VARILITE VL4 - Douser Leaves Removal and Replacement

3-62
V
ARI
*L
ITE
®
-
VL4
W
ASH
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL 02.9628.0010
7-Oct-97
3.3.3.9 Douser Leaves Removal and Replacement
Parts
:
1 EA LEAF, DOUSER (10.9628.0066)
as needed:
ROLLER, DOUSER/DIMMER (10.9628.0101)
WASHER, SPECIAL .010 THK X .500 DIA (10.9628.0105)
WASHER, SPECIAL .010 THK X .350 DIA (10.9628.0106)
Tools
:
Screwdriver, Phillips #1
Screwdriver, Phillips #2
White cotton gloves
Diagonal cutters
Needle-nosed pliers
Nutdriver, 5/16 inch
To remove and replace douser leaves:
Step 1. Remove power to luminaire.
Step 2. Remove dimmer/filter/douser assembly from luminaire head
(
Figure 3-7
).
Step 3. Remove douser tab plate.
a. At douser ring tab, using needle-nosed pliers, remove loop
of each spring from holes in ring tab (
Figure 3-14
).
b. At douser tab plate, remove three 4-40x3/8"PPZ screws and
#4 internal tooth lockwashers that secure plate to douser
ring tab.
c. At dashpots, remove eyelets from standoffs on douser tab
plate and remove tab plate.
Step 4. Remove douser leaves.
a. At douser ring, remove eight 4-40x3/16"PTHZ screws and
large nylon washers (
Figure 3-15
).
b. At standoffs, remove eight nylon rollers.
c. At standoffs, remove eight small nylon washers.
CAUTION
: Wear white cotton gloves when working with douser
leaves. Oils and dirt from hands will damage douser leaves!
d. Remove douser leaves.
e. Inspect leaves and nylon washers and discard all damaged
or bent items. (An easy way to check leaf for flatness is to
lay leaf on UV glass.)