Furukawa Unic URW370C4U Series Manual

SERIES
SERIES
OMURW37C4U50C4U547C4U201510A
PRINTED IN JAPAN
OPERATION
&
MAINTENANCE
MANUAL
MINI-CRAWLER CRANE
HEAD OFFICE : Nihonbashi nishikawa Bldg, 5-3, Nihonbashi
1-chome, Chuo-ku, Tokyo 103-0027, Japan
MODEL

0-1
INTRODUCTION
Request to those who operate the crane
MODEL
SPEC.
CODE NO.
SERIAL NO.
CAPACITY
LBS
Crane model
Specification
Serial number
Code number
URW375C4U
URW376C4U
URW505C4U
URW506C4U
URW547C4U
TOKYO JAPAN
MADE IN JAPAN
The operator’s manual describes correct operation methods, simple inspection, and ser-
vice for the UNIC crane.
Be sure to read this manual carefully to carry out correct and safe operation of the crane.
Operate the crane after you have understood the contents of this manual.
Although we take all possible measures to ensure quality of the crane, you are requested
to contact our business offices, UNIC sales agents, or authorized service stations when-
ever you have anything you do not understand.
◆ For making inquiries
◆Name plate of the machine is located at the side of column.
◆When making inquiries, ordering spare parts, and requesting repairs, be sure to inform us
of the crane model, specification, serial number, and date of manufacture which are indi-
cated on the name plate.

0-2
TABLE OF CONTENTS
8. HOW TO REFER TO WORKING
RANGE CHART AND RATED LOAD
CHART
󱯎Working range chart ……………………… 8- 1
󱯐Rated load chart …………………………… 8- 2
9. DESCRIPTION OF EACH
CONTROL DEVICE
󱯎Overwinding alarm ………………………… 9- 1
󱯐Automatic stop for overwinding …………… 9- 2
󱯒Boom angle chart ………………………… 9- 4
󱯔Warning horn ……………………………… 9- 8
󱯖Retaining mechanism for slinging wire rope …9-8
󱯘Automatic stop for leaving minimum wire rope
(With wire rope retaining roller) …………… 9- 8
10. HOW TO OPERATE CARRIER
󱯎Designation of each control lever
and its location …… 10- 1
󱯐Preparation before operation ……………… 10- 3
󱯒Precautions before operation
(air-bleeding procedures) … 10- 6
󱯔How to operate …………………………… 10- 7
󱯖How to Crawl ……………………………… 10-10
󱯘How to fasten carrier when in transportation … 10-15
11. HOW TO OPERATE CRANE
󱯎Designation of each control lever
and its location … 11- 1
󱯐Preparation before operation ……………… 11- 3
󱯒Inspection before starting crane operation … 11- 4
󱯔Procedures to set up outriggers …………… 11- 6
󱯖How to operate boom for derricking
(raising and lowering) … 11-15
󱯘How to hoist and lower the hook …………… 11-16
󱯚How to telescope boom …………………… 11-18
󱯜How to slew boom ………………………… 11-20
󱯞How to store crane ………………………… 11-22
󱯠Procedures for storing hook………………… 11-23
󱯡How to store outriggers …………………… 11-25
SETUP OF THIS MANUAL
󱯎URW370C4 series ………………………… 0- 4
󱯐URW500C4 series ………………………… 0- 5
󱯒URW547C4 ……………………………… 0- 6
1. FOR SAFETY OPERATION
󱯎Request to customers ……………………… 1- 1
2. SAFETY PRECAUTIONS ON
CARRIER OPERATION
󱯎Before operation …………………………… 2- 1
󱯐During operation …………………………… 2- 2
󱯒When loading and unloading ……………… 2- 4
󱯔After operation …………………………… 2- 4
3. SAFETY PRECAUTIONS ON
CRANE OPERATION
󱯎Before operation …………………………… 3- 1
󱯐During operation …………………………… 3- 2
󱯒After operation …………………………… 3- 4
4. DESCRIPTION OF CARRIER
EQUIPMENT ……………………… 4
- 1
5. DESCRIPTION OF CRANE
EQUIPMENT ……………………… 5
- 1
6. NAME PLATES
󱯎Description of name plates ………………… 6- 1
󱯐Stickers in detail …………………………… 6- 2
7. DEFINITION OF TERMS
󱯎Outrigger extension………………………… 7- 1
󱯐How boom-sections are extended ………… 7- 6
󱯒Net rated load ……………………………… 7-10
󱯔Rated load ………………………………… 7-10
󱯖Lifting capacity …………………………… 7-10
󱯘Working radius …………………………… 7-10
󱯚Boom length ……………………………… 7-10
󱯜Boom angle………………………………… 7-10
󱯞Lift above ground ………………………… 7-10

