Hussmann T-8 Replacement Instructions Manual

ELECTRONIC LIGHTING SYSTEM

T-8 LAMP REPLACEMENT INSTRUCTIONS

CENTER MULLION FIXTURES:

1. Turn light power off before start of lamp
replacement.

2. Remove top and bottom spring steel clips (1).
Insert small flat-head screwdriver under clip to
release clip from side of fixture. On one side at a
time, pull clip out of prepunched holes in side of
mullion. See dwg. #1

3. Remove ELS lens. Starting at top pull lens away
from front of light fixture, attached to frame
mullion (2). (If necessary a small flat-head
screwdriver can be inserted between the lens and
black mullion plastic (3), to ease the lens out of
the groove). There is no need to remove lens
from the bridge. (the “bridge” is the black or
clear plastic piece connecting the two lenses at
the back of the fixture).

If pulled away from one side carefully, the lens
will swing back into the case to give access to the
bulb. Otherwise, the left and right lenses and the
bridge will pull away from the fixture – in on e
complete section (4).

4. With lens removed, hold lamp with fingers and
twist bulb to line up with socket access holes (5).
Remove old bulb. Remove insulator tubes from
both ends of old bulb, and replace on ends of
new bulb (5).

To install new bulb, place into socket, and turn
TWO CLICKS. On the top and bottom of lamp
sockets, there are foam end caps (7). End caps
must be attached before lens is replaced.

CENTER MULLION FIXTURES Con’t

5. Be sure that both ELS lenses are snapped
securely into the plastic bridge before re­installing on the light fixture (8). See Dwg.
#1 for end view.

6. Install clip on plastic bridge if required
before reinstalling on light fixture.

7. Starting at the top on one side of the light
fixture, line up the edge of the lens with the
groove in fixture plastic (9). Snap lens into
groove. Repeat with lens on the other side,
if removed.

8. Holding lens snugly against top of light
fixture, install spring steel clip over lens (10).
Snap clip into pre-punched holes on each
side of mullion. Move to bottom of fixture
and install bottom clip.

Important – Bulb Insulators (5) must be
on each end of bulb before lenses are re­installed. Foam end caps (7) should be
securely attached to top and bottom of
lamp sockets. (Foam end caps are cut to fit

snugly, but if they have become dislodged or
pulled out during changes, they must be
replaced!

9. Turn light power on.

CLIP

LENS

CENTER MULLION REFLECTOR

BRIDGE CLIP

LENS

CENTER MULLION
FOAM END CAP

NOTCH FOR CLIP

ELECTRONIC LIGHTING SYSTEM

LAMP REPLACEMENT INSTRUCTIONS
FRAME END FIXTURES

1. Turn light power off before start of

lamp replacement.

2. Remove top and bottom spring steel

clips (11). Insert small flat-head
screwdriver under flat portion of spring
steel clip to remove from side of light
fixture. See Dwg. #2 on next page
Swing clips to the side till re­installation.

3. Remove ELS lens. Starting at top, pull

lens away from inside front edge of
fixture (12). (If necessary, a small flat­heat screwdriver can be inserted
between the lens and black fixture
plastic (13), to ease the lens out of the
groove). If rear edge of lens is left in
fixture plastic, lens will swing back on
flexible “hinge” to expose bulb (14).

4. Reaching into fixture, hold bulb with

fingers and twist to line up with socket
access holes. Remove old bulb.
Remove insulator tubes from both ends
of old bulb, and replace on ends of new
bulb (5).

To install a new bulb, place into socket,
and turn two clicks. On the top and
bottom of lamp sockets, there are foam
end caps (7). End caps must be
attached before lens is replaced.