351 WITH OT, OTB, HT, HTB ARM AND TRACK INSTALLATION INSTRUCTIONS (PULL SIDE)

CAUTION: FAILURE TO INSTALL OR ADJUST PROPERLY MAY RESULT IN INJURY OR DAMAGE FOR INSTALLATION ASSISTANCE CALL SARGENT AT 1-800-727-5477 • www.sargentlock.com NOTE: AN AUXILIARY DOOR STOP IS REQUIRED

door shown).

RIGHT HAND DOOR

Slide track over roller and install end caps. Se-5

cure track to frame with screws provided. Holder/Bumper option end toward hinge

Adjusting Closing Speeds

Adjust Door speed, and Latching speed valves to achieve the desired closing time. Recommend 6 seconds minimum from 90° to the closed position.

If Backcheck is required, adjust valve to achieve a slight cushioning effect. Auxiliary stop required.

If closer is equipped with Delayed Action , regulate valve to achieve the desired delay

Adjust closing power to the minimum required to reliably close and latch door.

• If door is hard to open, decrease power slightly.
• If door does not latch, increase power as required.
• Use the chart as a starting point.
• Doors adjusted with high closing power to overcome strong draft conditions may exceed ADA standards.

SPRING POWER ADJUSTMENT GUIDELINES
Door Width (Inches)	Exterior Doors	Interior Doors
24-30	TURN nut 1-3	TURN nut 1-3
30-36	FACTORY SET	FACTORY SET
36-42	TURN nut 1-4	TURN nut 1-3
42-48	TURN nut 7-9	TURN nut 4-6

TENSION AD-JUSTER HOLDER DEVICE Mounting screw

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