Gage Bilt GB704SH Manual - Page 7

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Gage Bilt GB704SH Manual

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 (704343) IS DEPRESSED
a)
Polyseal (A-1118) and o'rings (400789) on piston (704507) could be worn or damaged. Replace.
b)
Back-up ring (S908) and o'ring (A-201) on piston rod ass'y (744136) could be worn or damaged. Replace.
c)
Muffler (744143) or filter inside valve spool assy (744140) may be plugged with dirt. Clean thoroughly and back-blow with
compressed air.
d)
Hole in metering screw in valve spool assy (744140) may be blocked or damaged. Hole diameter should be .028". Clear
and size or replace.
3. NO OPERATION WHEN ACTUATOR LEVER ASSY (704343) 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 (744138), valve spool assy (744140), 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.
GB704SH S/N: 1089 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
DISCONNECT AIR FROM
TOOL, remove the nose from the tool and
7
Rev 3/15