Graco 255352 SDP5 Инструкция по эксплуатации онлайн [27/44] 167880

Troubleshooting

312865T 27

Preset Models only - Trigger does not

reset sufficiently to dispense fluid.

Excessive dirt buildup is causing trip

rod to stick.

Clean trip rod or replace (page 30).

Order Kit 255889.

Meter leaks from twist lock nozzle.

• It is important to distinguish

between the two causes of this

problem. A new nozzle will NOT

correct a fluid leak caused by a

faulty valve.

Twist lock nozzle has a damaged

seal.

Replace nozzle. See Step 1 in Instal-

lation Procedure, page 11.

Valve has damaged or obstructed

seals.

Clean valve stem and o-rings or

replace. Order Kit 16F811.

Meter leaks from swivel.

Poor swivel/hose connection. Apply PTFE tape (leave a minimum 2

engaged threads uncovered for elec-

trical continuity) or sealant to threads

of hose and tighten the connection.

See Step 3 in Installation Procedure,

page 10.

Poor swivel/meter housing connec-

tion.

Torque the fitting to 20-25 ft.-lbs.

Swivel seals have deteriorated and

leak.

Replace swivel.

Unit does not stop dispensing when

assumed preset amount is dis-

pensed.

Valve is dirty. Clean valve.

Low battery. Replace batteries, page 29.

Solenoid not functioning (Preset

only).

Replace solenoid.

Problem Cause Solution