Figure 4-10: Tightening The Locking Screws In The Towfish Housing Aft End Cap; Figure 4-11: Pulling The Electronics Chassis Out Of The Towfish Housing - Klein 4900 Series Operation And Maintenance Manual

4-8
CHAPTER 4 Equipment Maintenance
Using the 5-mm hex key,
12.
tighten the three locking
screws in the towfish
housing aft end cap.
13. Screw the tail cone
retaining bolt into the
threaded hole in the
middle of the aft end cap.
Grasp the tail cone
14.
retaining bolt and
carefully pull the
electronics chassis
completely out of the
towfish housing. Be
careful not to scratch the
O-ring surface inside the
housing.
Lay the electronics chassis
15.
on a clean, flat, dry
surface.
Series 4900 Sonar System Operations and Maintenance Manual
Figure 4-10:
Tightening the Locking Screws in
the Towfish Housing Aft End Cap
Figure 4-11:
Pulling the Electronics Chassis
out of the Towfish Housing
Locking
screw (3)
P/N 11210091, Rev. 02