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AIRLESSCO'S SLOW STROKING DC POWERED PUMPS
MODELS 3600SL, 4100SL & 5300SL
The AIRLESSCO SL SERIES of airless paint sprayers are a culmination of years of development
work resulting in a new class of airless sprayers. Incorporated into the design is Airlessco's proven
Slow Stroking Paint Pump, a new low speed, quiet gear system and a DC Motor that stays cool even
when you run long extension cords. The SL Series pumps are severe duty pumps designed to meet
the needs of professional painting contractors.
MODEL 3600SL
Pressure
3000 PSI
Output
0.7 GPM
Tip Size 1 GUN UP TO 0.023
MODEL 5300SL
Pressure
3000 PSI
Output
1 GPM
Tip Size 1 GUN UP TO 0.031
2 GUNS UP TO 0.019
MODEL 4100SL
Pressure
3000 PSI
Output
0.8 GPM
Tip Size 1 GUN UP TO 0.027
2 GUNS UP TO 0.017
SPECIFICATIONS
Prior to starting, read, understand and observe all
safety precautions & warnings on page 4, 5, 6 & 7 and
all labels and tags on the machine.
WARNING
1. New Sprayer
Your new Airlessco unit was factory tested in
an Anti-freeze solution, which was left in the pump.
Before using oil-base paint, flush with mineral spririts
only.
Before using water-base paint, flush with
mineral spirits, followed by soapy water, then a clean
water flush.
2. Changing Colors
Flush with a compatible solvent such as min-
eral spirits or water.
3. Changing From Water-base to Oil-base
Flush with soapy water, then mineral spirits.
4. Changing From Oil-base to Water-base
Flush with mineral spirits, followed by soapy
water, then a clean water flush.
5. Storage
Read prior to using your sprayer
Always relieve pressure (See pressure relief
procedure on page 6) prior to storage or when
machine is unattended.
Oil-base Paint: Flush with mineral spirits. Ensure that
there is no pressure in the unit, then close the prime/
pressure relief valve.
Water-base Paint: Flush with water, then mineral
spirits. For longer term storage use a 50/50 mixture of
mineral spirits and motor oil. Always ensure that there
is no pressure in the unit, and close the prime/pres-
sure relief valve for storage.
WARNING: NEVER LEAVE PUMP UNATTENDED
WHILE UNDER PRESSURE !
6. Start Up After Storage
Before using water-base paint, flush with
soapy water and then a clean water flush.
When using oil-base paint, flush out the
mineral spirits with the material to be sprayed.
INTRODUCTION
FLUSHING -
