Installing The 523-4907 Work Tool Positioner Kit {5112, 5264, 5479} Caterpillar

Compact Track Loader

259D (S/N: LW51-UP; FTK1-UP; GTK1-UP; FTL1-UP)

Multi Terrain Loader

257D (S/N: EML1-UP; FMR1-UP; D5T1-UP; EZW1-UP)

Skid Steer Loader

242D (S/N: HFB1-UP; DML1-UP; DZT1-UP; A9W1-UP)

Introduction

This Special Instruction provides information that is necessary to install the 523-4907 Work Tool Positioner Kit on certain Compact Track Loader, Multi-Terrain Loader, and Skid Steer Loader machines. Do not begin installation of this kit until you have read and understand the directions that are contained in this instruction.

Reference

Reference: : Operation and Maintenance Manual, SEBU9084, "259D, 279D, 289D, 299D, and 299D XHP Compact Track Loaders, 257D, 277D, 287D, 297D, and 297D XHP Multi-Terrain Loaders and 236D, 242D, 246D, 262D, 272D, and 272D XHP Skid Steer Loaders"

Reference: Disassembly and Assembly, UENR2332, "299D and 299D XHP Compact Track Loaders and 272D and 272D XHP Skid Steer Loaders Power Train"

Reference: Disassembly and Assembly, UENR2333, "299D and 299D XHP Compact Track Loaders and 272D and 272D XHP Skid Steer Loaders Machine Systems"

Safety

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At operating temperature, the hydraulic oil is hot and under pressure. Hot oils can cause burns. To prevent possible personal injury, release the pressure in the work tool hydraulic circuit (boom, stick, bucket, and swing), travel circuits, and the hydraulic oil tank at the filler cap before any hydraulic lines or components are disconnected or removed. Remove the filler cap only when the engine is stopped and the filler cap is cool enough to touch.

Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.

Machine Preparation

1. Move the machine to a smooth horizontal location. Move the machine away from other machines and personnel. Lower the bucket to the ground. Stop the engine.

2. Permit only one operator on the machine.

3. Block the front tracks and the rear tracks of the machine.

4. Place a barrier around the machine to keep personnel away from rotating machinery.

5. Remove the bucket and/or any other worktools connected to the lift arms.

6. If equipped with an Electronic Coupler, remove the two bolts that hold the guard onto the coupler assembly. Slide the guard out of place. Set aside for reinstallation.

Required Parts

Determining Fabrication Requirements (If Needed)

Some machines may have existing holes for installing parts in the 523-4907 Work Tool Positioner KitThis section is to determine if drilling is needed to install some of the parts.

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Illustration 1	g03732737
View from right side of machine

1. Determine if your machine has existing holes inside the right-hand tower at circle (A) and on the right-hand lift arm at circle (B).

2. If your machine has existing holes at both circle (A) and circle (B), disregard this section and proceed to the section titled "Installation Procedure".

3. If your machine DOES NOT have one or both of the existing hole patterns above, proceed to the sections that follow.

Drilling the Holes on the Right Lift Arm on the Rear of the Machine

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Illustration 2	g03732768
View from right-side of machine. (View of work area B) ( 1) Hole (2) Hole (3) Hole (C) 36.97 ± 1.5 mm (1.5 ± 0.06 inch) (D) 82.75 ± 1.5 mm (3.3 ± 0.06 inch) (E) 82.77 ± 1.5 mm (3.3 ± 0.06 inch) (F) 27.55 ± 1.5 mm (1.08 ± 0.06 inch) (G) 27.55 ± 1.5 mm (1.1 ± 0.06 inch) (H) 52.55 ± 1.5 mm (2.1 ± 0.06 inch)

1. Mark the center for the three holes (1), (2), and (3) on the right-hand lift arm at the locations shown in Illustration 2. Drill three 9.2 +0.1/-0.2 (0.364 +0.0039/-0.0078) holes on the marked location. Clean any debris from the holes.

