Gage Bilt GB734V Manuale - Pagina 5

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FILLING & BLEEDING PROCEDURE:

WARNING

DO NOT CYCLE TOOL WITHOUT AIR BLEEDER, OR THE SCREW AND STAT-O-SEAL, INSTALLED IN TOOL HEAD.

SEVERE PERSONAL INJURY MAY RESULT.

CAUTION

BEFORE FILLING HANDLE, AIR PISTON SHOULD BE ALL THE WAY DOWN.

`* FILLING & BLEEDING VIDEO AVAILABLE AT: www.gagebilt.com/bleeding.htm

To replace a small amount of oil in the tool, attach the air bleeder and connect tool to air line. Cycle a number of times.

Disconnect air, remove the air bleeder, and reinstall the cap screw. This will insure the removal of any air from the hydraulic

system and its replacement with fluid.

Should it become necessary to completely refill the tool (such as would be required after tool has been dismantled and

reassembled), take the following steps after depressing trigger

1. Remove head assembly from handle assembly. Slowly push piston completely forward.

2. Fill handle and oil passage on top of handle with automatic transmission fluid, Dexron III or equivalent. When looking

at the top of the handle, the oil passage is the hole that is counterbored for S832 o'ring.

3. Replace head assembly with care, insuring gasket (704129) and o'ring (S832) are properly installed.

screws (402479) uniformly to prevent leakage around gasket.

4. Remove screw (402482) and stat-o-seal (S572) install bleeder bottle (704153) and

ten to twenty times to fully circulate fluid through hydraulic system.

DISCONNECT AIR FROM

Reconnect air and cycle tool 10 more times. Check tool stroke, if stroke doesn't check .900" min. (See figures below)

1.140

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 TRIGGER IS DEPRESSED

a) Head Piston Rings (A-289) and (401112) could be worn or damaged. Replace.

b) Piston Rod Rings (S908) and (A-201) could be worn or damaged. Replace.

c) Muffler (744143) or filter inside spool (743142) may be plugged with dirt. Clean thoroughly and back-blow with compressed air.

d) Hole in metering screw in valve spool (743142) may be blocked or damaged. Hole diameter should be .028". Clear and size or

replace.

3. NO OPERATION WHEN TRIGGER 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 (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. DISCONNECT AIR FROM TOOL, remove the nose from the tool 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

TOOL. Remove bleeder bottle (704153) install screw (402482) and stat-o-seal (S572).

AND DISCONNECTING THE AIR SUPPLY:

.050

Tighten cap

connect tool to air line, cycle

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