MAINTENANCE
Flush Mount
You can install the air filter unit in a confined shop by mounting it flush to a ceiling, wall, or table using the flange mounts.
ONLY mount the air cleaner unit to load bearing supports, wall studs, or table that can hold at least 100 lbs. DO NOT mount the unit to sheet rock walls, pressboard, paneling, or honeycomb wall panels with
Get lifting assistance before installation. At 55 pounds, the Model W1690 air cleaner is a heavy load.
To install the air cleaner for flush mount operation, do these steps:
1.Locate the applicable load bearing studs or supports in the wall or ceiling, and mark the air cleaner unit bolt pattern on the wall or ceiling (171⁄4" from
2.Drill the bolt pattern to accept at least 1⁄4" shank lag bolts for studs, or use 1⁄4" nuts, bolts, and washers for mounting to supports.
3.Position the flange bracket under the air cleaner unit lip at the mounting hole location. See Figure 10. For permanent table top mounting, use the
4.Install the flat washers and the hex bolts to secure the flange brackets to the unit. See
Figure 11.
5.Repeat Steps 3 and 4 for the other three flange brackets.
6.With the help of an assistant, position the air cleaner on the wall or ceiling, and screw or bolt the unit in place.
Figure 9. Typical unacceptable fasteners.
Lip
Mounting
holes
Figure 10. Flange bracket mounting holes and lip.
Flange bracket
mounted under lip
Figure 11. Flange correctly installed under lip.
