Gage Bilt GB722 Installatiehandleiding - Pagina 7

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FILLING AND BLEEDING TOOL

NOTE:

Air bleeder assy (704153) is required.

WARNING:

Do not cycle tool without air bleeder assy (704153), or the button head cap screw (402482) and stat-o-seal (S572),

installed in the head cylinder assy (752119). Severe personal injury may result.

CAUTION:

Before filling handle assy (722132), the air piston assy (704121) should be all the way down.

CAUTION:

When forcing piston rod assy (722133) downward with head cylinder assy (752119) removed, hydraulic oil will

eject forcibly from handle assy (722132).

CAUTION:

Use CAUTION when removing button head cap screws (402482), stat-o-seals (S572) and air bleeder assy (704153).

Hydraulic oil may be under pressure

WARNING:

Failure to follow these instructions carefully may result in severe personal injury

To replace a small amount of oil in the tool, remove the button head cap screw (402482) and stat-o-seal (S572) from the head cylinder

assy (752119). Attach the air bleeder assy (704153) and connect tool to air line. Cycle a number of times. Disconnect air, remove the

air bleeder assy (704153), and reinstall the button head cap screw (402482) and stat-o-seal (S572) and torque 35-40 inch lbs on the

head cylinder assy (752119). This will ensure the removal of any air from the hydraulic system and its replacement with oil.

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

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 the actuator lever assy (704343)

1. Remove head cylinder assy (752119) from handle assy (722132). Slowly push piston (752507) completely forward.

2. Fill handle assy (722132) and the oil passage on top of handle assy (722132) with automatic transmission oil, Dexron III or

equivalent. When looking at the top of the handle assy (722132), the oil passage is the hole that is counterbored for (S832) o'ring.

3. Replace head cylinder assy (752119) with care, ensuring gasket (704129) and o'ring (S832) are properly installed. Tighten button

head cap screws (A-928) uniformly to 40 inch lbs. to prevent leakage around gasket (704129).

4. Remove button head cap screw (402482) and stat-o-seal (S572) from the head cylinder assy (752119). Install air bleeder assy

(704153) and connect tool to air line. Cycle ten to twenty times to fully circulate oil through hydraulic system.

DISCONNECT AIR FROM

on the head cylinder assy (752119). Torque 35-40 inch lbs. Reconnect air supply. Cycle tool 5-6 times and check stroke of .590"

(15.0 mm) (See below). We recommend using dial calipers. With the actuator lever assy (704343) released check dimension (A).

Holding the actuator lever assy (704343), check dimension (B). Subtract dimension (A) from dimension (B). If stroke is not

consistent within 1/64" (.0156) (.396 mm), repeat steps 4 & 5.

TROUBLE SHOOTING

Providing all maintenance conditions have been met, follow this systematic approach to diagnosis.

1. MORE THAN ONE PULL IS REQUIRED TO BREAK RIVET.

Tool needs to be bled. (See filling and bleeding instructions.)

Spring has fatigued, replace.

Jaws are stripped or packed with chips. Clean or replace.

2. SLOW OR PARTIAL OPERATION WHEN THE ACTUATOR LEVER ASSY (704343) IS DEPRESSED

Polyseal (A-1134) and o'ring (400791) on piston (752507) could be worn or damaged. Replace.

O'rings (A-914) and (731134) on piston rod assy (722133) could be worn or damaged. Replace.

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

compressed air.

Hole in metering screw in valve spool assy (703142) 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

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

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.

Check o'rings on valve sleeve (703139), valve spool assy (703142), and valve plug (704145). If worn or damaged, replace.

Valve sleeve removal tool (704163) is recommended.

6. FASTENER STEM JAMMED IN NOSE ASSEMBLY

Nose assembly components require service.

disassemble. Replace worn or broken parts. Clean the surface the jaws ride on.

Stems lodged side by side in the follower. Disassemble, remove stems, and reassemble.

Incorrect follower.

S/N: 1753 AND ABOVE

PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.

TOOL. Remove air bleeder assy (704153) install button head cap screw (402482) and stat-o-seal (S572)

.185 (4.7mm)

AND DISCONNECTING THE AIR SUPPLY:

DISCONNECT AIR FROM

TOOL, remove the nose from the tool and

(B)

.775 (19.7mm)

REV. 1/15