FURUKAWA UNIC Hydraulic Cranes UR293 A1 Maintenance Manual PDF DOWNLOAD

Description

FURUKAWA UNIC Hydraulic Cranes UR293 A1 Maintenance Manual PDF DOWNLOAD

FILE DETAILS:

FURUKAWA UNIC Hydraulic Cranes UR293 A1 Maintenance Manual PDF DOWNLOAD

Language : English
Pages : 77
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

FURUKAWA UNIC Hydraulic Cranes UR293 A1 Maintenance Manual PDF DOWNLOAD

TABLE OF CONTENTS:

FURUKAWA UNIC Hydraulic Cranes UR293 A1 Maintenance Manual PDF DOWNLOAD

§1 GENERAL VIEW 1
§2 BOOM ASS’Y 2
1) How Boom and Telescoping Cylinder are Mounted 2
2) How to Disassemble Boom Assembly 3
3) How Slide Plate and Stopper are Mounted 5
§3 TELESCOPING CYLINDER 7
1) Construction 7
2) How to Disassemble 3-Section Boom (with dual-cylinder)8
3) How 3-Section Boom (dual cylinder) operates 13
4) Cause of Troubles and Measues to be Taken 16
§4 BASE 17
1) Construction of Base 17
2) Piping to Outrigger Cylinder 17
§5 OUTRIGGER CYLINDER 18
1) Construction of Outrigger Cylinder18
2) How Pilot Check Valve is Mounted 18
§6 SLEWING DEVICE 19
1) Where to Position “S”, SOFT ZONE, on Turntable 19
2) Tightening Sequence of Bolts for Mounting Turntable 19
3) How to Mount Turntable 20
4) Tightening torque for the bolts for mounting turntable 22
5) Tightening torque for the bolts for mounting column 23
6) Tightening sequence of bolts for mounting column 23
§7 SLEWING REDUCTION GEAR 24
1) Construction 24
2) How to Disassemble Reduction Gear 25
3) Special Tool for Removing Worm Shaft of Slewing Reduction Gear 28
4) Caution to be Taken When Re-assembling Slewing Reduction Gear 29
5) Tightening Torque of Bolts for Mounting Bearing Housing 30
6) Gear Oil for Reduction Gear30
7) Construction of Hydraulic Motor for Slewing 31
§8 HOIST WINCH 32
1) Construction of Hoist Winch 32
2) Construction of Brake 32
3) How to Adjust Brake Shoe 33
4) Bolts for Mounting Reduction Gear Casing 34
5) Gear Oil for Reduction Gear• 34
6) Cause of Troubles and Measures to be Taken 35
§9 SWIVEL JOINT 36
1) Construction of Swivel Joint and Where Hoses are Attached36
2) How to Assemble Swivel Joint 38
§10 SLIP RING 39
1) Construction of Slip Ring and Where It is Mounted 39
§11 DERRICKING CYLINDER 40
1) Construction of Derricking Cylinder 40
2) How to disassemble derricking cylinder40
§12 CONTROL 41
1) How the control is assembled 41
§13 CONTROL VALVES 43
1) Construction 43
2) Function of Unloading Mechanism 44
3) How to Adjust Unload Valve 45
4) How to Work When Crane Fails to Function 46
5) Construction of SOLENOID VALVE in Unloading Mechanism ” 47
6) How Solenoid Valve Operates 48
§14 CAUSE OF TROUBLES AND MEASURES TO BE TAKEN 49
1) Crane Fails to Function 49
2) Certain Function does not Make an Automatic Stop even
When Overwinding Automatic Stop for Overwinding has been Actuated50
3) Construction of Mounting 51
4) How to Adjust Push Rod 51
5) On Operation of Normally-Close and Normally-Open 53
6) Alarm for Extension/Retraction of Outrigger54
§15 ELECTRIC CIRCUIT DIAGRAM 55
1) When in Normal Operation [Overwinding detector is ON] 56
2) When Stopped by Actuation of Overwinding Automatic Stop 57
3) Wiring diagram of base section58
§16 HYDRAULIC CIRCUIT 59
§17 VALVES 60
1) Relief Valve(RT-15C) 60
2) Counterbalance Valve 62
§18 PERIODIC MAINTENANCE/WEEKLY 64
1) Lubricate the Fittings 64
§19 PERIODIC MAINTENANCE/MONTHLY 65
1) Lubricate Swing Bearing 65
2) Check Gear Oil Level(for winch gear box and swing gear box) 65
§20 PERIODIC MAINTENANCE/ANNUAL 66
1) Change Hydraulic Oil 66
2) Change Return Filter 67
3) Change Gear Oil(for winch gear box and swing gear box) 68
4) Checking Swing Bearing Mounting Bolts 69
§21 PERIODIC MAINTENANCE/REPLACEMENT OF EXPENDABLE PARTS 70
OTHERS 71
1) Recommended grease71

DESCRIPTION:

INTRODUCTION

• This technical instruction manual describes the construction of the UNIC URA 293-A 1 crane and maintenance procedures for the servicemen engaged in its maintenance.
• Please carefully read the manual to acquire the proper maintenance skills and provide efficient, speedy, correct services that are essential to customer trust.
• In this way, UNIC truck crane will be able to deliver their superb performance and be kept in satisfactory operating condition. It is recommended that separate parts list be referred to together with this manual.

PLEASE NOTE:

• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
• You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
• Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted

G.P