301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Caterpillar

Stick - Remove and Install

Usage:

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-1859	Retaining Ring Pliers	1
B	1U-9199	Lever Puller Hoist	1
C	189-0409	Shackle As	2
D	138-7575	Link Bracket	2
E	1U-7519	Hydraulic Pump	1
	6V-7047	Single Acting Cylinder	1
	FT-3039	Receiving Sleeve	1
	FT-3038	Puller Plate	1
	5P-4776	Tool Stud	1
	9U-6833	Nut	1

Start By:

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

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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, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

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Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.
Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.

Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

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Illustration 1	g01188127

Position the boom and attach Tooling (C) to the boom. Attach Tooling (D) to the cab.

Use suitable lifting slings and Tooling (B) in order to connect Tooling (D) to Tooling (C) . Use Tooling (B) in order to apply lifting tension to the boom and stick assembly. The weight of the boom and stick assembly is approximately 227 kg (500 lb).

Position the stick so that the stick is in a vertical position. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".

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Illustration 2	g01194627

Use Tooling (A) in order to remove retaining ring (2). Remove pin assembly (3) from stick cylinder (1) .

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Illustration 3	g01186007

Position suitable blocking under stick cylinder (1) in order to support stick cylinder (1) .

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Illustration 4	g01186514

Disconnect hose assemblies (5) and (6) from stick (8) .

Disconnect hose assemblies (4) and (7) .

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Illustration 5	g01186532

Use Tooling (A) in order to remove retaining ring (9). Remove pin (10) and remove bucket cylinder (11) from stick (8) .

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Illustration 6	g01186551

Install pin assembly (3). Use Tooling (A) in order to install retaining ring (2). Attach a suitable lifting device to pin assembly (3) .

Use Tooling (A) in order to remove retaining ring (12). Remove pin assembly (13) and remove stick (8). The weight of stick (8) is approximately 58 kg (130 lb).

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Illustration 7	g01188312

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Illustration 8	g01188295

Use Tooling (E) to remove bearings (14) and (15) .

Remove bearings (16 ) and spacer (17) .

Installation Procedure

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-1859	Retaining Ring Pliers	1
B	1U-9199	Lever Puller Hoist	1
C	189-0409	Shackle As	2
D	138-7575	Link Bracket	2
F	1U-7519	Hydraulic Pump	1
	6V-7047	Single Acting Cylinder	1
	FT-3038	Puller Plate	1
	5P-4776	Tool Stud	1
	9U-6833	Nut	1

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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, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

Note: Cleanliness is an important factor. Before the assembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

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Illustration 9	g01196294

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Illustration 10	g01188337

Use Tooling (F) to install bearings (16) and spacer (17) .

Use Tooling (F) to install bearings (14) and (15) .

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Illustration 11	g01186551

Install pin assembly (3). Use Tooling (A) in order to install retaining ring (2). Attach a suitable lifting device to pin assembly (3) and position stick (8). The weight of stick (8) is approximately 54 kg (120 lb).

Install pin assembly (13). Use Tooling (A) in order to install retaining ring (12) .

Use Tooling (A) in order to remove retaining ring (2). Remove pin assembly (3) .

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Illustration 12	g01186532

Position bucket cylinder (11) to stick (8). Install pin (10). Use Tooling (A) in order to install retaining ring (9).

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Illustration 13	g01186514

Connect hose assemblies (5) and (6) to stick (8) .

Connect hose assemblies (4) and (7) .

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Illustration 14	g01186007

Remove the suitable blocking under stick cylinder (1) .

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Illustration 15	g01185997

Position stick cylinder (1) and install pin assembly (3). Use Tooling (A) in order to install retaining ring (2) .

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Illustration 16	g01188127

Use Tooling (B) in order to release lifting tension from the boom and stick assembly. The weight of the boom and stick assembly is approximately 227 kg (500 lb).