Sterling D48160s manual Adjust the Cradle OPEN-POSITION Limit Switch

SETTINGS AND ADJUSTMENTS

SECTION 4-31

Setting and Adjusting the Cradle Jackscrew

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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 Open-Position Limit Switch”, which follows.

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 OPEN-POSITION NUT (3) toward the switch until the switch trips. Turn the nut an additional half turn toward the switch.

Replace the keeper.

Run the jackscrew to check the up-position stop.

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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