Emerson DCX S - Troubleshooting

118 100-412-183 REV. 13
For a 30 kHz System
For a 40 kHz System
* Loctite is a registered trademark of Henkel Corporation, U.S.A.
Table 8.5 Stack Reassembly for a 30 kHz System
Step Action
1
Clean the mating surfaces of the converter, booster, and horn. Remove any
foreign material from the threaded holes.
2
Install the threaded stud into the top of the booster. Torque to 290 in·lb
(32.76 N·m). If the stud is dry, apply 1 or 2 drops of a light lubricating oil
before installing.
3
Install the threaded stud into the top of the horn. Torque to 290 in·lb
(32.76 N·m). If the stud is dry, apply 1 or 2 drops of a light lubricating oil
before installing.
4
Install a single Mylar plastic film washer (matching the size of the washer to
the stud) to each interface.
5 Assemble the converter to the booster and the booster to the horn.
6 Torque to 185 in·lb (21 N·m) at each interface.
Table 8.6 Stack Reassembly for a 40 kHz System
Step Action
1
Clean the mating surfaces of the converter, booster, and horn. Remove any
foreign material from the threaded holes.
2
Apply a drop of Loctite®* 290 threadlocker (or equivalent) to the studs for
the booster and horn.
3
Install the threaded stud into the top of the booster. Torque to 70 in·lb
(7.91 N·m). Remove excess Loctite 290 threadlocker from the booster face
and let cure for 30 minutes.
4
Install the threaded stud into the top of the horn. Torque to 70 in·lb
(7.91 N·m). Remove excess Loctite 290 threadlocker from the horn face and
let cure for 30 minutes.
5
Coat each interface surface with a thin film of silicon grease - but do not
apply silicon grease to a threaded stud or tip.
6 Torque to 95 in·lb (10.73 N·m) at each interface.