Graco Inc. 260100 Benutzerhandbuch

Motor runs but pump will not 
prime.

Motor rotation wrong. 
(260100 only)

Check wiring instructions for 
possible problems.

Dirt under pressure relief valve. Remove pressure relief valve 

and inspect, clean, or replace if 
damaged.

Worn or damaged gears.

Remove cover and inspect 
gears. Replace if worn or dam-
aged.

Oil level low.

Refill tank.

Cover seal (5) damaged.

Replace if worn or damaged.

Inlet suction screen clogged 
(used oil).

Remove and clean or replace.

Air leak in suction tube.

Inspect all joints in suction 
tube, make sure all threaded 
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 fluid through 
top of pump.

Motor does not run at proper 
speed.

Check electric connections. 
Ensure supply voltage is at 
proper level.

Oil leaking in motor mount.

Faulty or damaged motor shaft 
seal.

Replace shaft seal (4).

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.