Alvarado MSGX Panduan Petunjuk Pemasangan dan Pemeliharaan - Halaman 17
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Halaman CetakMSG Installation and Maintenance Instructions
Gate Finish Care (Cont.)
Stainless Steel Finishes:
Stainless steel is a corrosion resistant chromium/nickel alloy steel that is strong and durable. However, it is not
rustproof, particularly in harsh environments. In addition to actual damage, stainless steel can appear to rust when
contaminated through contact with carbon steel. This contact can come from tools, adjacent mild steel, fasteners,
particulate, or through contact with hard water (which can leave spotting and staining on stainless steel). The most
common method of contamination in windy, dusty, and/or industrial environments in the form of steel and mineral
particles that "land" on the stainless material. Mild steel naturally adheres to a stainless steel surface (due to iron-to-
iron affinity). Grained material and welds are common areas where foreign particles become trapped. In these cases,
it is generally the steel residue, not the stainless steel material itself, which rusts initially. If left untreated, however,
damage to the stainless steel surface itself can occur.
Regular cleaning is the best way to maintain any stainless steel finish. The goal of a cleaning program should be to
clean the surface, keeping the stainless steel's protective chromium oxide layer intact. The frequency of cleaning will
depend on the environment.
Regular cleaning can be accomplished by rinsing the stainless steel surface with fresh water to wash away
accumulated chemicals, materials and particulates. Wipe dry with a clean cloth. Clean equipment immediately after
coming in contact with chlorides (chlorine powder, salt melt, seawater, etc.).
For embedded deposits, use a neutral detergent, such as a car shampoo, clean warm water, and a soft brush. Rinse
the surface after cleaning. Never use steel wool. MAAS makes an excellent stainless steel cleaner in spray form,
MAAS Stainless Steel & Chrome Cleaner, available from the MAAS website (www.maasinc.com). All products listed
can also be used for general cleaning.
For stubborn stains, heavy spotting, and rust, our recommendation is MAAS Metal Polish (in liquid form). Follow the
manufacturer's directions but in brief: 1. wipe down excess dirt from the gate, 2. apply polish to the metal, 3. polish in
the direction of the grain with a super fine (0000) or fine (000) synthetic steel wool (depending on the level of tarnish),
4. wipe clean, 5. repeat steps 2 - 4 until clean. Again, never use steel wool.
Highly damaged areas may require chemical passivation. To chemically passivate stainless steel, Alvarado
recommends the use of a citric acid product, CitriSurf2310. This product is formulated to clean and passivate stainless
steel and can be used in the field.
Even with periodic cleaning, it is possible that periodic chemcial passivation will be required to maintain stainless steel
in especially harsh environments.
Powder Coat Over Galvanized Finishes:
To clean the powder coat finish, use a neutral detergent, such as car shampoo, and rinse with clean water. In the
event that the powder coat finish is chipped and bare metal is showing, seal the area as soon as possible, If the area
is not sealed, the underlaying metal will rust, which could eat away the powder coat and cause flaking. Touch up paint
is also available from Alvarado.
PUD1201R5-0
For Assistance: [email protected] +1 (909) 591-8431
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