Gage Bilt GB752SR Benutzerhandbuch - Seite 8

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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.

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 ASS'Y (724017) IS DEPRESSED

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

b) Back-up ring (401102) and o'ring (S945) could be worn or damaged. Replace.

c) Muffler (704146) or filter inside valve spool ass'y (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 ASS'Y (724017) 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 (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. 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.

OVERHAUL

The disassembly and re-assembly procedure can be accomplished by utilizing the following instructions and drawings. Use extreme

care during disassembly and re-assembly not to mar or nick any smooth surface that comes in contact with seals. Before installing

seals, always apply a good lubricant, such as Lubriplate®

facilitate overhaul. A complete overhaul can be achieved by the use of Service Kit 752022 which contains a complete set of o'rings,

back-up rings, screws, washers and gasket.

704214

STEM CATCHER BAG

WARNING

DEPRESS LEVER ASS'Y (724017) AND DISCONNECT FROM AIR WITH HEAD PISTON IN THE REAR POSITION BEFORE OVER-

HAUL. SEVERE PERSONAL INJURY MAY OCCUR IF AIR HOSE IS NOT DISCONNECTED.

ROD ASSEMBLY DOWNWARD WITH HEAD CYLINDER ASSEMBLY REMOVED, HYDRAULIC FLUID WILL EJECT FORCIBLY FROM

HANDLE.

704151

POWER CYLINDER TOOL

704149

PISTON ROD WRENCH

(704214 CATCHER BAG SHOWN ABOVE IS SOLD SEPARATELY)

GB740TK Service Tool Kit Includes:

Part No.

704149

704150

704151

704152

704153

S1178

744251

744152

to the surfaces. It is recommended that tool kit (GB704TK) be used to

704152

SEAL GUIDE

704150

PACKING PLUG WRENCH

Description

Piston Rod Wrench

Packing Plug Wrench

Power Cylinder Tool

Seal Guide

Bleeder Bottle

Valve Extractor

Valve Spring Installation Tool

Valve Sleeve Removal Tool

744251

VALVE SPRING

INSTALLATION TOOL

704153

BLEEDER BOTTLE

REMOVAL TOOL

USE CAUTION

S1178

VALVE

EXTRACTOR

744152

VALVE SLEEVE

WHEN FORCING PISTON

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