Hf Service; Spare Parts And Recommended Tools - L-Acoustics KUDO Multi-Mode WST Manuel D'utilisation

8.3.3

HF service

If damaged, an HF 1.75" driver or diaphragm should be removed and repaired or replaced as described below.
HF driver or diaphragm removing procedure
1. Remove the rear PA-COM
2. Disconnect the 4 cables from the HF compression drivers' electrical sockets.
3. Remove the hatch located on the top face of the enclosure by removing the 7 Torx
4. Remove the HF section module with both waveguides.
5. To only remove a diaphragm
Unscrew the 6 Phillips
To remove a full compression driver
a. Remove the damaged driver assembly from the waveguide by removing both nuts with split washers.
b. Remove the heat dissipation block from the driver.
c. Remove both threaded studs from the driver.
HF driver or diaphragm installation procedure
1. To install a full compression driver
a. Fix both threaded studs to the front side of the driver (3 N.m/27 in.lb
b. Put a circle of thermal paste at 10 mm/0.4 inch from the edge of the groove.
c. Install the heat dissipation block on it (foam facing the user) and remove the thermal paste surplus.
d. Install the assembly on the waveguide plate (with foam side towards the waveguide) and screw in both
nuts with split washers to the threaded studs (5 N.m/45 in.lb
To only install a diaphragm
a. Ensure that the voice coil gap on the driver is free from any particles. If necessary, clean out the gap by
using 2-sided tape.
b. Install the diaphragm in the gap and screw in the 6 Phillips
thread-locker).
2. Install the HF section module into the enclosure.
3. Install the hatch and screw in the 7 Torx
4. From the PA-COM
connect both black cables to both drivers' unlabeled electrical sockets.
5. Install the PA-COM
8.4

Spare parts and recommended tools

HP BM11 1.75'' driver - 16
HS BM11 Diaphragm for 1.75''driver - 16
HP BE51 5'' speaker - 8
HP BC122 12'' speaker - 8
Torque wrench (N.m or in.lb
®
T20 Torx bit
®
T25 Torx bit
3 mm hex bit
5 mm hex bit
6 mm hex bit
KUDO_UM_ML_2-0
®
plate by removing the 8 Torx
®
screws from the back side of the driver and remove the diaphragm.
®
screws (5 N.m/45 in.lb
®
plate, connect both red cables to both drivers' red-labeled electrical sockets, and
®
plate and screw in the 8 Torx
Table 4: Main available spare parts
Table 5: Recommended tools for service
)
f
w w w . l - a c o u s t i c s . c o m
®
screws.
, medium-strength thread-locker).
f
).
f
®
screws (5 N.m/45 in.lb
).
f
®
screws (5 N.m/45 in.lb ).
f
HS BC122 12'' recone kit
HR BC122 Factory reconed 12'' (kit and service)
SE GRKUDO Complete front grill, black
SE GRKUDO W Complete front grill, white (RAL 9010
®
PH.2 Phillips bit
10 mm hex socket
13 mm hex socket with drive extension
Medium-strength thread-locker (blue)
High-strength thread-locker (green)
®
screws.
, medium-strength
f
®
)
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