4
Major Assemblies
-– Series 2 Variable Displacement Pump
NOTE: This is a typical Series 2 configuration
your model may differ slightly from this view
depending on features installed.
Order of Major disassembly is:
1. Control (as applicable)
2.
Auxiliary Mounting Adaptor (if applicable)
3.
Charge Pump Cover
4.
End Cover
5.
Rotating Group & Shaft
6.
Servo Piston
7.
Main Housing
Caution: Before attempting to disassemble pump refer to the
detailed disassembly instructions starting on Page 28
Eaton
Model No.
Serial No.
Rotation
Eaton Corporation
Hydraulics Division
Spencer, Iowa 51301
A
B
C
G
E
D
F
0000 00 - 000
00 00 000000
ID Tag
A Displacement cu. in./rev.
0033 = 3.3
0039 = 3.9
0046 = 4.6
0054 = 5.4
0064 = 6.4
B Identifies Type of Product
22 = Variable Displacement Pump
C Identifies Specific Unit Configuration
D Month of Manufacture
E Year of Manufacture
F
Specific Serial Number of Unit
G Identifies Direction of Input Shaft Rotation
Observed from Shaft End of Unit
CW = Clockwise
CCW = Counterclockwise
For Detailed Model Code Listings refer to Pages 58-59
3
Charge Pump Cover
4
End Cover
5
Rotating Assembly
& Shaft
1
Control
2
Auxiliary Mounting Adaptor
6
Servo Piston
7
Main Housing