Setup/Startup
12 3A3388A Operation
Setup/Startup
1. Perform
Pressure Relief Procedure
, page 11
.
2. Perform Grounding Procedure (For Flammable
Materials Only), page 11, if using flammable mate-
rials.
3. Fill throat packing nut with Throat Seal Liquid (TSL)
to decrease packing wear.
4. Check engine oil level. Add SAE 10W-30 (summer)
or 5W-30 (winter). See engine manual.
5. Fill fuel tank.
6. Set pump switch to OFF. Turn engine off.
7. If removed, install strainer.
8. Turn prime valve down. Turn pressure control coun-
terclockwise to lowest pressure.
NOTE: Minimum hose size allowable for proper
sprayer operation is 3/8 in. x 50 ft for LL3900/5900.
9. Place siphon tube set in grounded metal pail par-
tially filled with flushing fluid. Attach ground wire to
true earth ground. Use water to flush water-base
paint and mineral spirits to flush oil-base paint and
storage oil.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury
from pressurized fluid, such as skin injection, splash-
ing fluid and moving parts, follow the Pressure Relief
Procedure when you stop spraying and before clean-
ing, checking, or servicing the equipment.
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