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LTC 7950, 7960 Series | Instruction Manual | Closing the Housing
6.0
CLOSING THE HOUSING
6.1
Supplies
No.
Description
1
Novagard G661 Silicone Compound
1
O-ring
2
Desiccant Bags
6.2
Reinserting the Camera Cradle
1.
Inspect the O-ring at the end of the housing
for nicks and debris, and replace if necessary
(see Figure 8) .
2.
If replacing the O-ring, clean the O-ring groove.
3.
Apply silicone grease to the O-ring. Use only
the specified silicon grease.
4.
Install the new O-ring if necessary.
5.
Install two (2) fresh desiccant bags in the
camera cradle (see Figure 2) .
6.
To reinsert the camera cradle, ensure that the
edges of the end cap are clean and free of
scratches.
7.
Slide the camera mounting cradle forward into
the housing. Use the mating connector as
described in Section 5.2 (see Figure 8).
8.
For accurate positioning, align the index mark
on the rear of the end cap with the desired
alignment mark on the housing. There are two
alignment marks spaced at 90
housing (see Figure 9) .
Alignment Marks
on the Housing
Figure 9: Aligning the Camera Cradle With the Housing
9.
Remove the front Vent Screw (see Figure 10) .
10.
Replace the retaining ring on the rear of the
housing (see Figure 6).
11.
Reinsert and tighten the rear Vent Screw
(see Figure 9) .
Bosch Security Systems | January 03, 2005
Part No.
03-G661-01G
315 1557 903
315 1597 001
°
intervals on the
Index Mark on
Rear End Cap
Rear
Vent Screw
7.0
PRESSURIZING
CAUTION: This unit must be properly
pressurized after it has been opened for
camera servicing. Carefully follow the
pressurizing procedure.
7.1
Supplies
•
Dry Nitrogen Supply with Regulator and
Gauge
7.2
Pressurize Housing
CAUTION: Make sure that the Front Vent
Screw has been removed (see Figure 10) .
Front Retaining Ring
Front Vent Screw
Figure 10: Vent Screw
1.
Remove the fill valve cap and attach the dry
nitrogen line to the fill valve (see Figure 11).
Press to Reduce
Pressure
Figure 11: Pressure Fittings
2.
Set the regulator to a maximum pressure of
140 kPa (20 PSIG).
WARNING: The pressure in the housing
must never exceed 140 kPa (20 PSIG).
EN | 10
Dry Nitrogen Line
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