0-3
TABLE OF CONTENTS
12. U-WAVE, Radio remote control
device, (Option)
󱯎Request to those who operate the crane …… 12- 1
󱯐Safety precautions ………………………… 12- 2
󱯒Designation of each equipment …………… 12- 5
󱯔Inspection before crane operation ………… 12- 8
󱯖How to switch crane operation mode ……… 12-10
󱯘How to operate the crane through
radio control operation … 12-12
󱯚How to replace batteries of transmitter …… 12-35
󱯜Daily checks, trouble inspection …………… 12-38
13. MAINTENANCE AND
INSPECTION OF CARRIER
󱯎Inspection before operation ………………… 13- 2
󱯐Inspection and Maintenance which is to be carried
out every 250 hours or 3 months …………… 13-13
󱯒Inspection and Maintenance which is to be carried
out every 500 hours or 6 months …………… 13-21
󱯔Inspection and Maintenance which is to be carried
out every 1000 hours or 12 months ………… 13-23
󱯖Non-regular maintenance ………………… 13-29
󱯘Storage …………………………………… 13-34
󱯚Fitting safety covers ……………………… 13-35
󱯜Maintenance and inspection of engine……… 13-35
14. MAINTENANCE AND
INSPECTION OF CRANE
󱯎Inspection before operation ………………… 14- 2
󱯐Cleaning …………………………………… 14- 3
󱯒Inspection of bolts mounting
slewing bearings…… 14- 3
󱯔Replacement of wire rope (for winding-up)… 14- 4
󱯖Replacement of expendable parts ………… 14- 8
15. WATER SUPPLY AND
LUBRICATION TO CARRIER
󱯎Precaution when carrying out filling
water and lubrication …… 15- 1
󱯐List of recommended lubricant …………… 15- 2
󱯒Filling water and lubrication chart ………… 15- 4
16. LUBRICATION TO CRANE
󱯎Precaution when carrying out lubrication…… 16- 1
󱯐List of recommended lubricant …………… 16- 2
󱯒Lubrication chart …………………………… 16- 3
󱯔Lubrication ………………………………… 16- 4
17. MAJOR SPECIFICATIONS
󱯎URW375C4U(5-section boom) …………… 17- 1
󱯐URW376C4U(6-section boom) …………… 17- 7
󱯒URW505C4U(5-section boom) …………… 17-14
󱯔URW506C4U(6-section boom) …………… 17-20
󱯖URW547C4U(7-section boom) …………… 17-26
󱯘Major specification
(Radio remote control device) for
URW370C4U, URW500C4U, URW547C4U
………………… 17-34
18. MODE INDICATOR LAMP
(CONTROL BOX)
󱯎Mode indicator lamp (Control box) ………… 18- 1
19. MEASURES TO BE TAKEN IN AN
EMERGENCY ……………………19
- 1

0-4
SETUP OF THIS MANUAL
URW370C4U
RS
URW370C4U
URW370C4U series
With radio remote controller
With cable remote controller
Manual specification
URW370C4U
R
SETUP OF THIS MANUAL
Crane covered in this manual have some difference in operation in accordance with the
specifications of with or without radio remote controller.
Difference in operation due to crane specifications is separately illustrated in this manual
for each specification.
Crane covered in this manual are roughly divided into three, the radio remote control
type, the cable remote control type and the manual control type.
1. Designation of specification
URW370C4 series of crane model is to be designated according to the number of sec-
tions of telescoping boom.
2. Designation of model
󱯎URW370C4 series
(Model) Number of boom section
URW375C4 5
URW376C4 6

0-5
URW500C4 series of crane model is to be designated according to the number of sec-
tions of telescoping boom.
2. Designation of model
(Model) Number of boom section
URW505C4 5
URW506C4 6
URW506C4U
RS
URW506C4U
Standard type
URW500C4U series
With radio remote controller
With cable remote controller
Manual specification
URW506C4U
R
URW505C4U
RS
URW505C4U
Short type
With radio remote controller
With cable remote controller
Manual specification
URW505C4U
R
Crane covered in this manual are roughly divided into two: short outrigger type and stan-
dard outrigger type.
1. Designation of specification
󱯐URW500C4 series

0-6
URW547C4U
RS
URW547C4U
URW547C4U series
With radio remote controller
With cable remote controller
Manual specification
URW547C4U
R
Crane covered in this manual are roughly divided into three, the radio remote control
type, the cable remote control type and the manual control type.
1. Designation of specification
󱯒URW547C4

MEMO

1-1
1. FOR SAFETY OPERATION
󱯎Request to customers
• Read preventive measures
against danger and cautions
stated in this manual for prop-
er understanding.
• Most accidents related to the
crane occur due to operation,
maintenance, and inspection
which have failed in observing
basic safety regulations.
… Failure to observe this may invite an accident resulting in injury or death.
CAUTION … Failure to observe this may cause damage to the crane.
◆Store this operator's manual where it is easily accessible to read it over and over again.
◆Failure to observe the right operation and maintenance/inspection illustrated in
this manual may cause trouble in the crane and may invite an accident, and this
will not only shorten its service life but will impair safety in the crane operation.
Please remember, in such cases, that no warranty will be given even if the crane is within
valid warranty period.
◆In order to prevent injury or death to crane operators and to those who stand close to crane
operating area due to operational mistake, caution plates are stuck on the crane.
You are requested to read them carefully.
◆Do not alter the crane.
• If you want to make an alteration, contact with UNIC sales agent or an authorized service
shop.
• UNIC does not bear any responsibility for troubles and /or accidents due to unauthorized
alteration.
Observeallthesafetyregulations!
◆Never failed to observe and CAUTION described in the manual as
they are of great importance in safety and the crane operation.