General Repair Information
General Repair Information
WARNING
Read Electric Shock Warning, page 3 and Burn Hazard Warning, page 4.
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.
•Keep all screws, nuts, washers, gaskets, and electri- cal fittings removed during repair procedures. These parts usually are not provided with replacement kits.
•Test repairs after problems are corrected.
•If sprayer does not operate properly, review repair procedure to verify you did it correctly. See Trouble- shooting, page 10.
•Overspray may build up in the air passages. Remove any overspray and residue from air pas- sages and openings in the enclosures whenever you service sprayer.
•Do not operate the sprayer without the motor shroud in place. Replace if damaged. Motor shroud directs cooling air around motor to prevent overheating and insulate the control board from accidental electric shock.
WARNING
To reduce risk of serious injury, including electric shock:
•Do not touch moving or electric parts with fingers or tools while testing repair.
•Unplug sprayer when power is not required for testing.
•Install all covers, gaskets, screws and washers before you operate sprayer.
CAUTION
•Do not run sprayer dry for more than 30 seconds. Doing so could damage pump packings.
•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, the sprayer could malfunction or be permanently damaged.
•Prevent pump corrosion and damage from freezing. Never leave water or
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