9
MAINTENANCE
Parts That Wear
The round spray nozzle and the valve are common wear parts. Their life span depends on how
abrasive the paint is. A basic life expectancy with the use of various paints is:
Lacquer, enamel and clear stain 15 - 30 gallons
Alkyde, and oil stain 10 - 20 gallons
Latex and water base stain 5 - 10 gallons
These parts are easily replaceable and should be replaced when worn to maintain excellent
performance. Visual inspection for wear is as follows: (Operating sprayer with worn parts will
cause abnormal drive line wear).
1. Round spray nozzle - hole size of a new nozzle is shown actual size. Using a wire or
equivalent will help make a comparison between your nozzle and the dot.
New Nozzle Worn Nozzle
New nozzle
actual hole size:
.6mm =
.8mm =
Replace nozzle when hole
becomes larger than:
.6mm =
.8mm =
Round Orifice Large and usually oval orifice
2. Valve - A new valve will allow the gun to prime in approximately two seconds. If it takes eight
seconds or longer, replace the valve.
New Valve Worn Valve
Round and long Formed channels Angled and short Large “pit”
Servicing
If you have any problems with the electrical system, the spray gun should be returned to your
nearest Lemmer Authorized Service Centre.
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