கதவை நெருக்கமாக நிறுவுவது மற்றும் சரிசெய்வது எப்படி.How to Install and adjust Door Closer.

DOOR CLOSER INSTALLATION STEPS..
INSTALL DOOR CLOSER
Select door opening and mark four (4) holes on door for door closer and two (2) holes on frame for arm shoe.
Drill pilot holes in door and frame for included all-purpose screws or drill or tap for included machine screws.
Install forearm/arm shoe assembly to door frame using screws provided with door closer.
Mount door closer on door using screws provided. SPEED ADJUSTING VALVE MUST BE POSITIONED TOWARD HINGE EDGE.
Install main arm to top pinion shaft, perpendicular to door as shown below. Secure tightly with arm screw/washer assembly provided.
Adjust length of forearm so that forearm is perpendicular to frame when assembled to preloaded main arm. Secure forearm to main arm with screw/washer assembly provided.
Snap pinion cap over shaft at bottom of closer.
Adjust closing speed of door (see below).
top view of door closer installation diagram
ADJUST DOOR CLOSER SPEED
SWEEP speed adjustment is accomplished by full rotations of the speed adjusting valve.
Turn the speed adjustment valve CLOCKWISE for a SLOWER CLOSE arc closing speed.
Turn the speed adjustment valve COUNTER-CLOCKWISE for a FASTER CLOSER arc closing speed.
LATCH speed adjustments is accomplished by full rotations of the speed adjusting valve.
Turn the speed adjustment screw CLOCKWISE for a SLOWER LATCH arc closing speed.
Turn the speed adjustment screw COUNTER-CLOCKWISE for a FASTER LATCH arc closing speed.
diagram to adjust sweep and valve of door closer

[@MIIMchannel]

Good installation 👍