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H.E.R.O. INDUSTRIES 1150GSD MANUAL - “B” VERSION
21
1. Prime not closed tightly. (tighten valve stem,(ref# 46) further)
2. Prime valve worn. ( install prime valve repair kit, (ref# 42). See page 27 for detailed instructions.)
SPRAY PATTERN IS SPOTTY OR UNEVEN
1. Pressure is too low. (increase pressure slowly until problem is corrected ).
2. Spray material too thick. (thin as recommended by material manufacturer).
3. Plugged siphon screen, siphon tube, gun filter or a combination. (inspect and clean or replace as
required).
4. Plugged tip. (remove and clean tip).
5. Pump malfunctioning or unsuitable for the material. (refer to other areas of troubleshooting guide and
check material requirements vs 1150GSD output abilities).
SPRAY PATTERN LEAVES LINES OR FINGERS
1. Pressure too low. (increase pressure slowly until problem is corrected).
2. Worn tip. (replace tip).
3. Tip too small for spray material. (change to larger tip or increase pressure. See material manufacturers
recommendations).
EXCESSIVE OVERSPRAY OR FOGGING
1. Pressure too high. (reduce pressure as required).
2. Material too thin. (follow material manufacturers recommendations re-thinning).
3. Tip too large. (reduce tip size).
4. Improper application technique. (refer to proper application techniques on page 10-12).
5. Too windy. (wait for wind to let up).
HYDRAPULSE MEMBRANE REPLACEMENT
(REF# 54)