TM 9-2330-384-14&P
4-67. MANHOLE AND FILL COVER MAINTENANCE (Con't).
NOTE
Ensure that manhole collar (14), where gasket (13) is to be installed, is free
of nicks, corrosion, or dirt.
(4)
Install new gasket (13) in groove of manhole collar (14). Ensure that gasket is evenly seated.
(5)
Install manhole lid (15) over manhole collar (14) with fill cover hinge (16) facing front.
(6)
Install clamping ring (4), bolt (1), washer (2), and nut (3). Torque nut to 10 lb.-ft. ( 14 Nm).
Tap around perimeter of clamping ring to ensure equal clamping, then torque nut to 25 lb.-ft.
(34 Nm). Repeat if necessary.
b.
REPLACEMENT OF FILL COVER PREFORMED PACKING
(2) Remove preformed packing (7) and discard.
NOTE
Ensure that fill cover (10), where preformed packing (7) is to be installed, is
free of nicks, corrosion, or dirt.
(3)
Install new preformed packing (7) in fill cover (10). Ensure that preformed packing is evenly
seated.
(4)
4-202