24 Motor Grader Machine Systems Caterpillar

Bracket (Circle) - Remove and Install

Usage:

24 E9Z

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	FT-1115	Vacuum Cap	1
B	422-2352	Jack Stand Gp	2
C	5P-7288	Sleeve	1
	4C-9633	Puller Stud	1
	9U-6833	Nut	1
	6V-3160	Double Acting Cylinder	1
	350-7768	Electric Hydraulic Pump Gp	1
D	154-7386	Puller Plate	1
E	5P-7288	Sleeve	1
	350-7768	Electric Hydraulic Pump Gp	1
	9U-5344	Puller Stud	1
	9U-5346	Nut	1
	6V-3175	Double Acting Cylinder	1

Start By:

Remove the blade assembly.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat^® products. Dispose of all fluids according to local regulations and mandates.

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies, to prevent fluid loss and keep contaminants from entering the system.

Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
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Illustration 1 g06283123
Install Tooling (A) onto the hydraulic tank. Attach an air supply hose onto Tooling (A). Apply 138 kPa (20 psi)to pull a vacuum on the hydraulic system.
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Illustration 2 g01456945
Disconnect grease hose assembly (1) and remove the connecting hardware. Disconnect grease hose assembly (2) and remove the connecting hardware. Remove clamps (3). Disconnect hose assemblies (4).
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Illustration 3 g01456975
Disconnect grease hose assembly (5). Remove clamps (7). Repeat this step for the opposite side.
Remove guard assembly (6).
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Illustration 4 g01458891
Use Tooling (B) and suitable blocking to support bracket assembly (8). The weight of bracket assembly (8) is approximately 785 kg (1730 lb).
Disconnect the air supply from Tooling (A).
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Illustration 5 g01457104

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Illustration 6 g01457220
Remove bolt (9). Use Tooling (C) and a suitable lifting device to remove pin assembly (10). Start the engine. Retract cylinder (11).
Stop the engine.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Connect the air supply onto Tooling (A).
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Illustration 7 g01457269
Remove bolts (12), plate (13), and shims (14).
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Illustration 8 g01457975
Remove bolts (15), plate (16), and shims (17).
Repeat Step 7 through Step 13 for the opposite side.
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Illustration 9 g01457403

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Illustration 10 g01457404
Install Tooling (D) and bolts (12) onto pin (18).
Use Tooling (D), Tooling (E), and a suitable lifting device to remove pin (18).
Remove bolts (12) and Tooling (D) from pin (18).
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Illustration 11 g01457423
Remove spacer (19).
Repeat Step 15 through Step 18 for the opposite side.
Disconnect the air supply from Tooling (A).
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Illustration 12 g01457804
Start the engine. Use the hydraulic system to remove bracket assembly (8) from circle assembly (20). Position bracket assembly (8) out of the way.
Lower circle assembly (20) to the ground. Stop the engine.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Connect the air supply onto Tooling (A).

Installation Procedure

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
A	FT-1115	Vacuum Cap	1
B	422-2352	Jack Stand Gp	2
D	154-7386	Puller Plate	1
F	350-7768	Electric Hydraulic Pump Gp	1
	9U-5344	Puller Stud	1
	9U-5346	Nut	1
	6V-3175	Double Acting Cylinder	1
G	6V-7030	Micrometer Depth Gauge Group	1
H	8T-0447	Dial Caliper	1

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Disconnect the air supply from Tooling (A).
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Illustration 13 g01457804

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Illustration 14 g01457183
Start the engine. Raise circle assembly (20). Position bracket assembly (8) onto Tooling (B) and suitable blocking. Lower circle assembly (20) to position circle assembly (20) onto bracket assembly (8). The weight of bracket assembly (8) is approximately 785 kg (1730 lb).
Stop the engine.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Connect the air supply onto Tooling (A).
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Illustration 15 g01457423
Install spacer (19).
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Illustration 16 g01460228

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Illustration 17 g01460229
Install Tooling (D) and bolts (12) onto pin (18). Use Tooling (D) and Tooling (F) to install pin (18). Remove bolts (12) and Tooling (D) from pin (18).
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Illustration 18 g01458073
Install plate (16) and bolts (15). Tighten bolts (15) to a torque of 270 ± 40 N·m (199 ± 30 lb ft).
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Illustration 19 g01458007
Use Tooling (G) to measure the thickness of plate (13). Record the measurement as dimension (A). Install plate (13) and two of bolts (12). Use Tooling (H) to measure the distance between the surface of plate (13) and the end of pin (18). Record the measurement as dimension (B). Subtract dimension (A) from dimension (B) and record the result as the average gap.
Remove two of bolts (12) and plate (13).
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Illustration 20 g01458075

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Illustration 21 g01457269
Remove bolts (15) and plate (16). Install a thickness of shims (17) and shims (14) that is equal to the average gap +0.05 - 0.00 mm (+0.0020 - 0.0000 inch). Split the number of shims equally between both sides of the pin. Install plate (16) and bolts (15). Tighten bolts (15) to a torque of 270 ± 40 N·m (199 ± 30 lb ft). Install plate (13) and bolts (12). Tighten bolts (12) to a torque of 270 ± 40 N·m (199 ± 30 lb ft).
Disconnect the air supply from Tooling (A).
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Illustration 22 g01457104
Start the engine. Extend cylinder (11). Use Tooling (C) and a suitable lifting device to install pin assembly (10). Install bolt (9).
Stop the engine.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Connect the air supply onto Tooling (A).
Repeat Step 6 through Step 16 for the opposite side.
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Illustration 23 g01458891
Remove Tooling (B) and the suitable blocking from bracket assembly (8).
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Illustration 24 g01456975
Install guard assembly (6). Install clamps (7). Connect grease hose assembly (5). Repeat this step for the opposite side.
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Illustration 25 g01456945
Connect hose assemblies (4). Install clamps (3). Connect grease hose assembly (2) and install the connecting hardware. Connect grease hose assembly (1) and install the connecting hardware.
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Illustration 26 g06283123
Remove Tooling (A) and replace the cap on the hydraulic tank.