Drilling the Holes on the Interior Right Tower of the Machine

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Illustration 3	g03732885
View from right-side of machine. Lift arms removed for clarity (View of work area A) ( 4) Hole (5) Hole (J) 260.28 ± 1.5 mm (10.2 ± 0.06 inch) (K) 234.81 ± 1.5 mm (9.2 ± 0.06 inch) (L) 27.37 ± 1.5 mm (1.1 ± 0.06 inch) (M) 48.07 ± 1.5 mm (1.9 ± 0.06 inch)

1. Start the machine, raise the lift arms, and secure the arms with the service brace. Refer to the Disassembly and Assembly Manual for your machine. See section "Reference Material" for more details.

2. Mark the center of two holes on the Link As. on the right-hand tower at the locations shown in Illustration 3. Drill two 7 +0.15/-0.08 (0.276 +0.0059/-0.0031 inch) holes on the marked locations to a depth of 20 mm (0.787 inch). Tap the holes to M8X1.25 and to a minimum depth of 16 mm (0.630 inch).

3. Clean any debris from the holes.

Installation Procedure

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Illustration 4	g06172699
(1) 458-1051 Position Sensor As (2) 515-8578 Bracket As (3) 7X-2537 Bolts (4) 8T-4224 Hard Washers

1. Lower the lift arms if needed. Mount 458-1051 Position Sensor As (1) onto 515-8578 Bracket As (2). Use two 7X-2537 Bolts (3) and two 8T-4224 Hard Washers (4) to secure the sensor, as shown in Illustration 4.
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   Illustration 5	g06172715
   (1) 458-1051 Position Sensor As (2) 515-8578 Bracket As (5) 266-3316 Bolts

2. Secure 515-8578 Bracket As (2) and 458-1051 Position Sensor As (1) to the right side of the coupler assembly. Use two 266-3316 Bolts (5) and torque the bolts to 40 +4/-0 N·m (30 +3/-0 lb ft).
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   Illustration 6	g03733003
   View right rear of machine (A) Tilt Lines Gp. (6) 441-4814 Harness As

3. Feed the LE-C3 connector from 441-4814 Harness As (6) through the right-hand lift arm from the rear of the machine so that 441-4814 Harness As (6) can be pulled down much easier by gravity. Route 441-4814 Harness As (6) along the Tilt Lines Gp.

   Note: The LE-C1 Connector from 441-4814 Harness As (6) will have to be routed through a different location on the right lift arm. Do not to feed the LE-C1 connector along with the LE-C3 connector through the insideof the lift arm until indicated later in this procedure.

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   Illustration 7	g03733017

4. Remove the Cover from the right-hand lift arm by removing the Screws and the Bolt on top and on the side of the Cover. Set aside for reinstallation later.
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   Illustration 8	g03733024
   Underside view of right lift arm of machine (Some components removed for clarity) ( A) Tilt Lines Gp. (B) Cross plate (6) 441-4814 Harness As

5. Pull the end of 441-4814 Harness As (6) from underneath the right-hand lift arm and continue to route 441-4814 Harness As (6) towards the slot on the Cross Plate (B) that joins the lift arms in front of the machine. Refer to Illustration 8.

   Note: The lower portion of the Harness As. routed through the Cross Plate should be thicker.

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   Illustration 9	g06172722
   (B) Cross plate (1) 458-1051 Position Sensor As (2) 515-8578 Bracket As (6) 441-4814 Harness As (7) 7K-1181 Cable Strap

6. Continue to route the Harness As. from the hole behind the Cross Plate (B) that joins the lift arms and then pull the 441-4814 Harness As (6) towards the previously installed 458-1051 Position Sensor As (1). Connect the 458-1051 Position Sensor As (1) to the LE-C3 connector on 441-4814 Harness As (6). Secure the connection with one 7K-1181 Cable Strap (7) to the slot on 515-8578 Bracket As (2). Ensure that the electrical connection matches the one shown on Table 4.
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   Table 4

