PM820, PM822, and PM825 Cold Planer Machine Systems Caterpillar

Piston Motor (Hydraulic Fan) - Assemble

Usage:

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	437-3776	Fixture As.	1
	1U-5750	Engine Stand	1
	1U-9127	Adapter As	1
B	-	M5 x 80 x 90mm. Threaded Rod	1
	4E-2854	Washer	1
	133-1645	Plastic Washer	1
	5C-2847	nut	1
C	6V-3009	Crossbar	1
	5F-7345	Threaded Rod	1
	126-7178	Puller Leg	2
	5P-8245	Hard Washer	1
	4C-5660	Threaded Adapter	1
E	-	Loctite 262	-

Assembly Procedure

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Illustration 1	g06211238

Install plug (37) and the O-ring seal into housing (4).
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Illustration 2 g06212182
Install bearings (36), washer (35), and retaining ring (34) onto shaft (33).
For more information about Bearing Preload Adjustment and Lift Off Clearance Adjustment refer to REHS1607 Bench Test Procedures and follow the requirements for A2FM 80 cc .
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Illustration 3 g06211199
Install pistons (32) and center pin (31) into plate (30).
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Illustration 4 g06211196
Install plate (30). Apply Tooling (E) to screws (29) and install onto the shaft. Tighten screws (29) to a torque of 15 N·m (133 lb in).
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Illustration 5 g06211190

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Illustration 6 g06212855
Install shim (27) determined in step 3 and spring (28) into barrel (26). Install barrel (26) onto the rotating assembly. Install Tooling (B).
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Illustration 7 g06212246
Raise the temperature of housing (4) and install the rotating assembly. Install washer (25) and O-ring seal (24) into housing (4).
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Illustration 8 g06213215

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Illustration 9 g06211171
Install lip seal (23) into cover (22).
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Illustration 10 g06211168
Install cover (22) into the housing.
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Illustration 11 g06211165
Install retaining ring (21).
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Illustration 12 g06212845
Attach Tooling (C) to the rotating assembly. Use Tooling (C) to seat the rotating assembly against cover (22).
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Illustration 13 g06212853
Remove Tooling (B) from rotating assembly (20).
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Illustration 14 g06211026
Install control plate (19) and O-ring seal (18) into housing (4).
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Illustration 15 g06210995
Install O-ring seal (15), spring (16), and guide (17) onto plug (14).
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Illustration 16 g06210988

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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.
Install plug (14) into head assembly (3).
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Illustration 17 g06210981
Install O-ring seal (13), spring (12), guide (11), and spool (10) into plug (6).
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Illustration 18 g06210708
Install O-ring seal (9), spring (8), and orifice (7) into plug (5).
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Illustration 19 g06210704

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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.
Install plugs (6) and (5) into head assembly (3).
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Illustration 20 g06210689

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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.
Install head assembly (3) onto housing (4). Install bolts (2) and (1). Tighten bolts (2) and (1) to a torque of 130 N·m (96 lb ft).
Remove the piston motor from Tooling (A).