to the following installation instructions. |
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| Image1.1.1 |
| INSTALLING THE 169-7443 CONTROL GROUP 1. Install the 169-7443 Control Group to the 295-1804 Bracket (already installed) on top of the AC unit with a 6V-7646 Washer and a 5C-2890 Nut.(Image 1.2.1) |
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| Image1.2.1 |
| 2. Remove the 4 pin DT Harness Connector, being used as a harness cap, from the 278-8247 Harness Assembly. |
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| Image1.3.1 |
| 3. Connect the 4 pin DT Harness Connector to the 169-7443 Control Group. |
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| Image1.4.1 |
| 4. Remove AC Clutch Relay (3E-6477) from the relay connector. The 3E-6477 AC Clutch Relay is the relay with the E554 pink wire. (Image 1.5.2) 5. Cover the relay with electrical tape. |
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| Image1.5.1 |
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| Image1.5.2 |
| 6. Install the AC unit cover. |
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