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HYDRAULIC UNITS
CYLINDERS
IV-81
TB53FR
DISASSEMBLY AND ASSEMBLY
Special Tools
See the table of special tools at the back of this section
for the jigs and tools used for disassembly and assem-
bly.
General Cautions
• Carry out disassembly and assembly in a clean
place and place the disassembled parts in a place
where they will be kept clean at all times.
• Before disassembly, clean the outside surface of
the cylinder thoroughly.
• In the disassembly and assembly operations, be
careful not to scratch any part. Take particular
caution with the sliding surfaces of parts.
• Clean all disassembled parts thoroughly with clean-
ing oil.
• Replace all seals with new parts.
• Replace the piston nuts, set screws, steel balls,
stoppers and snap rings with new ones each time
they are disassembled.
• Apply a thin coating of hydraulic oil to seals before
fitting them in place.
• After fitting, make sure the O-rings are not twisted.
• Apply clean hydraulic oil to each sliding portion
before assembling them.
In this manual, the procedure for the arm cylinder is
described. When necessary, the points which are
different in other cylinders are mentioned.
Disassembly
Cylinder Assembly
1. Fasten the clevis of the tube in a vice and place the
other end on a support block made of wood to
fasten the cylinder in a horizontal condition.
2. Drain out hydraulic oil remaining in the cylinder.
• Move the piston rod gently to prevent the
hydraulic oil from spraying out and scattering
all over.
3. Free the locked portion of the rod cover.
• Since the lock is integrated with the cylinder
tube, be careful not to bend it or to scratch it
when the lock is being freed.
4. Loosen the rod cover.
• The piston rod should be pulled out approxi-
mately 200mm beforehand.
• Measures should be taken to prevent the piston
rod from being hit.
Содержание TB53FR
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Страница 9: ...I 1 TB53FR I GENERAL...
Страница 24: ...GENERAL I 16 TB53FR...
Страница 25: ...I 17 TB53FR II SPECIFICATIONS II 1...
Страница 53: ...II 29 TB53FR III MACHINE CONFIGURATION III 1...
Страница 60: ...MACHINE CONFIGURATION DRIVE SYSTEM III 8 TB53FR...
Страница 68: ...MACHINE CONFIGURATION TRAVEL SYSTEM III 16 TB53FR...
Страница 74: ...MACHINE CONFIGURATION UPPER FRAME III 22 TB53FR...
Страница 80: ...MACHINE CONFIGURATION CONTROL SYSTEM III 28 TB53FR...
Страница 86: ...MACHINE CONFIGURATION ATTACHMENTS III 34 TB53FR...
Страница 87: ...TB53FR HYDRAULIC SYSTEM III 35 HYDRAULIC SYSTEM HYDRAULIC CIRCUIT DIAGRAM MACHINE CONFIGURATION J1C700...
Страница 88: ...III 36 TB53FR HYDRAULIC SYSTEM MACHINE CONFIGURATION...
Страница 91: ...TB53FR ELECTRICAL SYSTEM III 39 ELECTRICAL SYSTEM ELECTRICAL WIRING DIAGRAM MACHINE CONFIGURATION J1C802...
Страница 92: ...TB53FR MACHINE CONFIGURATION ELECTRICAL SYSTEM III 40...
Страница 94: ...MACHINE CONFIGURATION ELECTRICAL SYSTEM III 42 TB53FR...
Страница 110: ...MACHINE CONFIGURATION INTERFERENCE PREVENTION SYSTEM III 58 TB53FR...
Страница 111: ...III 59 TB53FR IV HYDRAULIC UNITS IV 1...
Страница 144: ...HYDRAULIC UNITS HYDRAULIC PUMP IV 34 TB53FR...
Страница 166: ...HYDRAULIC UNITS CONTROL VALVE IV 56 TB53FR...
Страница 186: ...HYDRAULIC UNITS PILOT VALVE IV 76 TB53FR INSPECTION AND ADJUSTMENT IV 71 TROUBLESHOOTING IV 72...
Страница 267: ...IV 157 TB53FR V TROUBLESHOOTING V 1...
Страница 313: ...V 47 TB53FR VI ENGINE...
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