Gage Bilt GB745SH Manuale d'uso - Pagina 8

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TROUBLESHOOTING

Providing all maintenance conditions have been met, follow this systematic approach to diagnosis.
1. MORE THAN ONE PULL IS REQUIRED TO BREAK RIVET.
a)
Tool needs to be bled. (See filling and bleeding instructions.)
b)
Spring has fatigued, replace.
c)
Jaws are stripped or packed with chips. Clean or replace.
d)
Incorrect nose tip.
2. SLOW OR PARTIAL OPERATION WHEN THE ACTUATOR LEVER ASSY (704312) IS DEPRESSED
a)
O'ring (403815) and back-up ring (401119) could be worn or damaged. Replace.
b)
O'ring (403846) and o'ring (405889) could be worn or damaged. Replace.
c)
Muffler (744143) or filter inside valve spool ass'y (743142) may be plugged with dirt. Clean thoroughly and back-blow
with compressed air.
d)
Hole in metering screw in valve spool ass'y (743142) may be blocked or damaged. Hole diameter should be .028". Clear
and size or replace.
3. NO OPERATION WHEN THE ACTUATOR LEVER ASSY (704312) IS DEPRESSED
a)
Tool seized due to mechanical failure or damaged parts.
4. OIL LEAKAGE
a)
DO NOT
OPERATE WITH OIL LEAKING FROM TOOL. HIGH PRESSURE OIL MAY CAUSE SEVERE PERSONAL INJURY.
b)
Any oil leaking externally should be traced to its source. An o'ring or seal that leaks should be replaced.
5. AIR BYPASS FROM VALVE HOUSING
a)
If the spring (744144) breaks or dislodges, air will flow freely through the muffler (744143). Replace or reset. Valve spring
installation tool (744151) is recommended.
b)
Check o'rings on valve sleeve (743144), valve spool ass'y (743142), and valve plug (744142). If worn or damaged, replace.
Valve sleeve removal tool (744152) is recommended.
6. FASTENER STEM JAMMED IN NOSE ASSEMBLY
a)
Nose assembly components require service.
disassemble. Replace worn or broken parts. Clean the surface the jaws ride on.
b)
Stems lodged side by side in the follower. Disassemble, remove stems, and reassemble.
c)
Incorrect follower.
S/N: 1033 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
DISCONNECT AIR FROM
8
TOOL, remove the nose from the tool and
7/12 REV. 8/14