301.5, 301.6, 301.7CR, 301.8, 302CR Mini Hydraulic Excavators Machine System Caterpillar

Stick

Usage:

301.8 H8X

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Illustration 1	g06289738
Typical example

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Table 1
Item	Qty	Part	Specification Description
-	All bores must be free of paint. Use the 5P-0960 Grease Cartridge in order to coat all bores and sealing lips with lubricant before assembly, and lubricate all joints from fitting after assembly.
1	1	521-4176 Pin As	Diameter is 34.036 to 34.075 mm (1.3400 to 1.3415 inch).
2	2	521-4193 Bushing	Before assembly, inside diameter is 35.191 ± 0.015 mm (1.3855 ± 0.0006 inch). Installation depth is 5.0 ± 0.5 mm (0.20 ± 0.02 inch).
3	4	8T-4191 Bolt	Torque to 70 ± 15 N·m (52 ± 11 lb ft).
4	As required, use the following shims to adjust the maximum lateral clearance to 0.6 mm (0.02 inch):
	1	139-4268 Shim	Thickness is 0.5 mm (0.02 inch).
	1	304-8218 Shim	Thickness is 1.0 mm (0.04 inch).
5	4	270-6549 Bushing	Before assembly, inside diameter is 30.178 ± 0.015 mm (1.1881 ± 0.0006 inch). Installation depth is 5.0 ± 0.5 mm (0.20 ± 0.02 inch).
6	As required, use the following shims to adjust the maximum lateral clearance to 0.6 mm (0.02 inch):
	1	139-4268 Shim	Thickness is 0.5 mm (0.02 inch).
	1	304-8218 Shim	Thickness is 1.0 mm (0.04 inch).
7	1	540-1967 Pin As	Diameter is 34.036 to 34.075 mm (1.3400 to 1.3415 inch).
8	1	521-4177 Pin As	Diameter is 29.036 to 29.075 mm (1.1432 to 1.1447 inch).
9	As required, use the following shims to adjust the maximum lateral clearance to 0.6 mm (0.02 inch):
	1	139-6384 Shim	Thickness is 0.5 mm (0.02 inch).
	1	139-6383 Shim	Thickness is 1.0 mm (0.04 inch).

Caterpillar Information System:

336, 336 GC and 340 Excavator Systems Manifold and Reducing Valve (Pilot Oil)

336, 336 GC and 340 Excavator Systems Swing Gear and Bearing

336 and 336 GC Excavator Fuel Tank Water and Sediment - Drain

336 and 336 GC Excavator Engine Air Filter Primary and/or Secondary Element - Replace

Regulatory Compliance Information Radio Detection and Ranging (Radar) - C5 Radar - If Equipped

336 and 336 GC Excavator Parking

797 Transmission Planet Shaft Plug Removal, Clean Planet Shaft Lube Passages and Install New Plug Procedures {0599, 0700, 0722, 3160} 797 Transmission Planet Shaft Plug Removal, Clean Planet Shaft Lube Passages and Install New Plug Procedures {0599, 0700, 0722, 3160}

301.5, 301.6, 301.7 CR, 301.8, and 302 CR Mini Hydraulic Excavator Machine System Control Valve (Boom Lowering)

Thermocouples May Fail on Certain G3500 Engines {7498} Thermocouples May Fail on Certain G3500 Engines {7498}

301.5, 301.6, 301.7 CR, 301.8, and 302 CR Mini Hydraulic Excavator Machine System General Information (Boom System)

Rework Procedure for Muffler/Silencers on Certain G3516 Power Modules {1062} Rework Procedure for Muffler/Silencers on Certain G3516 Power Modules {1062}

336, 336 GC and 340 Excavator Systems Swing Motor

336, 336 GC and 340 Excavator Systems Position Sensor and Mounting

336, 336 GC and 340 Excavator Systems Suction Fan

336, 336 GC and 340 Excavator Systems Front Lines

336, 336 GC and 340 Excavator Systems Fuel Tank and Mounting

336, 336 GC and 340 Excavator Systems Fuel Tank

336, 336 GC and 340 Excavator Systems Track Adjuster and Recoil

336, 336 GC and 340 Excavator Systems Pump Lines

Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553} Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553}

336 and 336 GC Excavator Swing Drive Oil - Change

301.5, 301.6, 301.7 CR, 301.8, and 302 CR Mini Hydraulic Excavator Machine System Boom Cylinder

336 and 336 GC Excavator Swing Drive Oil Level - Check

336, 336 GC and 340 Excavator Systems Hydraulic Oil Cooler Lines Group