Gage Bilt GB713 Original-Bedienungsanleitung - Seite 11

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Gage Bilt GB713 Original-Bedienungsanleitung
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 AIR ACTUATOR ASSY (704130) IS DEPRESSED
a)
Polyseal (A-1119) and o'ring (400793) on the piston (713211) could be worn or damaged. Replace.
b)
Back-up ring (S908) and o'ring (A-201) on the piston rod assy (744136) could be worn or damaged. Replace.
c)
Muffler (744143) or filter inside valve spool assy (743142) may be plugged with dirt. Clean thoroughly and back-blow
with compressed air.
d)
Hole in metering screw in valve spool assy (743142) may be blocked or damaged. Hole diameter should be .028". Clear
and size or replace.
3. NO OPERATION WHEN AIR ACTUATOR ASSY (704130) 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 (704162) is recommended.
b)
Check o'rings on valve sleeve (743144), valve spool assy (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.
GB713

TROUBLESHOOTING

DISCONNECT AIR FROM
11
TOOL, remove the nose from the tool and
7/11 REV 6/16