Parallel HOA1900 Installation Instructions

INSTALLATION INSTRUCTIONS FOR PARALLEL
BRACKET INSTALLATION
Install the bracket of adjusting arm above as shown in the diagram below.
2 ⁹/16"
65mm
HOA1900
5 ⁷/8"
150mm
BACKCHECK CONTROL VALVE (BC)
1900
11 ¹/8"
282.5 mm
①
Drill holes with template attached to
②
the door and frame as shown.
Left Hand Door
HOLD-OPEN ARM (PUSH SIDE) MOUNTING
2"
51mm
2 ³/4"
70mm
(BC)
BRACKET
ADJUSTMENT
LOCKING NUT (A)
③
Rotate door closer bottom shaft 45°
toward the hinges and install main
Install bracket and fore arm shoe.
arm on the door closer top shaft.
Edge of door stop soffit
(top jamb of frame)
FOR LEFT HAND DOOR
Fold line
OPTIONAL DELAYED ACTION VALVE (DA)
SWEEP SPEED VALVE (1)
LATCH SPEED VALVE (2)
(2)
(DA) (1)
(A)
ARM SHOE
④ ⑤
Connect main arm to the adjusting Fix cover after adjusting the closing
speed. Adjust door closer as required,
arm, aligning main arm to be parallel
to the door. see door closer instruction for details.
⑥
Tighten hexagonal nut with door
opened to desired position.
(See detail A)
A
DETAIL A
HOA1900-INST-TPL 2022-08 1/2