   441-4814 Harness As. Connector LE-C3 to 458-1051 Inclinometer Connector
   Position	Wire Name	Color - Gage
   1	P769-LE3	YL-16-GXL
   2	P770-LE5	WH-16-GXL
   3	A426-LE10	BU-16-GXL
   4	Not used	Not used

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   Illustration 10	g03733498
   (Some components removed for clarity) ( C) 7X-0818 Bolt (D) 239-9833 Plate (E) 140-1339 Clamp (6) 441-4814 Harness As

7. Secure 441-4814 Harness As (6) onto the Coupler by removing the existing 7X-0818 Bolt (C), 239-9833 Plate (D), and 140-1339 Clamp (E) on top of the coupler. Route 441-4814 Harness As (6) through the empty slot on the clamp closest to the right side of the machine. Reinstall the clamp, plate, and bolt. Repeat this process for the second clamp located underneath the Cross Plate that joins the lift arms.

   Note: The thicker portion of 441-4814 Harness As (6) should fit in between both sets of clamps as indicated in Illustrations 8 and 10. The thinner portion should be routed through the inside of the lift arms. This step ensures that the proper amount of slack is created to accommodate the rotation of the bucket and/or work tool.

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   Illustration 11	g03733535
   (A) Tilt Lines Group (6) 441-4814 Harness As (8) 178-3620 Straps

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   Illustration 12	g03733542
   Close up view of (F) ( A) Tilt Lines group (6) 441-4814 Harness As (8) 178-3620 Straps

8. Use eight 178-3620 Straps (8) to secure 441-4814 Harness As (6) to Tilt Lines group (A) on the locations shown in Illustrations 11 and 12.
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   Illustration 13	g03733688
   Underside view of top of right lift arm of machine (6) 441-4814 Harness As (9) 6P-6641 Grommet

9. Route the LE-C1 Connector from 441-4814 Harness As (6) through the bottom hole of the Tube As. of the lift arm as indicated in Illustration 13. Continue routing the Connector through the widest hole on the bottom Plate of the lift arm. Loop the LE-C1 Connector through the 6P-6641 Grommet (9) and install onto the bottom hole of the lift arm as shown.
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   Illustration 14	g03733706
   (A) Tilt Lines Group (6) 441-4814 Harness As (7) 7K-1181 Cable Strap

10. Use one 7K-1181 Cable Strap (7) to secure 441-4814 Harness As (6) onto the Tilt Lines Group Lines (A) inside the right lift arm on the location indicated in Illustration 14

11. Start the machine, raise the lift arms, and secure the arms with the service brace. Refer to the proper Disassembly and Assembly Manual for your machine. See section "Reference Material" for more details.

12. Lift the cab and secure. Refer to the proper Disassembly and Assembly Manual for your machine. See section "Cab Tilt" for more details.

13. Release the system pressure before continuing the installation. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release"" for the proper procedure.
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    Illustration 15	g03733762
    (A) Tilt Lines Group. (6) 441-4814 Harness As (7) 7K-1181 Cable Straps (8) 178-3620 Straps

14. Continue routing the other side of 441-4814 Harness As (6) down the right tower of the machine following Tilt Lines Gp. towards the Implement Valve. Secure 441-4814 Harness As (6) to the Tilt Lines Gp (A) using four 178-3620 Straps (8) and three 7K-1181 Cable Straps (7) , as shown in Illustration 15.
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    Illustration 16	g06007512
    (17) LE-C4 connection (6) 441-4814 Harness As (10) 3J-1907 O-Ring (11) 344-7391 Pressure Sensor Gp

15. Install the 3J-1907 O-Ring (10) onto 344-7391 Pressure Sensor Gp (11). Install 344-7391 Pressure Sensor Gp (11) into the lower port of the 451-0482 Tee As (17) connected on the Implement Valve. Refer to Illustration 16.

