WAC 296-301-04503
Enclosed hot air dryers. (1) Lever
control. When slashers are operated by control levers, these
levers shall be connected to a horizontal bar or treadle located
not more than 69 inches above the floor to control the operation
from any point.
(2) Push-button control. Slashers operated by push-button
control shall have one start button at each end of the machine
and stop buttons shall be located on both sides of the machines
at intervals spaced not more than 6 feet on centers.
Note:
Inching buttons should be installed.
(3) Dryer enclosure. The dryer enclosure shall be provided
with an exhaust system which will effectively prevent wet air and
steam from escaping into the workroom.
(4) Nip guards. All nip guards shall comply with Table R-1.
TABLE R-1
GUARD OPENINGS
Openings in the guard or between the guard and working surface shall
not be greater than the following:
Distance of
opening
from nip point
Maximum
width of opening
0 to 1 1/2
1/4
1 1/2 to 2 1/2
3/8
2 1/2 to 3 1/2
1/2
3 1/2 to 5 1/2
5/8
5 1/2 to 6 1/2
3/4
6 1/2 to 7 1/2
7/8
7 1/2 to 8 1/2
1
1/4
The measurements in Table R-1 are all in inches.
(5) Expansion chambers. Slasher kettles and cookers shall
be provided with expansion chambers in the covers, or drains, to
prevent surging over. Steam control valves shall be so located
that they can be operated without exposing the worker to moving
parts, hot surfaces, or steam.