- Track-Type Tractor:
- D11R (S/N: AAF1-UP; 7PZ1-UP; 9TR1-UP; 9XR1-UP)
Introduction
Reference: Service Manual, SENR5664, "Refrigerant System - Evacuate", "Testing and Adjusting"
This instruction provides the procedure to update the air conditioner in large track-type tractors.
Refer to the necessary parts lists in each section.
After assembly is completed, prepare the machine for service. Refer to the Operation And Maintenance Manual for proper machine preparation.
Do not perform any procedure that is outlined in this publication until you have read the information and you understand the information. Do not order any parts until you have read the information and you understand the information.
Reference: Service Manual, Parts Book, Operation and Maintenance Manual.
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Do not attempt to assemble this machine until you read and you understand the assembly instructions. Improper assembly procedures could result in injury or death. |
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Disconnect batteries before performance of any service work. |
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Personal injury can result from contact with refrigerant. Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury. Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant. Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area. Personal injury or death can result from inhaling refrigerant through a lit cigarette. Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death. Do not smoke when servicing air conditioners or wherever refrigerant gas may be present. Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system. |
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Procedure for the D11R
Necessary Parts
| 145-8734 Air Conditioner Lines | |||
|---|---|---|---|
| Item | Part Number | Description | Qty |
| 1 | 2K-4973 | Locknut | 4 |
| 2 | 4L-9337 | Bolt | 2 |
| 3 | 4P-7581 | Clip | 4 |
| 4 | 6V-8801 | Nut | 2 |
| 5 | 7K-1181 | Cable Strap | 8 |
| 6 | 8M-2773 | Clip | 1 |
| 7 | 8T-4896 | Hard Washer | 4 |
| 8 | 9X-7378 | O-Ring Seal | 1 |
| 9 | 9X-7382 | O-Ring Seal | 2 |
| 10 | 9X-7383 | O-Ring Seal | 2 |
| 11 | 149-6371 | Pressure Switch | 1 |
| 12 | 169-7443 | Control | 1 |
| 13 | 170-0235 | Air Conditioner Accumulator | 1 |
| 14 | 170-5293 | Air Conditioner Harness As | 1 |
| 15 | 172-0986 | Air Conditioner Fitting | 1 |
| 16 | 205-1985 | Hose As | 1 |
| 17 | 205-1986 | Hose As | 1 |
| 18 | 206-7110 | Bracket As | 1 |
| 19 | 207-4253 | Plate | 1 |
| 20 | 207-4285 | U-Bolt | 2 |
| 21 | 5P-1075 | Hard Washer | 4 |
| 22 | 9X-7385 | O-Ring Seal | 1 |
Remove the Old Accumulator
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| Illustration 1 | g00817543 |
Previous Accumulator | |
- Evacuate the air conditioner system.
- Remove three clips and retain three clips (23) .
- Remove the hose assembly and discard hose assembly (24) that connects at the top of the accumulator.
- Remove the clip and discard clip (26) that is located at the left rear of the valve cover.
- Remove the hose assembly and discard hose assembly (27) .
- Cut the tie-wraps. Disconnect the harness assembly at the compressor. Discard harness assembly (25) .
- Loosen bolt (32). Remove the fitting and discard the fitting and seal (30) .
- Remove bolts (28) and save bolts (28). Leave the clips on the hose.
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| Illustration 2 | g00817571 |
Previous Accumulator | |
- Remove four bolts and washers (29). Retain four bolts and washers (29). Discard the bracket assembly, the accumulator and the mounting straps.
Procedure for the D11R
Installation of the New Accumulator
- Install bracket (18) and reuse the bolts and washers (29) .
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| Illustration 3 | g00817948 |
Installation of the New Accumulator | |
- Position accumulator (13) and install U-bolts (20), plate (19), locknuts (1) and washer (21). Tighten the nuts (1) to a torque of 12 ± 3 N·m (8.85 ± 2.21 lb ft).
- Reinstall the clips. Use bolt (28) .
- Install seal (22) to fitting (15). Install fitting (15) at the compressor and tighten. Do not torque bolt (32) .
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| Illustration 4 | g00817982 |
New Accumulator | |
- Install hose assembly (17), seals (10), seal (9) and clips (23) .
- Install clip (6) with the nut, the bolt and the washer in order to secure the hose assembly.
- Connect hose assembly (16) at accumulator (13) and at air conditioner fitting (15) with seals (10) and seal (9) .
- Torque bolt (32) to a torque of 8 ± 1.5 N·m (5.90 ± 1.11 lb ft).
- Install switch (11) into fitting (15) with seal (8). Tighten the switch to a torque of 8 ± 1.5 N·m (5.90 ± 1.11 lb ft).
- Install control (12) with bolts (2), nut (4), and two washers (7) .
- Install Harness assembly (14) with four clips (3) and straps (5) .
- Recharge the air conditioner system.
- Position harness assembly (14) and install clips (3) and cable straps (5) .
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| Illustration 5 | g00819726 |
Installation of the Harness | |
- Charge the air conditioner system. The new air conditioner system requires 30HG of refrigerant.