SHEREX® ~ 400 Riverwalk Pkwy, Suite 600 Tonawanda, NY, 14150 ~ 866-4SHEREX ~ www.sherex.com
11
T
ROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
SOLUTION
⇒
Motor air leaks
⇒
Check for worn out seals. Replace
⇒
Low air pressure
⇒
Increase it
Pneumatic motor
runs slowly
⇒
Air vanes jammed
⇒
Lubricate tool through air inlet
⇒
Pull force not set properly
⇒
Adjust
⇒
Air pressure outside limits
⇒
Adjust
⇒
Low oil level
⇒
Add oil and prime
Insert does not
deform properly
⇒
Insert out of the grip
⇒
Check the insert grip range
⇒
Mandrel worn/damaged
⇒
Replace Mandrel
⇒
Hex Driver worn/damaged
⇒
Replace Hex Driver
Mandrel does not
spin
⇒
Loose locking ring
⇒
Tighten Locking Ring
⇒
Incorrect insert thread
⇒
Replace with proper insert
⇒
Incorrect mandrel
⇒
Replace with proper mandrel
Insert does not
spin on the
mandrel
⇒
Mandrel out or damaged
⇒
Replace
⇒
Excessive pull force
⇒
⇒
⇒
Defective insert
Defective or worn out or
damaged mandrel
⇒
⇒
Tool is locked in
installed insert
Depress manual spin off
If this does not work, disconnect
air, insert a pin through nose
casing slots and unscrew.
Contact Sherex
Replace Mandrel
⇒
Excessive pull force
⇒
Reduce pull force
Mandrel breaks
prematurely
⇒
Side load on mandrel
⇒
Keep the tool square to the application
when placing insert
⇒
⇒
No air supply
Insufficient distance between
locknut and spindle
⇒
⇒
Connect
Set distance between 1.5 and 2 mm
Tool does not spin
on insert
⇒
Air motor jammed
⇒
Lubricate through air inlet or if required
contact Sherex authorized repair center
Auto reverse stops
working but the
manual reverse
does work
⇒
Oil level
⇒
Check oil level and add more oil to the
tool