16. Connect the LE-C4 connector on 441-4814 Harness As (6) to 344-7391 Pressure Sensor Gp (11) and ensure that the configuration matches the one provided in Table 5
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    Table 5

    441-4814 Harness As. Connector LE-C4 to 344-7391 Pressure Sensor Connector
    Position	Wire Name	Color-Gage
    1	P769-LE12	YL-16-GXL
    2	P770-LE11	WH-16-GXL
    3	E416-LE7	PU-16-GXL

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    Illustration 17	g03733847
    (Some Cab components removed for clarity) ( H) C-C25 connector (J) LE-C2 connector (6) 441-4814 Harness As (12) 3S-2093 Cable Strap

17. Remove the 374-7466 Seal Cap (not shown) from the C-C25 connector (H) on the 422-5580 Cab Harness As and discard. Connect the LE-C2 connector (J) on 441-4814 Harness As (6) to the C-C25 connector on 422-5580 Cab Harness As. Secure the connectors to the harness with one 3S-2093 Cable Strap (12). Refer to Illustration 17.

18. Ensure that the configuration of the C-C25 connector matches the configuration that is provided in Table 6.
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    Table 6

    441-4814 Harness As. Connector LE-C2 to 422-5580 Cab Harness As. Connector C-C25
    Position	Wire Name	Color-Gage
    1	P769-LE1	YL-16-GXL
    2	P770-LE4	WH-16-GXL
    3	A426-LE10	BU-16-GXL
    4	T867-LE8	BU-16-GXL
    5	T868-LE9	YL-16-GXL
    6	E416-LE7	PU-16-GXL

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    Illustration 18	g03734152
    (K) C-C9 connector (L) LE-C5 connector (6) 441-4814 Harness As (12) 3S-2093 Cable Strap

19. Connect the LE-C5 connector (L) to the C-C9 connector (K) on the Cab Harness As. and ensure that the configuration matches the one provided on Table 7. Strap this connection using one 3S-2093 Cable Strap (12)
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    Table 7

    441-4814 Harness As. Connector LE-C5 to 422-5580 Cab Harness As. Connector C-C9
    Position	Wire name	Color-Gage
    A	117-LK1	YL-16-GXL
    B	200-LK2	BK-18-GXL
    C	C530-LK3	YL-18-GXL

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    Illustration 19	g03734719
    (A) Tilt Lines Gp. (6) 441-4814 Harness As (7) 7K-1181 Cable Straps

20. Use three 7K-1181 Cable Straps (7) to secure 441-4814 Harness As onto Lines Gp. (A) and the Cab Harness As. at the locations shown in Illustration 19.

21. If the serial number of the machine where this kit is being installed is listed in Table 8, then install 422-5585 Sensor Harness As (23) as indicated in Steps 21a through 21c. If the serial number of the machine is not listed in Table 8, then proceed with Step 22.

    Note: This harness will have to be ordered for the 257D and 259D kits.

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    Table 8

    Machines With Old Wire Harness
    Machine Model	Machine Serial Number
    242D	S/N:DZT1-656
    242D	S/N:DML1-189
    242D	S/N:A9W1-212
    257D	S/N:EZW1-433
    257D	S/N:FMR1-176
    257D	S/N:EML1-120
    259D	S/N:FTL1-1657
    259D	S/N:FTK1-427
    259D	S/N:GTK132

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    Illustration 20	g03853573
    (7) 7K-1181 Cable Strap (23) 422-5585 Sensor Harness As (20) 266-2337 Position Sensor Gp

    1. Connect the terminal from the Position Sensor Gp (20) onto the LT-C1 connector on harness (23). Ensure that the connection matches the one on Table 9. Route harness (23) by following the tilt lines group towards the cab harness assembly as shown in Illustration 20.
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       Table 9

       422-5585 Harness As Connector LT-C1 to Mounting and Sensor Gp Connector
       Position	Wire Name	Color - Gage
       A	117-LT1	YL-16-GXL
       B	200-LT2	BK-18-GXL
       C	C530-LT3	YL-18-GXL

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       Illustration 21	g03853640
       View from rear of machine (12) 3S-2093 Cable Strap (7) 7K-1181 Cable Strap (C) ECM Module (D) Power Relay Module (23) 422-5585 Sensor Harness As

