Gage Bilt GB208-625 Manuel d'instructions original - Page 11

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Providing all maintenance conditions have been met, follow this systematic approach to diagnosis.
1.
NO OPERATION WHEN ELECTRIC ACTUATOR (240122) / AIR ACTUATOR ASSEMBLY (704130) IS DEPRESSED.
a.) Check powerunit power source.
b.) Control cord may be loose or damaged.
c.) Faulty actuator. Replace.
d.) Check hydraulic couplings; tighten, repair or replace.
2.
SLOW OR PARTIAL OPERATION WHEN ELECTRIC ACTUATOR (240122) / AIR ACTUATOR ASSEMBLY (704130) IS DEPRESSED.
a.) Low hydraulic pressure. Check powerunit, adjust.
Back-up ring (401121) or o'ring (404457) on the piston assembly (208111) could be worn or damaged. Replace.
c.) Solenoid pin in directional valve on powerunit worn or peened over. Replace.
d.) Excessive wear or scoring on moving parts. Check and replace faulty parts.
3.
TOOL OPERATES IN REVERSE.
a.) Tool stops in back position. Hydraulic hoses are reversed. Correct.
4.
HYDRAULIC OIL OVERHEATS.
a.) Powerunit motor rotation reversed. Electrical connections reversed. See powerunit instruction manual.
b.) Restrictions in either hydraulic lines, hoses or couplings. Check and tighten, clean or replace.
5.
OIL LEAKAGE.
a.) Hydraulic oil leaks from connections. Tighten threaded connections. Do not use Teflon® tape.
b.) Oil leaks from tool. Determine source of leak and replace worn or defective o'rings and back-up rings.
6.
PINTAIL GROOVES STRIPPED DURING PULL STROKE.
a.) Nose Assembly must be pushed onto fastener fully.
b.) Chips may have collected in chuck jaws. Disassemble nose assembly, clean jaws in mineral spirits using a sharp pointed
object and re-lube surfaces jaws ride on.
c.) Chuck jaws may be worn or damaged. Replace.
d.) Pintail too short for jaws to properly grip. Select proper grip length fastener.
e.) Excessive gap between sheets. Reduce gap before attempting to install fastener.
7.
NOSE ASSEMBLY WON'T ACCEPT FASTENER PINTAIL.
a.) Spent fastener stem may be jammed in pulling head. Disassemble and check for worn or broken parts in nose assembly.
Replace defective parts, clean and re-lube before reassembling.
GB208-625 / GB208-625A

TROUBLESHOOTING

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