Parker Hannifin Corporation
Automation Actuator Division
Wadsworth, Ohio
14
Automation
Stepper and Servo Driven Linear Actuators
PM-ET01/USA
ET Series
The following maintenance information is contained in this section:
Torque table - Provides torque specification for all items requiring specific torque values. When assembling parts, make sure
to use the recommended torque value listed in this table. If a torque value is not listed, use industry standard torque for the
fastener/metal combinations. (page 14)
Cleaning - Provides external cleaning information. (page 14)
Adjusting timing belt tension - Provides a procedure for timing belt adjustment.
Lubrication - Provides lubrication information.
Motor coupler and pulley spacing - Provides motor coupler (for inline motors) and pulley (for parallel motors) installation
information.
Assembly information - Provides information necessary for replacement of specific components requiring adhesives during
the assembly process.
*This part number is the number used in the parts listing as well as any maintenance tasks contained in this manual.
Cleaning Information
Clean cylinder body, front end cap, etc., using a clean cloth. Use only a mild, non-corrosive cleaning agent. Remove any
sludge, deposits, or other foreign substances from the surface of the cylinder.
NOTE: Do not use high-pressure wash down or steam-lance type cleaning systems.
Maintenance/Torque Table, Cleaning
Torque Specifications
Torque Specifications (Max.)
Part
ET 32 Series
ET 50 Series
ET 80 Series
ET 100 Series
Description
Numbers *
Size in-lb ft-lbs Size in-lb ft-lbs Size in-lb ft-lbs Size
in-lb ft-lbs
Rod Assembly
17,25,26
-
530
44
-
1325
110
-
2650
221
-
4200
165
Roller Retainer FHSCS
22
M3
11
1
M3
11
1
M6
85
7
M6
85
7
Elastic Locknut
16
M5
50
4
M6
85
7
M8
210
18
M12
725
60
Bearing Ret. Locking SHCS
12
M3
11
1
M3
11
1
M5
50
4
M5
50
4
Cylinder Tie Bolts
30 & 32
M6
85
7
M8
210
18
M10
415
35
M10
415
35
Coupler End SHSS (Servo)
34,36
M2,5
11
1
M3
11
1
M4
41
3
M6
85
7
Coupler End SHSS (Stepper)
34,36
M4
41
3
M6
85
7
M6
85
7
-
-
-
Motor Adapter SHCS
39
M3
11
1
M5
50
4
M6
85
7
M8
210
18
Motor Adapter FHSCS/SHCS
42
M3
11
1
M5
50
4
M5
50
4
M8
210
18
Motor Mounting Bolts
59
M5
50
4
M5
50
4
M5
50
4
M6
85
7
M6
85
7
Parallel Flange BHSCS
55
M4
41
3
M5
50
4
M6
85
7
M8
210
18
Parallel Cover BHSCS
52
M3
11
1
M4
41
3
M5
50
4
M5
50
4
Drive Pulley SHSS/SHCS
56
M2,5
11
1
M2,5
11
1
M3
11
1
M6
85
7
M3
11
1
M4
41
3