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       Illustration 22	g03853644
       Detail of ECM connections for wire on harness (18) ( Connectors with sockets) (E) Connection J1-22 (F) Connection J1-63 (23) 422-5585 Sensor Harness As

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       Illustration 23	g03853647
       Detail of Power Relay connection for wire on harness (23) (Connector with terminal) (G) PRM Switched Power (60A Fuse) (23) 422-5585 Sensor Harness As

    2. Continue to route harness (23) by following the cab harness towards the top connector on the ECM Module, as shown in Illustration 22 . Remove the top shelf on the ECM Module and connect the two wires with the connecting sockets from harness (23) as indicated in Table 10. Connect the wire with the terminal to the power relay module located to the right of the ECM Module as indicated in Table 10. Refer to Illustration 21, Illustration 22 , and Illustration 23 for details.

       Note: The Pin Connector (DRCP Connector) on the ECM Module must be disassembled in order for the connections from harness (23) to be securely tight and properly connected. For troubleshooting or to prevent any issues after connecting the wires on harness (23) refer to Special Instructions, REHS7852, "DRCP Connector (D-Series Machine ECM) Repair Service Instruction".

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       Table 10

       422-5585 Harness As Connector LT-C1 to Mounting and Sensor Gp Connector
       Wire Name	Color - Gage	Connect to:
       117-LT1	YL-16-GXL	Power Relay Module Switched Power Stud (60A Fuse)
       200-LT2	BK-18-GXL	J1-22 (Ground)
       C530-LT3	YL-18-GXL	J1-63 (Rotary Sensor)

    3. Strap harness (18) with four 3S-2093 Cable Straps (12) and four 7K-1181 Cable Straps (7) on the locations shown in Illustrations 21, and 22.
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    Illustration 24	g03734771
    (A) Tilt Lines Gp. (M) Platform harness as. (6) 441-4814 Harness As (11) 344-7391 Pressure Sensor Gp (12) 3S-2093 Cable Strap

22. Use two 3S-2093 Cable Straps (12) to secure 441-4814 Harness As (6) onto the locations on the Hose from the Tilt Lines Gp. (A) shown in Illustration 24. Use one 3S-2093 Cable Strap (12) to secure the cable from the 344-7391 Pressure Sensor Gp (11) onto the cable from the Platform Harness As. (M) as shown in Illustration 24.

    Note: The 422-3183 Position Sensor and Mounting Gp. (13) is not pre-assembled. Assemble 422-3183 Position Sensor and Mounting Gp. (13) as per the steps indicated in "Appendix A" of these instructions before proceeding.

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    Illustration 25	g06048873
    (4) 8T-4224 Hard Washer (5) 266-3316 Bolt (13) 422-3183 Position Sensor and Mounting Gp. (14) 421-0131 Bracket (15) 266-3316 Bolt

23. Install the 422-3183 Position Sensor and Mounting Gp. (13) onto the Link assembly on the right tower and onto the lift arm by using the two 8T-4189 Bolts (15) and 8T-4224 Hard Washers (4) provided and as shown in Illustration 25. Use three 266-3316 Bolts (5) to attach the 421-0131 Bracket (14) to the lift arm and torque all the bolts to 40 +4/-0 N.m (30 +3/-0 lb ft).
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    Illustration 26	g03734838
    (6) 441-4814 Harness As (13) 422-3183 Position Sensor and Mounting Gp.

24. Connect the terminal from the 422-3183 Position Sensor and Mounting Gp. (13) onto the LE-C1 Connector on the 441-4814 Harness As (6), as shown in Illustration 26, and ensure that the connection matches the one on Table 7.

25. Lower the cab. Refer to the proper Disassembly and Assembly Manual for your machine. See section "Reference Material" for more details.
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    Illustration 27	g03734880
    (N) Switch cover (P) Control panel (Q) Plug

26. Enter the Cab and locate the Switch cover (N), which is part of Control panel (P). Remove the Switch cover (N) from the control panel (P).

