SETTINGS AND ADJUSTMENTS
SECTION 4-31
Setting and Adjusting the Cradle Jackscrew
(continued from previous page)
Actuate the screen cradle jackscrews by turning the selector switch to LOWER at the jackscrew console.
Hold the switch in position until the cradle approaches the open stop location described previously. TO AVIOD SERIOUS DAMAGE TO THE JACKSCREW. STOP THE JACKSCREW MOTOR AS SOON AS YOU OBSERVE THAT THE MOTOR DOES NOT STOP AT THE PROPER LOCATION. If necessary, adjust the cradle open- position limit switch as described in the topic entitled “Adjust the Cradle
ADJUST THE CRADLE OPEN-POSITION LIMIT
SWITCH
Jog the cradle open till it arrives at the set point.
Open the screen cradle jackscrew switch housing (I) and remove the keeper (2).
Turn the
Replace the keeper.
Run the jackscrew to check the
If the stop is okay, proceed with the steps that follow.
When you REVERSE the jackscrew operating direction, always ALLOW THE JACKSCREW MOTOR TO COME TO A COMPLETE STOP. Release the control switch and allow a minimum of 5 seconds before switching to the opposite operating position. If you don't allow this pause, the JACKSCREW AND OTHER COMPONENTS MAY BE SEVERELY DAMAGED.
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