Procedures For Installing Multi-Velocity Program (MVP) in the D6R Series III{1408, 7620} Caterpillar

Track-Type Tractor:

D6R Series III (S/N: GJB1-UP; WCB1-UP; HDC1-UP; RFC1-UP; TBC1-UP; HCD1-UP; HKE1-UP; WRG1-UP; MTJ1-UP; DMK1-UP; JDL1-UP; DLM1-UP; LFM1-UP; DPS1-UP; GMT1-UP; MRT1-UP; JEK1-UP; EXL1-UP; EXW1-UP; LGP1-UP)

Introduction

These Special Instruction, REHS3096, "Procedures For Installing Multi-Velocity Program (MVP) In the D6R Series III" will provide the following procedures in order to convert your D6R Series III tractor to Multi-Velocity Program (MVP) .

MVP features provide additional speed ranges in order to match specific applications. Intermediate speeds that are obtained from MVP are not from additional gears. Intermediate speeds do not represent different options for stalling the machine or for retarding speed. Intermediate speeds cannot be used to gain a mechanical advantage when a large load is encountered.

Reference Refer to Operation and Maintenance Manual, SEBU7925 for the operating instructions for MVP.

The following procedures need to be completed in order to install MVP functions in your D6R Series III:

Note: Installing MVP will allow your tractor to have five speeds or three speeds via a switch in the cab.

• MVP switch installation

• Removing the "T" harness

• Rework the wire assembly for the steering filter bypass.

• Install the jumper wire to the wiring harness for the dash behind the instrument panel on certain tractors.

• Flash the software.

Note: You must make a wire assembly with the parts that are shown in Table 2.

(MVP) Switch Installation

Note: Proceed to ""Rework the Steering Filter Bypass 201-5688 Wire " " if you have one of the following sound suppression arrangements on your machine: Check the configuration of your machine.

• 223-0549 Sound Suppression Arrangement

• 223-0550 Sound Suppression Arrangement

• 232-6199 Sound Suppression Arrangement

• 232-6200 Sound Suppression Arrangement

• 232-6202 Sound Suppression Arrangement

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Illustration 1	g01289065

1. Remove four screws (13) for the switch plate on the RH side of the dash.

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Illustration 2	g01289086

2. Remove switch plate (2) with the switches.

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Illustration 3	g01289193

3. Disconnect rocker switch (14), rocker switch (15), and Plug (16) .

4. Remove plug (16) from the switch plate (2) .

   Note: The tabs on plug (16) may be damaged when the plug is removed. Discard plug (16) when the plug is removed.

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Illustration 4	g01289225

5. Connect the wiring to plate (2) with 283-2382 MVP Switch (17) in the middle.

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Illustration 5	g01289255

6. Assemble switch plate (2) to the console with four screws (13) .

7. Proceed to ""Removing the "T" Harness" ".

Removing the "T" Harness

Note: The "T" harness will need to be removed from the following Machines:

• (S/N: GMT118-UP)

• (S/N: JDL127-UP)

• (S/N: HCD145-UP)

• (S/N: GJB372-UP)

• (S/N: MRT240-UP)

• (S/N: WRG308-UP)

• (S/N: HKE171-UP)

• (S/N: HDC170-UP)

• (S/N: WCB133-UP)

• (S/N: JEK1-UP)

• (S/N: EXL1-UP)

• (S/N: EXW1-UP)

• (S/N: LGP1-UP)

Note: 223-0549 Sound Suppression Arrangement , 223-0550 Sound Suppression Arrangement , 232-6199 Sound Suppression Arrangement , 232-6200 Sound Suppression Arrangement , or 232-6202 Sound Suppression Arrangement is not installed on the following machines: The "T" harness will need to be removed.

• (S/N: TBC152-UP)

• (S/N: LFM139-UP)

• (S/N: DPS124-UP)

• (S/N: DMK163-UP)

• (S/N: RFC140-UP)

• (S/N: MTJ152-UP)

• (S/N: DLM161-UP)

Note: If you do not need to remove the "T" harness, proceed to ""Rework the Wire Assembly For the Steering Filter Bypass" ".

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Illustration 6	g01290969

1. Remove right hand side armrest (1) .

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Illustration 7	g01292760

2. Unbolt switch plate (2) and disconnect the switches.

3. Unscrew the switch for the horn and remove the top cover (3) .

4. Unbolt right hand cover assembly (4) and remove the cover assembly (4) .

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Illustration 8	g01291003

5. Unbolt bracket (5) that is holding the soundproof panel and remove the panel.

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Illustration 9	g01288811

6. Unbolt cover (7) for front access and remove cover (7) .

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Illustration 10	g01291025

7. Unbolt joystick (8) from plate (9) .

8. Unbolt plate (8) and hold plate (9) at a 45 degree angle.

9. Unbolt the clips (B) that hold the gray 12-pin connectors and the 4-pin connectors to the dash. The clips (B) are located through cover (7) .

