PM820, PM822, and PM825 Cold Planer Machine Systems Caterpillar

Final Drive Planetary - Assemble

Usage:

Assembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-2420	Transmission Repair Stand	1
B	6V-3009	Crossbar	1
	1P-0510	Driver Gp	1
	6V-5696	Bolt	2
	5P-8245	Washer	2
	4C-6142	Spacer	1
	⁽¹⁾ 126-7176	Forcing Screw	1
	126-7181	Sliding Plate	2
F	8M-9010	Sleeve	1
G	1P-0520	Driver Gp	1
H	-	Loctite 272	-

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⁽¹⁾	Part of 126-7175 Push-Puller Tool Gp

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Illustration 1	g06335725

Install bearing cone (25) into housing (18).
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Illustration 2 g06335722
Install bearing cup (29) and spacer (28).
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Illustration 3 g06335721
Install retaining ring (27).
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Illustration 4 g06335718
Install bearing cup (26).
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Illustration 5 g06335716
Install Tooling (F) and bearing cone (20) into housing (18).
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Illustration 6 g06335715
Install O-ring seal (22) onto top half of Duo Cone seal (21).
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Illustration 7 g06335713
Install top half Duo Cone seal (21) into housing (18).
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Illustration 8 g06335712
Install O-ring seal (24) onto lower half Duo Cone seal (23).
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Illustration 9 g06335709
Install lower half Duo Cone seal (23) onto hub (19).
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Illustration 10 g06335706

Note: Coat both halves of the Duo Cone seal with a light coating of the liquid being sealed.
Use Tooling (F), Tooling (G), and a suitable press to install hub (19) into housing (18).
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Illustration 11 g06335691

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Illustration 12 g06335702
Use Tooling (G) and a suitable press to install planetary retainer (17).
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Illustration 13 g06335704
Attach the final drive to tooling (A) or suitable fixture. Apply Tooling (H) to bolts (16) and Install.
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Illustration 14 g06333347
Install planetary carrier assembly (15).
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Illustration 15 g06333248
Install O-ring seal (14).
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Illustration 16 g06333244
Install cover (13), retaining ring (12), and plugs (11).
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Illustration 17 g06335731
Invert the final drive. Install coupling (6).
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Illustration 18 g06333239

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Illustration 19 g06335734

Note: Install the O-ring seals and the back-up rings in the orientation determined in the disassembly.
Install friction discs (9) and plates (10).
Install O-ring seal (8) and the back-up ring. Install O-ring seal (7) and the back-up ring.
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Illustration 20 g06335736
Install piston (5).
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Illustration 21 g06333143
Install springs (4) in the orientation determined in the disassembly.
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Illustration 22 g06333142
Install plate (3).
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Illustration 23 g06333137

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Improper assembly of parts that are spring loaded can cause bodily injury.
To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Use Tooling (B) to install retaining ring (2).
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Illustration 24 g06333132
Install plug (1).
Remove the final drive from Tooling (A) or suitable fixture.