    Note: Movement of the Switch cover (N) will be hindered by the connections behind the cover. Exercise caution when removing Switch cover (N).

    Note: Use a thin blade screwdriver to release the locking tab on the sides of the Switch cover (N). Then, withdraw the Switch cover (N) from Control panel (P).

27. Switch Cover (N) has provisions for four rocker switches. Remove the 109-2356 Plug (Q) from the location on Switch Cover (N) shown in Illustration 27 (Second slot counting from front to rear).
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    Illustration 28	g03734893
    (16) 263-5417 Rocker Switch

28. Carefully pull out the L-C10 Connector from the Panel Harness As. by pushing the Connector from the back of the Switch Cover. Install the 263-5417 Rocker Switch (16) onto the L-C10 Connector and push 263-5417 Rocker Switch (16) into the new opening from the front of the Switch Cover (N). Push 263-5417 Rocker Switch (16) until the locking tabs are engaged. Refer to Illustration 28. Ensure that the connection corresponds to the one in Table 11.
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    Table 11

    263-5417 Rocker Switch to Panel Harness L-C10 Connector
    Position	Wire Name	Color-Gage
    1	F905-L18	YL-18-GXL
    2	117-L146	YL-14-GXL
    3	Not used	Not used
    4	Not used	Not used
    5	Not used	Not used
    6	Not used	Not used
    7	200-L19	BK-18-GXL
    8	614-L20	PU-18-GXL
    9	Not used	Not used
    10	Not used	Not used

29. Reinstall Switch cover (N) back into Control panel (P).

Machine Configuration

Note: Ensure that the machine ECM has the latest software available installed. The Self-Level feature requires 464-6052 Machine Software Gp or later (See 361-6395 Electronics Gp.).

The 523-4907 Work Tool Positioner Kit is a premium feature that must be configured using the Caterpillar Electronic Technician (Cat ET) Tool.

1. Connect the CAT ET Tool to the machine. Turn the start key to the ON position. Do not start the engine.

2. Start the CAT ET software and select the machine "ECM".
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   Illustration 29	g03735007

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   Illustration 30	g03735009

3. From the menu select "Service" > "Configuration" > "Self Level" . Alternatively, press "F5" or click on the "Configuration" icon on the menu bar. Refer to Illustrations 29 and 30.
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   Illustration 31	g03735168

4. Notice that the Self-Level features are not installed. In the configuration screen, double-click on the "Work Tool Self Level System Installation Status" link, as shown in Illustration 31.

5. In the pop-up window, change the New Value field from "Not Installed" to "Installed" on the drop-down menu. Click "OK" .
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   Illustration 32	g03735174

6. Access the CAT Factory Password System (FPS) at https://fps.cat.com on the pop-up window that appears to obtain the required passwords, as shown in Illustration 32.

7. Enter the obtained passwords into the fields labeled "Factory Password #1" and "Factory Password #2".
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   Illustration 33	g03735216

8. Double-click on the "Lift Linkage Sensor Configuration" link as shown in Illustration 33.

9. In the Pop-up window, change the New Value field from "Not Installed" to "Rotary Position Sensor". Click "OK".
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   Illustration 34	g03735227

10. Double-click on the "Raise Snubbing Enable Status" link as shown in Illustration 34.

11. In the Pop-up window, change the New Value field from "Disabled" to "Enabled" . Click "OK".

12. Turn the start key to the OFF position and wait at least 30 seconds. Turn the start key back to the ON position. The new feature will be activated on the next power cycle.

13. Repeat Step 3 and ensure that all the Self-Level features are installed.

RTD (Return to Dig) Machine Configuration (Optional)

Note: Ensure that the machine ECM has the latest software available installed. The Self-Level feature requires 464-6052 Machine Software Gp or later (See 361-6395 Electronics Gp).

