TK370 Wheel Feller Buncher, TK380 Wheel Feller Buncher, TK371 Industrial Tractor and TK381 Industrial Tractor Machine Systems Caterpillar

Work Tool Linkage

Usage:

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Illustration 1	g01058112

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Table 1
Linkage Pins
Pins	Pin Location	Pin Diameter	Pin Length	Part Number (Assembly)	Part Number (Pin)
1 ⁽¹⁾	Arm to Felling Head	63.475 mm (2.4990 inch)	230 mm (9.0551 inch)	201-9694	201-9695
1 ⁽²⁾	Arm to Quick Coupler	63.48 mm (2.4992 inch)	270 mm (10.6299 inch)	242-9542	242-9543
2 ⁽¹⁾	Link to Felling Head	50.78 mm (1.9992 inch)	154 mm (6.0630 inch)	201-9698	201-9699
2 ⁽²⁾	Link to Quick Coupler	50.78 mm (1.9992 inch)	259 mm (10.1968 inch)	242-9545	242-9546
3	Link to Lever	50.78 mm (1.9992 inch)	154 mm (6.0630 inch)	201-9698	201-9699
4	Lever to Cylinder	63.425 mm (2.4970 inch)	136 mm (5.3543 inch)	201-9696	201-9697
5	Cylinder to Frame	63.475 mm (2.4990 inch)	230 mm (9.0551 inch)	201-9694	201-9695
6	Arm to Frame	63.475 mm (2.4990 inch)	230 mm (9.0551 inch)	201-9694	201-9695
7	Cylinder to Frame	63.475 mm (2.4990 inch)	230 mm (9.0551 inch)	201-9694	201-9695
8	Cylinder to Arm	63.425 mm (2.4970 inch)	136 mm (5.3543 inch)	201-9696	201-9697
9	Lever to Arm	50.78 mm (1.9992 inch)	154 mm (6.0630 inch)	201-9698	201-9699

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^( 1 )	TK370 and TK380
^( 2 )	TK371 and TK381

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Table 2
Linkage Bearings
Bearing	Location of Bearing	Bearing Diameter	Depth at Assembly	Part Number
1 ⁽¹⁾	Arm to Felling Head	63.73 ± 0.05 mm (2.509 ± 0.002 inch)	6.4 ± 1 mm (0.2520 ± 0.0394 inch)	7J-9745
1 ⁽²⁾	Arm to Quick Coupler	63.73 ± 0.05 mm (2.509 ± 0.002 inch)	6.4 ± 1 mm (0.2520 ± 0.0394 inch)	7J-9745
2 ⁽¹⁾	Link to Felling Head	50.96 ± 0.05 mm (2.006 ± 0.002 inch)	6.6 ± 1 mm (0.2598 ± 0.0394 inch)	3K-6575
2 ⁽²⁾	Link to Quick Coupler	50.96 ± 0.05 mm (2.006 ± 0.002 inch)	6.6 ± 1 mm (0.2598 ± 0.0394 inch)	3K-6575
3	Link to Lever	50.96 ± 0.05 mm (2.006 ± 0.002 inch)	6.6 ± 1 mm (0.2598 ± 0.0394 inch)	3K-6575
4	Cylinder to Lever	63.5 mm (2.5000 inch)	N/A	9J-3206
5	Cylinder to Frame	63.5 mm (2.5000 inch)	N/A	9J-3206
6	Arm to Frame	63.73 ± 0.05 mm (2.509 ± 0.002 inch)	6.4 ± 1 mm (0.2520 ± 0.0394 inch)	7J-9745
7	Cylinder to Frame	63.5 mm (2.5000 inch)	N/A	9J-3206
8	Cylinder to Arm	63.5 mm (2.5000 inch)	1.6 ± 1.0 mm (0.063 ± 0.039 inch)	9J-3206
9	Lever to Arm	50.96 ± 0.05 mm (2.006 ± 0.002 inch)	6.6 ± 1 mm (0.2598 ± 0.0394 inch)	3K-6575

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^( 1 )	TK370 and TK380
^( 2 )	TK371 and TK381

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Table 3
Linkage Seals
Seal	Location of Seal	Part Number
1	Arm to Work tool	7K-9206
2	Link to Work tool	7K-9203
3	Link to Lever	7K-9203
6	Arm to Frame	7K-9206
9	Lever to Arm	7K-9203

Note: Lubricate all pin bores with 5P-0960 Molybdenum Grease . Lubricate the lips of all seals with the lubricant that is being sealed.

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Illustration 2	g01058320

(10) Install washers in order to minimize the gap to less than 1.2 millimeters. Use the same number of washers on each side of the arm plates. Also, use the same thickness of washers to the inner faces of the arm plates. Use the following washers:

Thickness of the 203-0325 Washer ... 1 mm (.04 inch)

Thickness of the 203-0327 Washer ... 2 mm (.08 inch)

(11) Coat the lip seals with a thin film of 5P-0960 Molybdenum Grease .

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Illustration 3	g01058336
TK370 and TK380

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Illustration 4	g01058601
TK371 and TK381

(12) Install washers in order to minimize the gap to less than 1.2 millimeters. Use the same number and thickness of washers to the inner faces of both arm plates. Use the following washers:

Thickness of the 203-0325 Washer ... 1 mm (.04 inch)

Thickness of the 203-0327 Washer ... 2 mm (.08 inch)

(13) Coat the lip seals with a thin film of 5P-0960 Molybdenum Grease .