Magnum 257065 Spécifications télécharger pdf (Page 15)

Basic Troubleshooting

313036L 15

Pump cycles but does not build up

pressure.

Prime/Spray valve in PRIME posi-

tion (pointing down).

Turn Prime/Spray valve to SPRAY

position (pointing forward).

Pump is not primed. Prime pump, see Operation manual

313034.

Inlet screen is clogged or suction

tube is not immersed.

Clean debris off inlet screen and

make sure suction tube is immersed

in fluid.

Suction tube is leaking, allowing air

to enter.

Check suction tube for cracks and

cuts. Make sure suction tube clamp

is on hose. Replace suction tube if

cracked or damaged.

Prime/Spray Valve is worn or

obstructed with debris.

Take sprayer to Graco/M

AGNUM

authorized service center.

Pump check ball is stuck. Read Pump does not prime sec-

tion in Troubleshooting, page 14.

Pump cycles, but paint only dribbles

or spurts when spray gun is trig-

gered.

Pressure is set too low. Slowly turn pressure control knob

clockwise to increase pressure set-

ting which will turn motor on to build

pressure.

Spray tip is clogged. Unclog spray tip, see Operation

manual 313034.

InstaClean fluid filter is clogged.

(ProLTS 17 and ProLTS 19 Only)

Clean or replace InstaClean fluid fil-

ter, see Operation manual 313034.

Spray gun fluid filter is clogged. Clean or replace gun fluid filter, see

Operation manual 313034.

Spray tip is too large or worn. Replace tip.

Problem Cause Solution

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Magnum 257065 Spécifications Page 15

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