Graco SDM15 User Manual

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 255888. 

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.