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Illustration 11	g01300504

10. Unplug the gray 12-pin connectors and the 4-pin connectors. Unplug 12-pin connector (13) from 12-pin connector (D). Unplug 12-pin connector (12) from 12-pin connector (10). Unplug 4-pin connector (14) from 4-pin connector (A). Unplug 4-pin connector (11) from 4-pin connector (B) .

    Note: Do not unplug the green 12-pin connector.

11. Remove 287-6143 Receptacle Assembly from the dash.

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Illustration 12	g01292776

12. Connect gray 12-pin connector (10) to gray 12-pin connector (13). Connect 4-pin connector (11) to 4-pin connector (14). The finished assembly is shown in Illustration 12.

13. Fasten the 4-pin connectors to the right hand console with a tie strap.

14. Fasten the 12-pin connectors to the boss with the bolts and clips that were removed previously.

15. Fasten all of the connectors to the main wiring harness.

    Note: Make sure that all of the connectors are fastened to the main wiring harness in order to prevent the connectors from moving.

16. Reassemble the dash.

17. Proceed to ""Flash the Software" ".

Rework the Wire Assembly for the Steering Filter Bypass

Note: The wire assembly for the steering filter bypass will need to be added to the following machines:

• GMT1-117

• JDL1-126

• HCD1-144

• GJB1-371

• MRT1-239

• HKE1-170

• HDC1-169

• WCB1-132

• WRG1-307

• TBC1-151

• LFM1-138

• DPS1-123

• DMK1-162

• RFC1-140

• MTJ1-151

• DLM1-160

Note: If you do not need to install the wire assembly for the steering filter bypass proceed to ""Flash the Software" ".

Note: You must make a wire assembly with the parts that are shown in Table 3.

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Illustration 13	g01289298

1. Lift battery box (18) to the open position.

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Illustration 14	g01289358

2. Remove door assembly (19) for the fuse panel.

3. Disassemble the starter cable in order to provide access to the platform harness.

4. Cut the tie strap on the harness for the Hydraulic Filter (20) .

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Illustration 15	g01291580

5. Grasp the breakout for the Hydraulic Filter (20) and remove the sealing plug from the 2-pin connector.

6. Make a wire assembly with the parts that are shown in Table 3. Connect the wire assembly to the 2-pin connector and fasten the wire assembly to the platform harness with a tie strap.

7. Proceed to ""Install the Jumper Wire To the Wiring Harness For the Dash Behind the Instrument Panel" ".

Install the Jumper Wire to the Wiring Harness for the Dash

Note: The harness for the dash is located behind the instrument panel.

1. Check the label on the wiring harness under the dash for the Machines that are listed below:
   • (S/N: GJB1-188)

   • (S/N: HCD1-125)

   • (S/N: HDC1)

   • (S/N: HKE1-148)

   • (S/N: MRT1-169)

   • (S/N: WCB1)

   • (S/N: WRG1-169)

   Note: A jumper wire needs to be run from the 40-pin connector for EMS to the 70-pin connector on the 226-9666 Panel Harness Assembly that is located behind the dash. Run the jumper wire from pin number 40 on the 40-pin connector to pin number 40 on the 70-pin connector if the panel harness assembly is "04" or lower. Proceed to Step 2.

   Note: If the 226-9666 Panel Harness Assembly is "05" or higher proceed to ""Flash the Software" ".

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Illustration 16	g01289547

2. Make a 633 mm (24.921 inch) length of wire with a connector pin and a connector socket. Connect this wire from pin number 40 on 70-pin connector (22) to pin number 40 on 40-pin connector (21) .

3. Proceed to ""Flash the Software" ".

Flash the Software

1. After all modifications to the wiring for the tractor have been completed flash the new software.

   Note: Flash the software in the following order:

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   Table 4

   1	Engine Software Refer to Table 5 for the software part number for your engine.
   2	306-6467 Electronic Monitoring System III (EMS) or the latest version of Electronic Monitoring System III (EMS)
   3	304-1764 Power Train Software or the latest version of power train software

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   Table 5

   Engine Software
   Software	Engine Arrangement
   287-1748	261-4290
   287-1747	261-4291
   287-1751	261-4294
   287-1750	261-4295
   287-1749	261-4297