ADS Environmental Services Model 4000 530017 A0 - Manual (Page 64)

Monitor and Sensor Installation 3-41
10. Slide the washer against the inner nut, and turn the outer nut
toward the edge of the stud.
Positioning the nuts on the stud to receive the mounting bracket
11. Mount the bottom of the mounting bracket onto the monitor
flange with two 3/8- x 2-inch (8- × 50-mm) bolts and nuts. It
may be necessary to drill new holes in the flange.
12. Carefully lower the monitor into the manhole, and place the
keyhole in the bracket over the outer nut on the stud.
Note: ADS strongly recommends attaching a security
line to the monitor before lowering it into the manhole to
prevent the monitor from accidentally dropping down the
manhole during installation.
13. Slide the bracket against the inner nut and washer, and tighten
and secure the outer nut against the bracket.
14. Neatly coil and secure the excess sensor and telephone cables
in the manhole to simplify future monitor service activities.
Secure the cables to plastic anchors or anchor bolts using 14-
inch (35-mm) cable ties.
Note: Be careful to avoid damaging the sensor cables
during installation activities. Even small pinholes in the
cable can cause a sensor to malfunction or fail.