Gage Bilt GB703SRVT/6N10E Руководство пользователя - Страница 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 LEVER IS DEPRESSED

a) Poly Seal (405865) and O'rings (400788) on piston (703607) could be worn or damaged. Replace.

b) Back-up Rings (401102) and O'ring (S945) on piston rod assy (704138) could be worn or damaged. Replace.

c) Muffler (704146) or filter inside valve spool assy (703142) may be plugged with dirt. Clean thoroughly and

back-blow with compressed air.

d) Hole in metering screw in valve spool ass'y (703142) may be blocked or damaged. Hole diameter should be

.028". Clear and size or replace.

3. NO OPERATION WHEN LEVER IS DEPRESSED

a) Tool seized due to mechanical failure or damaged parts.

4. OIL LEAKAGE

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 (704141) breaks or dislodges, air will flow freely through the muffler (704146). Replace or reset.

Valve spring installation tool (704162) is recommended.

b) Check o'rings on valve sleeve (703139), valve spool ass'y (703142), and valve plug (704145). If worn or

damaged, replace. Valve sleeve removal tool (704163) is recommended.

6. FASTENER STEM JAMMED IN NOSE ASSEMBLY

a) Nose assembly components require service.

and 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.

7. PINTAIL IS NOT BEING VACCUMED THROUGH.

a) Check vacuum pressure using vacuum gage 703567 (sold separately).

Note: Offset nose assemblies must be check by removing the vacuum line from the nose assembly.

b) Press gage against the vacuum line or nose assembly to create seal.

Optimum vacuum pressure at nose assembly must be between 15-22 in.Hg

HOW TO CLEAN VACUUM REGULATOR

1. Remove vacuum regulator (703515) from hose.

2. Remove (4) S.H.C.S. from front of regulator and disassemble.

3. Clean both pieces in clean mineral spirits and blow dry.

4. Reassemble and connect hoses.

Note: The vacuum regulator (703515) may visually appear clean, but still may be contaminated with a thin film, there-

fore, the steps above should be performed to assure best performance.

DISCONNECT AIR FROM

TOOL, remove the nose from the tool

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