Alentec & Orion AB
Grustagsvägen 4, SE-13840, Älta, SWEDEN · [email protected] · www.alentec.com
6
GENERAL / ALLMÄNT
SYMPTOM
POSSIBLE FAULT
SOLUTION
Pump stationary, or runs
very slowly
No or low air pressure
Check the air line valve, regulator and quick coupler.
Faulty or jammed air motor.
Try to lubricate the air motor by use a regular oil can and use a
regular air tool oil. If that isn’t enogh continue with Service of air
motor chapter. Check seals as required and replace any faulty
parts.
Blocked air inlet filter
Change or clean the air inlet filter
Ice blocking air exhaust
Inspect for possible condensated water in air filter or, if the pump
has “raced”, that there is no leakage in the pipe work.
Foreign object jamming the movement of the
central bar.
Check for free movement and for foreign objects in piston valve,
feed washer etc.
Pump reciprocating but not
delivering
No grease or air pocket in grease drum.
Check grease level in drum/tank
Piston valve or seals worn out.
Check for foreign objects in piston valve seat. Check seals for
wear and damage.
Grease coming out between
the the pump tube and air
motor.
Packing between air motor and pump is worn
out or damaged.
See “Service, “Pump mechanism and packings”
Pump is running despite the
outlet being closed
Packing on the lower piston assembly is worn
out or damaged.
Change worn or damaged parts. See “Service to pump mecha-
nism”.
Dirt in the bottom valve or in the lower piston
assembly.
See “Service to pump mechanism”.
Dirt or foreign parts in the outlet check valve
Open the check valve at the outlet connection and look for dirt
which restrict the ball from close correct.
Feed washer is loose.
Check for foreign objects in bottom end the pump tube. A very
hard or cold grease can sometimes brake the the safety pin. Prior
to changing drum, store the drum indoors for at least 5 days to
equalize the temperature.
EN
TROUBLESHOOTING
