Simoco EMEA Ltd SDB670AC01 Manual De Usuario
SDB670 – SERVICE MANUAL
TNM-M-E-0032
May 13
Page 50
MAINTENANCE
3.
On the Fuse Board, connect the Rx Assembly power cable to socket ‘S2’.
6.3.7
To fit the Tx Assembly
WARNING
HEAT SINK COMPOUND. DOW CORNING DC340 HEAT SINK
COMPOUND IS USED IN THE MAINTENANCE OF THIS EQUIPMENT.
REFER TO THE PERSONAL SAFETY PAGES.
Note.
Care should be taken to support the Heat Pipe Assembly during assembly and
disassembly operations.
disassembly operations.
1.
If required, fit the Heat Pipe Array to the Tx Assembly as follows:
1.1. On the Heat Pipe Array, referring to Figure 16 below, apply a small amount of Dow
Corning DC340 Heatsink Compound to the Tx engine mating surface.
Figure 16. Heat Pipe Array.
1.2. Place the Heat Pipe Array onto its location on the Tx Assembly and secure in place
with the two M4 x 16 mm Cap Head screws and two M3 x 25 mm Pan Head screws.
2.
On the Heat Pipe Array, referring to Figure 16 above, apply a small amount of Dow Corning
DC340 Heatsink Compound to the heatsink mating surface.
DC340 Heatsink Compound to the heatsink mating surface.
3.
Taking care not to trap any cables, position the Tx Assembly onto the four M4 locating studs
on the Tx Engine Adjustment Chassis. Ensure that the Heat Pipe Array is correctly aligned
with the Heatsink.
on the Tx Engine Adjustment Chassis. Ensure that the Heat Pipe Array is correctly aligned
with the Heatsink.
4.
Secure the Heat Pipe Array to the Heatsink with the four M4 x 20 mm socket cap head
screws.
screws.
5.
Secure the Tx Assembly to the Tx Engine Adjustment Chassis with the four M4 hexagonal
nuts.
nuts.
6.
On the Tx Assembly, referring to Figure 11, carry out the following:
6.1. Connect the Tx RF cable to the BNC socket.
Tx Engine Mating Surface
Heat Sink Mating Surface
Apply a small amount of Dow Corning DC340
Heat Sink compound to mating surfaces.