Norton 8341ST Installation Instructions

8040 & 8050 Slide Track Door Closers
PULL SIDE MOUNTED
Non Hold Open
8340ST, 8341ST,
8540ST, 8541ST
• With or without "DL" suffix, delayed action closing feature.
• With or without "M" suffix, Metal Cover.
The closing force for these series of door
closers is adjustable from a size 1 to a size 6,
as outlined in ANSI Standard A156.4. When
these series of door closers are installed and
adjusted to conform to ADA reduced opening
force rerequirements (5 lbs max.) for interior
doors, they may not have adequate closing
force to reliably close and latch the door. Power adjustments
charted on Page 5 are recommended, where possible, to
insure proper door control.
For Use on Doors with 4½" or 5" (115-127mm) Wide Butt Hinges
Left Hand Door-LH
Right Hand Reverse-RHR
Right Hand Door-RH
Left hand Reverse-LHR
8050 Series Hold Open Units Are Not Permitted To Be Installed In Fire Door Assemblies
• Maximum pull side frame reveal is 1/8" (3mm).
• Minimum frame face for pull side is 1-3/8" (35 mm).
• All components are non handed.
• The use of ball bearing hinges is recommended for the door on which the closer will be installed.
Door must swing freely.
• Where severe or abusive conditions are expected a separate door stop, supplied by others, is recommended to
assist in preventing damage to the door closer, closer arm; or to the door, frame or adjacent walls.
• Door and frame must be properly reinforced, or the use of special fasteners employed, to prevent door collapse or
the mounting screws from pulling out.
• All dimensions are given in inches with corresponding metric dimensions (millimeters) in parentheses.
Installation Instructions
80-9380-2212-020 (06-09)
Hold Open
8350ST, 8351ST,
8550ST, 8551ST
Installation Type
Pull (Hinge) Side Mounted
Push (Stop) Side Mounted
PUSH SIDE MOUNTED
Non Hold Open
P8340ST, P8341ST,
P8540ST, P8541ST
• Sized Door Closers 8340/8540 & 8350/8550
power increase capability. Closer size 4 has the weakest
power, closer size 6 has the strongest power.
• Multi-Sized Closer 8341/8541 & 8351/8551
adjusted from size 1 thru 6.
CAUTION
An incorrectly installed or improperly
adjusted door closer can cause property
damage or personal injury. These instructions
should be followed to avoid the possibility
of misapplication or misadjustment.
Non Hold Open
& Hold Open Models
Note: Hold open models are not
permitted to be installed in Listed
fire door assemblies.
Hold Open
P8350ST, P8351ST,
P8550ST, P8551ST
have 50%
can be
Right Hand Door-RH
Left hand Reverse-LHR
Left Hand Door-LH
Right Hand Reverse-RHR