Graco APEX 260105, Instructions And Parts List

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Troubleshooting
6 311306E
Troubleshooting
Problem Cause Solution
Motor runs but pump will not
prime. Dirt under pressure relief valve
or seal. Remove pressure relief valve
and inspect, clean, or replace if
damaged.
Worn or damaged gears. Remove cover and inspect
gears. Replace if worn or
damaged.
Fluid level low. Refill tank.
Cover seal damaged. Replace if worn or damaged.
Inlet strainer clogged. Remove and clean or replace.
Air leak in suction tube. Inspect all joints in suction
tube, make sure all joints have
sealant applied.
Air lock in system. This may occur if filter or meter
or automatic shut-off nozzle is
used. If this occurs, fill pump
and meter with fuel through top
of pump.
Motor does not run at proper
speed. Check electric connections.
Check supply voltage for
proper voltage level.
Oil leaking in motor mount. Faulty or damaged motor shaft
seal. Replace shaft seal
Operating pump extended time
with nozzle closed. Do not exceed 5 minutes of
operation with nozzle closed.
Motor shaft worn. Replace motor if shaft has
groove worn in seal area.