General Repair Information - Graco 190ES 309063F Repair Manual

General Repair Information

WARNING
Read Electric Shock Warning and
Burn Hazard Warning.
WARNING
Flammable materials spilled on hot,
bare, motor could cause fire or
explosion. To reduce risk of burns, fire or
explosion, do not operate sprayer with
cover removed.
D Keep all screws, nuts, washers, gaskets, and
electrical fittings removed during repair procedures.
These parts usually are not provided with replace-
ment kits.
D test repairs after problems are corrected.
D If sprayer does not operate properly, review repair
procedure to verify you did it correctly. See Trouble-
shooting, page 9.
D Overspray may build up in the air passages. Re-
move any overspray and residue from air passages
and openings in the enclosures whenever you
service sprayer.
D Do not operate the sprayer without the motor
shroud in place. replace if damaged. Motor shroud
directs cooling air around motor to prevent over-
heating and insulate the control board from acci-
dental electric shock.
WARNING
To reduce risk of serious injury, including
electric shock:
D Do not touch moving or electric parts
with fingers or tools while testing repair
D Unplug sprayer when power is not
required for testing
D Install all covers, gaskets, screws and
washers before you operate sprayer
CAUTION
D Do not run sprayer dry for more than 30 seconds.
Doing so could damage pump packings.
D Protect the internal drive parts of this sprayer
from water. openings in the cover allow for air
cooling of the mechanical parts and electronics
inside. If water gets in these openings, sprayer
could malfunction or be permanently damaged.
D Prevent pump corrosion and damage from freez-
ing. Never leave water or water--base paint in
sprayer when it is not in use in cold weather.
Freezing fluids can seriously damage sprayer.
Store sprayer with Pump armour to protect spray-
er during storage.
D Do not operate the sprayer without the motor
shroud or control box cover in place. Replace if
damaged. Motor shroud directs cooling air around
motor to prevent overheating and the control box
cover insulates the control board from accidental
electric shock.
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