450E Backhoe Loader Machine Systems Caterpillar

Extendable Stick - Remove and Install

Usage:

450E EBL

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	8S-7615	Pin	1
	8S-7641	Stand	1
	8S-7641	Tube	1
B	1U-9200	Lever Puller Hoist	1
C	5P-2145	Puller Adapter	1
	6V-3160	Tool Cylinder	1
	1A-1935	Full Nut	1
	5P-8250	Hard Washer	1
	5P-4776	Stud	1
	6D-7726	Hose Assembly	2
	3S-6224	Electric Hydraulic Pump	1
		Sleeve with an outside diameter of 76 mm. (3 inch) and a length of 76 mm. (3 inch).	1
D	1P-1834	Bearing Puller Adapter	1
	4C-9634	Puller Stud	1
	9U-6832	Nut	1
	6V-3170	Double Acting Cylinder	1
	3S-6224	Electric Hydraulic Pump Gp	1
	4K-0684	Hard Washer	1

Start By:

Remove the bucket linkage. Refer to Disassembly and Assembly, "Bucket Linkage - Remove and Install".
Remove the bucket cylinder. Refer to Disassembly and Assembly, "Bucket Cylinder - Remove and Install".

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Illustration 1	g01250146
Typical Example

Fully extend the extendable stick and place the stick on Tooling (A).
Release the pressure in the hydraulic oil system. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".
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Illustration 2 g01381264
Remove bolts (1) and bracket (2).
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Illustration 3 g01381272
Remove bolts (5). Place bracket (4) and hose assemblies (3) onto the boom.
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Illustration 4 g01251311
Remove bolts (7) and cover (6).
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Illustration 5 g01251312

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Illustration 6 g01251313
Place suitable cribbing (9) under the rod end of extendable stick cylinder (8).
Remove pin (10). Remove suitable cribbing (9) that was installed in the previous step. Fully retract the extendable stick cylinder.
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Illustration 7 g01381251

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Illustration 8 g01381252
Install pin (11) that held the head end of the bucket cylinder. Attach Tooling (B) and a suitable lifting device to extendable stick (12). The weight of extendable stick (12) is approximately 340 kg (750 lb). Loosen bolts (13) in order to loosen the wear pads. Remove bolts (15) and remove block (14). Remove bolts (16).
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Illustration 9 g01381253
Remove bolts (17).
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Illustration 10 g01381254

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Illustration 11 g01381255
Remove extendable stick (12). Pad (18) will remain with the stick.
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Illustration 12 g01251438

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Illustration 13 g01251385
Use Tooling (D) in order to remove bearing (19). Use Tooling (C) in order to remove bearing (20).

Installation Procedure

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
E	1P-0520	Driver Gp	1

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Illustration 14	g01251438

Lower the temperature of bearings (19) and (20). Use Tooling (E) in order to install bearings (19) and (20).
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Illustration 15 g01381255
Be sure that pad (18) is in the correct position.
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Illustration 16 g01381254

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Illustration 17 g01381251
Install pin (11) that held the head end of the bucket cylinder. Attach Tooling (B) and a suitable lifting device to extendable stick (12). The weight of extendable stick (12) is approximately 340 kg (750 lb). Install extendable stick (12). Tighten bolts (13) in order to tighten the wear pads.
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Illustration 18 g01381252
Install block (14). Install bolts (15). Install bolts (16).
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Illustration 19 g01251312
Position suitable cribbing (9) and extend stick cylinder (8).
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Illustration 20 g01251313
Install pin (10).
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Illustration 21 g01251311
Install cover (6) and bolts (7).
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Illustration 22 g01381272
Place bracket (4) and hose assemblies (3) into position and install bolts (5).
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Illustration 23 g01381264
Position bracket (2) and install bolts (1).

End By:

Install the bucket cylinder. Refer to Disassembly and Assembly, "Bucket Cylinder - Remove and Install".
Install the bucket linkage. Refer to Disassembly and Assembly, "Bucket Linkage - Remove and Install"