November 2021
Installation, Operation and Maintenance Manual
DOC.IOM.RG.US Rev. 11
16
Section 9: Instruction to Set End of Stroke
Instructions to Set End of Stroke
Section 9: Instructions to Set End of Stroke
Refer to Figure 4.
NOTE:
Operator stops must be set for valve travel before attempting adjustments.
Determine operator/valve position (open/closed position) before making adjustments.
!
CAUTION
Changing operator travel can cause damage to end of stroke (trigger) valve if over travel occurs and
trigger strikes component.
The "End of Stroke" (Trigger Valve) ensures that gas/hydraulic tanks and cylinders are de-pressurized
at the end of each automatic operation as required.
1.
Loosen trigger bolts, so trigger can be slid forward to actuate trigger valve.
2.
Holding trigger in position such that trigger valve has switched and sealed, tighten bolts.
3.
Operate operator to check trigger valve operation. At the end of the stroke, the trigger
valve should switch and seal properly.
4.
If trigger valve is not sealing properly after operation, loosen bolts, adjust trigger forward
and re-tighten.
Approximately 1/4 inch minimum of trigger travel is required.
Figure 4
Typical limit switch layout for switchpak with end of stroke valve
Bolt, trigger clamping
Trigger
Switchpak
End of stroke valve
