Installation Instructions for the 282-9956 Cushion Swing Conversion Ar (Kit){5057, 5105, 5454} Caterpillar

Backhoe Loader:

416E (S/N: LMS1-UP)

416E (S/N: SHA1-UP; BWC1-UP)

Introduction

ReferenceRefer to the Disassembly and Assembly manual for your machine.

This special instruction contains the information that is needed in order to install the 282-9956 Cushion Swing Conversion Ar (Kit). Installing the kit will minimize the movement of the boom at the end of a swing movement. The swing cushion valves relieve the pressures that cause this undesired motion.

Before performing the conversion that is outlined in this Special Instruction, ensure that you understand the information that is contained in the Special Instruction.

Required Parts

The parts that are required for the field installation of the 282-9956 Cushion Swing Conversion Ar (Kit) are identified in Table 1.

Installation

Show/hide table

Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.

1. Move the machine to a smooth, horizontal location. Move the machine away from other operating machines and away from personnel.

2. Engage the parking brake.

3. Lower the work tools to the ground. Stop the engine.

4. Release hydraulic system pressure.

   Note: Refer to "Hydraulic System Pressure - Release" in the Disassembly and Assembly manual for your machine.

Illustration 1	g01285274
Front view of the boom swing cylinders (2) 206-3685 Relief Valve (cushion crossover) (11) Swing Valve (12) Swing Cylinders

Illustration 2	g01286335
Swing cushion valve (1) 187-2120 Elbow As (2) 206-3685 Relief Valve (cushion crossover) (3) 226-5634 Connector As (4) 269-0471 Hose As (5) 269-0472 Hose As (7) 8T-4224 Hard Washer (8) 8T-6870 Bolt

Illustration 3	g01286332
Swing cushion valve (1) 187-2120 Elbow As (2) 206-3685 Relief Valve (cushion crossover) (3) 226-5634 Connector As (4) 269-0471 Hose As (5) 269-0472 Hose As (7) 8T-4224 Hard Washer (8) 8T-6870 Bolt

1. Line up the location of the 206-3685 Relief Valve (cushion crossover) (2) to the frame. Secure the Relief Valve (2) with Bolts (8) and the Washers (7) .

2. Install the 226-5634 Connector As (3) into the Relief Valve (2) .

3. Install 187-2120 Elbow As (1) into Connector As (3) .

4. Install 269-0471 Hose As (4) into the Elbow As (1).

5. Install 269-0472 Hose As (5) into the Elbow As (1) .

Illustration 4	g01285880
Side view of the boom swing cylinder (2) 206-3685 Relief Valve (cushion crossover) (4) 269-0471 Hose As (5) 269-0472 Hose As (12) Swing Cylinders

Illustration 5	g01285857
Top view of the boom swing cylinders (2) 206-3685 Relief Valve (cushion crossover) (4) 269-0471 Hose As (5) 269-0472 Hose As (9) Hose As (10) Hose As (11) Swing Valve (12) Swing Cylinders

Illustration 6	g01286022
Boom swing cylinders (2) 206-3685 Relief Valve (cushion crossover) (4) 269-0471 Hose As (5) 269-0472 Hose As (6) 148-8428 Tee As (9) Hose As (10) Hose As (12) Swing Cylinders

1. Disconnect the end of hydraulic hose (9) that connects into the top port of the swing valve in the control valve bank.

2. Disconnect the end of hydraulic hose (10) that connects into the bottom port of the swing valve in the control valve bank.

3. Insert 148-8428 Tee As into the top port of the swing valve (11).

4. Insert 148-8428 Tee As into the bottom port of the swing valve (11).

5. Reinstall the hydraulic hose (9) into the top of Tee As (6) that connects to the top port of the swing valve (11) .

6. Reinstall the hydraulic hose (10) into the bottom of Tee As (6) that connects to the bottom port of the swing valve (11) .

7. Install 269-0471 Hose As (4) into the front of Tee As (6) that connects to the bottom port of the swing valve (11) .

8. Install 269-0472 Hose As (5) into the front of Tee As (6) that connects to the top port of the swing valve (11) .