Procedure for Replacing Limit Switch As Used on Certain Cat® Products{1435} Caterpillar

Procedure for Replacing Limit Switch As Used on Certain Cat® Products{1435}

Usage:

910F 2SS

Agricultural Tractor:: 65C DD/PS MTS (S/N: 2ZJ1-UP); 70C (S/N: 2YL1-UP); 75C DD/PS MTS (S/N: 4KK1-UP); 75D DD/PS MTS (S/N: 5AR1-UP); 85C (S/N: 9TK1-UP); 85D DS DD/PS MTS (S/N: 4GR1-UP); DV87 (S/N: 9AM1-UP)
Integrated Toolcarrier:: IT12F (S/N: 6RS1-UP)
Wheel Loader:: 910F (S/N: 2SS1-UP); 988F Series II (S/N: 2ZR1-UP); 988F (S/N: 8YG1-UP); 992D (S/N: 7MJ1-UP); 994 (S/N: 9YF1-UP); 994D (S/N: 3TZ1-UP)

Introduction

This Special Instruction provides the necessary information to replace 9X-4232 Limit Switch As change level - 02 with a new 9X-4232 Limit Switch As change level - 03.

Do not perform any procedure in this Special Instruction until you have read this entire Special Instruction and you understand this information.

Important Safety Information

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 in order to perform these functions properly.

Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.

Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Ensure that any tool, procedure, work method, or operating technique you use that is not recommended by Caterpillar is safe.

Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.

Show/hide table

Do not operate or work on this equipment unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in serious injury or death.

Show/hide table

Personal injury or death can result from improper assembly procedures.

Do not attempt any assembly until you have read and understand the assembly instructions.

Show/hide table

Accidental engine starting can cause injury or death to personnel working on the equipment.
To avoid accidental engine starting, disconnect the battery cable from the negative (−) battery terminal. Completely tape all metal surfaces of the disconnected battery cable end in order to prevent contact with other metal surfaces which could activate the engine electrical system.

Place a Do Not Operate tag at the Start/Stop switch location to inform personnel that the equipment is being worked on.

Show/hide table

Failure to connect the unit to a suitable grounding electrode will result in electrical shock and will cause injury or death.

Show/hide table

Working with electrical circuits is hazardous. Bodily contact with electrical potential will cause personal injury or death. Ensure that personnel are trained in proper operating procedures in order to ensure safe operation.

Required Tools

The tools that are required for replacing 9X-4232 Limit Switch As change level - 02 with a new 9X-4232 Limit Switch As change level - 03 listed below:

Philips screw driver
Torque wrench

Required Parts

The parts that are required for replacing 9X-4232 Limit Switch As change level - 02 with a new 9X-4232 Limit Switch As change level - 03 listed in Table 1.

Show/hide table

Table 1
Qty	Part Number	Description
1	9X-4232	Limit Switch As change level - 03

Replacement Procedure

Perform the following procedure for replacing 9X-4232 Limit Switch As change level - 02 with a new 9X-4232 Limit Switch As change level - 03:

Disconnecting and Removing Obsolete Limit Switch As

Perform the following procedure for disconnecting and removing obsolete 9X-4232 Limit Switch As change level - 02:

Show/hide table




Illustration 1	g03340448
Obsolete 9X-4232 Limit Switch As change level - 02 electrical terminal connections (1) Terminal 1 - "Common" (2) Terminal 3 - "Normally Closed"

Disconnect ring terminal 1 from the "Common" connection (1), and ring terminal 3 from the "Normally Closed" connection (2). Refer to Illustration 1 for terminal locations.

Remove the obsolete 9X-4232 Limit Switch As change level - 02 and discard.

Installing New Limit Switch As

Perform the following procedure for installing 9X-4232 Limit Switch As change level - 03:

Show/hide table




Illustration 2	g03340457
9X-4232 Limit Switch As change level - 03 (3) Outside nut and lockwasher (4) Mounting screw (5) Actuator roller

Note: The 9X-4232 Limit Switch As change level - 03 comes assembled with 418-1248 Adapter Plate , and 9B-7233 Lockwashers and 6V-8376 Screws affixed with a thread-lock agent. There is no need to disassemble before installation. Refer to Illustration 2.

Remove the outside nut and lockwasher (3) from the two mounting screws (4) on the 9X-4232 Limit Switch As change level - 03 and set aside.

Slide the two mounting screws (4) through the machine bracket.

Insure that the actuator roller (5) is in the same position the 9X-4232 Limit Switch As change level - 02 roller was before removal.

Replace one lockwasher and one nut on each mounting screw (4) on the other side of the machine bracket.
Note: Torque to 0.32 ± 0.02 N·m (0.24 ± 0.015 lb ft)

Connecting New Limit Switch As

Perform the following procedure for connecting 9X-4232 Limit Switch As change level - 03:

Show/hide table




Illustration 3	g03340479
New 9X-4232 Limit Switch As change level - 03 electrical terminal connections (6) Terminal 1 - "Common" (7) Terminal 3 - "Normally Closed"

Note: The electrical terminals on the new 9X-4232 Limit Switch As change level - 03 are arranged differently from the electrical terminals on the 9X-4232 Limit Switch As change level - 02.