User guide

PTP 800 Series User Guide Replacing IRFU components
phn-2513_004v000 (Oct 2012)
5-103
4
Separate the Circulator Assembly from both filters.
Install new filters
1
Refer to Figure 113 for aligning the outside corners and screw holes of the
Circulator Assembly and the Filter flanges.
2
Insert and hand tighten each socket-head screw in its respective hole, taking care
not force or rip the screw threads.
3
Secure all screws, using the Ball-point Allen key, without overtightening.
4
Follow Steps 2 and 3 from procedure Install the new branching unit on page 5-
101.
Replacing a fan assembly
When replacing a fan assembly, refer to Figure 114.
If replacing a fan assembly while the radio is operating, complete this procedure
as quickly as possible, otherwise the unit may overheat. Surface may be hot to
touch.
Figure 114 Fan assembly replacement