5 | Maintenance
6 / 8 3317247A_OI_Marine Roof 50 Series
5 Maintenance
Fig.7 Greasing the guides and rails
1. Clean the roof regularly.
2. Wash the glass panel with clean water and a soft cloth,
chamois, or sponge. Never rub a dry surface. Do not use
abrasive, or harsh solutions such as turpentine or mineral
spirits when cleaning glass panels.
3. Wash the remainder of the roof with warm water using a
professional marine-grade cleaning product. Rinse with
clean water.
4. Apply a thin layer of grease (Isoflex® Topas L32) to the in-
side of the guides (1) and rails (2) to ensure smooth sliding.
Available through Webasto.
• Never use:
– Alkaline products containing sodium solutions.
– Acid products like muriatic or those containing phos-
phor.
– Steel wool, abrasives or sandpaper.
– Alkaline-containing cleaning products for glass, as these
can corrode aluminium.
6 Troubleshooting
Symptom Possible cause Possible solution
Poor opening / tilt-
ing of the roof.
Polluted seal. Clean the seal with
a mild detergent
and repeat opening/
closing the roof.
Poor roof move-
ment.
Polluted guides and
rails.
Clean the inside of
the guides and rails.
Apply a thin layer of
grease to the inside
of the guides and
rails. See chapter5,
"Maintenance" on
page 6.
If the roof still does not operate smoothly, please contact your
boat manufacturer for maintenance and / or repair.