TROUBLESHOOTING
1. Rivet mandrel is gripped by the jaws but the rivet can not be set and mandrel can not be bro ken:
CAUSE:
Low air pressure or loss of hydraulic fluid.
REMEDY
:
Increase air pressure to 7 bar (100 psi) maximum at tool. Make sure all fittings including rear gland and head are tight. If malfunction persists, call
authorized Sunex Tools
®
warranty center.
2. Mandrel does not fit completely into nosepiece or fails to eject:
CAUSE:
Jaw Housing distance incorrect.
REMEDY:
Loosen the head and check the rated stroke length. If shorter, search for worn or damaged o-rings and replace it.
CAUSE:
Jaws are dirty or damaged.
REMEDY:
Clean or replace the jaws.
CAUSE:
Fatigued jaw pusher spring.
REMEDY:
Replace the jaw pusher spring.
CAUSE:
Fatigued Return Spring.
REMEDY:
Replace the return spring.
CAUSE:
Air leakage in vacuum system.
REMEDY
:
Search for worn or damaged seals in the vacuum system and replace it.
3. Tool takes more than two strokes under ideal con di tions to set rivet and break mandrel:
CAUSE:
Low air pressure.
REMEDY:
Increase air pressure but do NOT exceed 7 bar (100 psig) at tool.
CAUSE:
Loose Nosepiece or improper size of nose piece.
REMEDY:
Tighten nosepiece or use right size.
CAUSE:
Rivet body too long for the thickness of the joint.
REMEDY:
The rivet body should be 3-6mm longer than the thickness of joint only.
If malfunction persists, call an authorized Sunex Tools
®
war ran ty center.
