Chapter 6 - Removing & Replacing the Desiccant Assembly
TM00358 Rev. A
October 2007
L-3 WESCAM
110
All Rights Reserved
WARNING: DANGER ZONE. THE TURRET IS REMOTELY CONTROLLED AND CAPABLE OF CONTINUOUS
MOVEMENT FROM DRIVE MOTORS THAT ARE CAPABLE OF FORCES THAT CAN INJURE
PERSONNEL.
WARNING: READ DESICCANT MATERIAL MSDS. REVIEW THE MATERIAL SAFETY DATA SHEETS (MSDS)
SECTIONS FOR MATERIAL HANDLING, REACTIVITY AND MATERIAL DISPOSAL BEFORE
REPLACING ANY DESICCANT MATERIAL.
WARNING: AVOID DESICCANT MATERIAL CONTACT WITH SKIN, INGESTION OR INHALATION OF DUST.
WHEN FIRST EXPOSED TO WATER, THE DESICCANT MATERIAL BECOMES VERY HOT.
Caution:
Make sure no water enters the desiccant enclosure during desiccant exchange.
Caution:
Remove the breather valve while it is facing upwards so desiccant material does not spill out.
Caution:
Do not over fill or pack the desiccant material. Room must be left for the filler port to seat
properly.
Removing, Refilling Desiccant Material and Reinstalling
1. Orient the turret to the Stow position.
2. Pull and tag the main breaker to disable power and steering control to the turret.
3. Support the desiccant assembly with one hand.
4. Locate a bottom retention screw that secures the desiccant assembly to the turret.
5. Push the screw head in, twist counter-clockwise a 1/4 turn, and then back off until the spring ejects the
screw.
6. Unfasten the remaining retention screws.
7. Remove the desiccant assembly.
8. Place desiccant assembly on a flat surface and with filler port exposed.
9. Push the filler port in, by hand, and then turn counter-clockwise to remove the filler port.
10. Invert the desiccant assembly over a disposal canister and shake the material loose.
11. Insert plastic funnel into filler port.
Nitrile gloves
–
2
Eye goggles
–
1
Dust mask
–
1
Table 6-11 Desiccant Refill — Tools
Tool
Size
Notes
Phillips® head screw driver
#02
Funnel 795 ml (28 oz)
Top ID 18 cm (7”)
Spout OD 2.5 cm (1”)
Table 6-10 Desiccant Refill — Consumables (Continued)
Description
Part Number
Manufacturer/Qty
Notes