Operating instructions

Overview 2-5
MB*/* Installation and Operation Manual
The included clamp and bolt assemblies enable you to mount the standard and bypass housings.
For instructions on aerial and pedestal installation refer to Section 5, “Installation”.
Gaskets
Each housing is equipped with a recessed woven-wire RF gasket and a silicone-rubber weather
gasket to provide a seal between the housing base and lid. These gaskets provide efficient
ground continuity, RF shielding, and weather protection. Both gaskets must be in place and in
good condition to ensure proper operation and protection of the station. The weather gasket
should be lightly coated with silicone grease each time the amplifier is opened. Replace this
gasket if it becomes damaged or deformed.
Figure 2-6 illustrates the housing gaskets:
Figure 2-6
Housing gaskets
HI
LO
FTEC
AC TEST POINT
24 V TE ST POINT
MPPS-II
460132-001
NO USER SERVICAB LE
PARTS INSIDE
USE CAUTION WHEN MAKING
INTERNAL ADJUSTMENTS
WITH COVER REMOVED
VOLTAG ES IN E XCESS OF
300 VOLTS ARE PRESENT
UNDER COVER AND MAY
BE PRESENT FOR SEVERAL
MINUTES AFTER POWER
IS RE M OVED
SEE I NSTALLATI ON MA NUAL
FOR SERVICE
RTN
EQ
MDR
MB 87 S G
J
A
K
E
M
75
55
-20dB
H
L
REFE R TO
MAN UAL FOR
FUSE VALUES
IN
FUSE
PORT 3
POWER
CONTROL
STATUS
MONITOR
-20dB
JXP THERM
JXP
FUSE
JXP
IN
DRIVE
UNIT
MAN
3
4
BODE
TDU
ADU
MAN
JXP 2
JXP 3/4
-16dB
STATUS
MONITOR
INPU T
A
DU
JXP
COMMON
H
L
-20dB
PORT 2
STATUS
MONITOR
O UTPUT
-20dB
FUSE
JXP
ADU
JXP
HL
JXP 2
-20dB
I
C
S
I
C
S
-20dB
JXP 3/4
FUSE PORT 4
ASSEMBLED IN MEXICO
CAUTION:
CONTAINS PARTS
AND ASSEMBLIE S
SUSCEPTIBLE TO
DAMAGE BY
ELECTROSTATIC
DISCHARGE ( ES D)
FWD
EQ
ALIGN D OTS
Weather gasket
(silicone rubber)
RF gasket
(woven wire)