Enerpac ST-121 - Manual

L1717 Rev. A 09/95
IMPORTANT RECEIVING INSTRUCTIONS
Visually inspect all components for shipping damage. If any shipping damage is
found, notify carrier at once. Shipping damage is
NOT covered by warranty. The
carrier is responsible for all repair or replacement cost resulting from damage in
shipment.
INSIDE THIS INSTRUCTION SHEET
DESCRIPTION
These swing cylinders are designed to swing 90° in a clockwise or
counter-clockwise direction. They can also be used in straight clamping
applications. Single-acting and double-acting swing cylinders are available.
Clamp arms are not supplied with cylinders. Clamp arms can be purchased
separately or made according to the specifications on page 11.
®
PRODUCTION AUTOMATION
Instruction Sheet
Swing Cylinders -- Imperial
Model Number Code
1 2 3 4 optional 5 6 optional
S = swing
cylinder
T = threaded body
U = upper flange
L = lower flange R = right swing
L = left swing
S = straight
(no swing)
S = single-
acting
D = double-
acting
L = long
stroke
12 kN only
1 = 1,3 kN
2 = 2,2 kN
5 = 5,6 kN
12 = 11,6 kN 1 = imperial V = Viton
DESCRIPTION.....................................................1
SPECIFICATIONS ...............................................2
PRELIMANARY INFORMATION ....................3
MOUNTING SPECIFICATIONS ........................4
Mounting Threaded Body Cylinders ..................4
Mounting Upper and Lower Flange Cylinders ..5
INSTALLATION..................................................6
Changing Plunger Rotation ................................6
Attaching Clamp Arm ........................................7
Arms for Upper Flange Body ............................ 7
Hydraulic Connections....................................... 8
Port Identification............................................... 8
OPERATION...................................................... 16
Vent Plug.......................................................... 16
Pressure and Flow Rate.................................... 16
MAINTENANCE............................................... 10
TROUBLESHOOTING ..................................... 10
CLAMP ARM MACHINING SPEC.’S ............ 11