Chapter 4 19” Standard Cabinet Installation
must not exceed 3mm. Fasten the locknut upward to fix the
cabinet footing. The fastening torque has to reach 45Nm.
3. Cabinet Fixation
As shown in
Figure 36
, press the pressure plate on the cabinet
footing and place the insulated tube on expansion bolt.
At
last fix the cabinet with flat washer, spring washer and blot.
The fastening torque has to reach 45Nm. The pressure plate
is attached with an insulated rubber pad. Pressure plate and
insulated pad are shown in
Figure 36
.
F
IGURE
36 C
ABINET
B
ASE IS
I
NSTALLED ON
F
LOOR
D
IRECTLY
1.
Flat Washer
2.
Insulated Tube
3.
Cabinet
4.
Nut M12
5.
Spring Washer
6.
Pressure Plate
7.
Footing
8.
Expansion Bolt
4. Insulation Test
Modify the multimeter to resistance grade. Use the two mea-
suring heads to touch the cabinet earthing point and expansion
bolt. Measure their resistance. Continue the next step if the
circuit is an open circuit. If the result shows that it is not an
open circuit, then the cabinet is not insulated with earth. Ex-
amine the insulated tube. Repeat the last step and insulation
test.
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43
Содержание ZXR10 8900 Series
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