The 523-4907 Work Tool Positioner Kit is a premium feature that must be configured using the Caterpillar Electronic Technician (Cat ET) Tool. This feature consists of two additional modes: "Work Tool Positioner" Mode enables the work tool to return automatically to an operator selectable preset angle. "Return to Dig" enables the work tool to both return automatically to an operator selectable preset angle and automatically lowers the lift arms to the stops. Refer to the proper Operation and Maintenance Manual for your machine for more information on using these modes.

1. Connect the CAT ET tool to the machine. Turn the start key to the ON position. Do not start the engine.

2. Start the CAT ET software and select the machine "ECM".

3. From the menu select "Service" > "Configuration" > "Self Level" . Alternatively, press "F5" or click on the "Configuration" icon on the menu bar. Refer to "Machine Configuration" Illustrations 29 and 30.
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   Illustration 35	g03735257

4. Notice that the "Return to Dig" feature is not installed. In the configuration screen, double-click on the "Return to Dig Feature Installation Status" link, as shown in Illustration 35.

5. In the Pop-up window, change the New Value field from "Not Installed" to "Installed" on the drop-down menu. Click "OK".

6. Access the CAT Factory Password System (FPS) at https://fps.cat.com on the pop-up window that appears to obtain the required passwords. Refer to "Machine Configuration" Illustration 32.

7. Enter the passwords into the fields labeled "Factory Password #1" and "Factory Password #2".

8. Turn the start key to the OFF position and wait at least 30 seconds. Turn the start key back to the ON position. The new feature will be activated on the next power cycle.

9. Repeat Step 3 and ensure that all the Self-Level features are installed.

Appendix A: Assembly Procedure for the 422-3183 Sensor and Mounting Gp.

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Illustration 36	g03735280
(17) 422-3182 Sensor Link As. (18) 421-0128 Bracket As. (4) 8T-4224 Hard Washer (19) 5C-7261 Nut

1. Insert either end of 422-3182 Sensor Link As. (17) onto the shorter bent side of the 421-0128 Bracket As. (18) and secure using one 8T-4224 Hard Washer (4) and one 5C-7261 Nut (19). Tighten the Nut to 15 ± 3 N·m (11 ± 2.2 lb ft). Refer to Illustration 36.
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   Illustration 37	g03735289
   (18) 421-0128 Bracket As. (20) 266-2337 Position Sensor Gp (21) 5H-3182 Spring Pin

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   NOTICE
   Applying excessive force to the Position Sensor shaft while inserting the Pin can cause the shaft to be damaged. Care must be taken to support the bracket assembly while inserting the pin. Pin may also be driven with a mallet, but driving the pin is not recommended

2. Insert the other end of 421-0128 Bracket As. (18) onto the shaft on the 266-2337 Position Sensor Gp (20) as shown in Illustration 37. Insert 5H-3182 Spring Pin (21) into the driver on the Bracket As (18) and through the shaft of the Position Sensor (20).
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   Illustration 38	g03735309
   (17) 422-3182 Sensor Link As. (4) 8T-4224 Hard Washer (19) 5C-7261 Nut (22) 422-3175 Bracket

3. Insert 422-3175 Bracket (22) to the free end of 422-3182 Sensor Link As. (17) as shown in Illustration 38. Secure using one 8T-4224 Hard Washer (4) and one 5C-7261 Nut (19). Tighten the Nut to 15 ± 3 N·m (11 ± 3 lb ft).
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   Illustration 39	g03735316
   (4) 8T-4224 Hard Washers (19) 5C-7261 Nuts (20) 266-2337 Position Sensor Gp (14) 421-0131 Bracket (23) 8T-4197 Bolts

4. Install 421-0131 Bracket (14) onto the back of 266-2337 Position Sensor Gp (20) with the flange of Bracket (14) oriented as shown in Illustration 39. Secure the Bracket using five 8T-4197 Bolts (23) and five 8T-4224 Hard Washers (4) on one side, and five 5C-7261 Nuts (19) and five 8T-4224 Hard Washers (4) on the opposite side. Insert the Bolts in the direction shown in Illustration 39.