Soosan SQ Series User manual

Q11193 2020. 10
OPERATION MANUAL
Soosan Hydraulic Breaker
SQ Series

OPERATION
MANUAL
01. Safety Precautions ······························································································· 1
1.1 Safety Precautions ····················································································································· 1
1.2 Stickers & Tags ························································································································· 4
02. Standard Specification( ······················································································ 11
03. External Dimension ···························································································· 13
3.1 Small range (1/2) ····················································································································· 13
3.2 Medium & Heavy-duty range (2/2) ························································································ 14
3.3 Cover Plate ······························································································································· 15
04. Preparation for Installation and Operation ······················································ 17
4.1 Checking before installation ···································································································· 17
4.2 Installation and Removal ········································································································· 18
4.3 Hydraulic pipe lines for exclusive use ·················································································· 22
05. Precautions for safe operation. ········································································ 23
06. Maintenance ········································································································ 30
07. Wear Tolerance ·································································································· 38
08. Inspection and Charging of N ₂ Gas at Back head ······································· 45
09. Inspection and Charging of N ₂ gas in Accumulator ······································ 49
10. Trouble Shooting ································································································ 53
11. Hydraulic Oil and Grease. ················································································ 54
12. Auto Lubrication (Option) ·················································································· 56
PART LIST
01. Main Body ··········································································································· 62
02. Seal kit ················································································································ 88
03. Rod type ··········································································································· 104
04. Silenced Type ··································································································· 106
05. Oil Hose ············································································································ 132
06. Tool set (Option) ······························································································ 133
07. Back head gas charging kit (Option) ···························································· 136
08. Accumulator charging tool set (Option) ························································· 137

OPERATION MANUAL
Soosan Hydraulic Breaker
!
DANGER
SERIOUS INJURY OR DEATH COULD RESULT FROM THE
IMPROPER REPAIR OR SERIVICE OF THIS HYDRAULIC BREAKER.
REPAIRS AND / OR SERVICE TO THIS HYDRAULIC BREAKER
MUST ONLY BE DONE BY AN AUTHORIZED AND CERTIFIED DEALER.
M o d e l
S e r ia l N u m b e r
Y e a r o f C o n s t r u c t io n

EC Declaration of Incorporation
according to EC Machinery Directive 2006/42/EC
We herewith declare, Soosan Heavy Ind. Co., Ltd.
of
260, Jeongmunsongsan-ro, Yanggam-Myeon,
Hwaseong-Si, Gyunggi-Do,
Korea
that the following machine complies with the appropriate basic safety and health requirements of the
EC Directive(2006/42/EC) based on its design and type, as brought into circulation by us. In case
of alteration of the machine, not agreed upon by us, this declaration will lose its validity.
The machinery is incomplete and must not be put into service until the machinery into which it is to
be incorporated has been declared in conformity with the provisions of the Directive.
Technical documentation for the machinery is maked by :
Place : Soosan Heavy Ind. Co., Ltd
260, Jeongmunsongsan-ro, Yanggam-Myeon, Hwaseong-Si, Gyunggi-Do, Korea
Position : Manager, R&D team
Name :
The technical documentation for the machinery is available from :
Name : SOOSAN HEAVY INDUSTRIES CO., LTD EUROPE
Adress : Ohmweg 18,3208 ke, Spijkenisse, Netherlands
Description : Construction Machinery (not appendix Ⅳ)
(Hydraulic Breaker)
Machine Type :
Serial Number :
Applicable EC Directive : EC Machinery Directive ( 2006/42/EC )
Applicable Harmonized
Standards : EN ISO 12100-2010
EN474-1:2006/A4:2013
Applicable National Technical Standards And Specifications :
Weight(kg) :
Length(mm) :
Oil flow(ℓ/min) :
Operation Pressure(kg/ ㎠ ):
Blows(bpm) :
Date/ Authorized Signature :
Title of Signatory :

!
DANGER
DO NOT OPERATE THE HYDRAULIC BREAKER UNLESS THE
FOLLOWING SAFETY INSTRUCTIONS HAVE BEEN THOROUGHLY
READ AND UNDERSTOOD!
READ THIS MANUAL BEFORE INSTALLING, OPERATING OR
MAINTAINING THIS EQUIPMENT.
> Flying debris form the hydraulic breaker or other material may cause serious or fatal
injury to the operator. Personal protection equipment must be used.
> Flying debris hydraulic breaker or other materials may cause serious or fatal injury to
bystanders. Never operate the grab when bystanders are in the working area.
> On machines/carriers, the hydraulic breaker can enter the operator's compartment
under specific hydraulic breaker position. Make sure that suitable impact shields are
used when operating the hydraulic breaker with this type of equipment.
> Do not operate the breaker unless all safety decals described in this manual are in
place. The decals must be inspected periodically to ensure that all wording is legible.
The decals must be replaced if illegible. Replacement decals can be obtained from
your authorized Soosan Distributor.
> The hydraulic breaker will become very hot during operation. Allow time for hydraulic
breaker to cool down before touching hydraulic breaker parts.
If this machine is transferred, be sure to attach this manual to the machine.
For safety, common items are described "SAFETY PRECATUIONS", and others are
mentioned in the succeeding pages.

FOREWORD
We appreciate your purchasing a Soosan Hydraulic Breaker.
The Hydraulic Breaker, designed and built to provide durable
operation under any working conditions, has been developed
by Soosan's excellent engineering techniques with accumulated
experiences for many years. Without proper handling, regular
inspection and maintenance, however, the machine fails to
display its full capacity, resulting in various troubles of
machine parts.
This publication should be carefully read prior to installation
and operation in order to prevent any mishandling of hydraulic
breaker.
We guarantee that a faithful compliance of the instruction will
contribute to the best operation condition.
Customers are, therefore, required to keep in mind that the
company is not responsible for troubles caused by not
following our guidelines or not using genuine parts.
Soosan Heavy Industries Co., Ltd.

SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
1
01. Safety Precautions
1.1 Safety Precautions
This manual contains safety, operation, and routine maintenance instructions. It doesn't contain service
disassembly and service assembly instructions. If needed, complete service disassembly and service assembly
instructions are contained in manual which can be ordered from your Soosan Hydraulic Breaker authorized and
certified dealer.
Please read the following warning.
!
DANGER
Serious injury or death could result from the improper repair or service of this breaker.
Repairs or service to this breaker must only be done by an authorized and certified dealer.
Most of the accidents are caused by disregarding the basic rules of operation inspection or repair, or by
neglecting the inspection before operation. Many accidentscan often be avoided by recognizing potentially
hazardous situations before an accident occurs. Before operating, inspecting or repairing this machine, be sure
to read and fully understand the preventive methods and warnings described on the machine or in this
manual. If not, never operate, inspect or repair this machine
Safety labels and messages are classified as follows so that the users can understand the warnings on the
machine or in this manual.
!
DANGER
Indicates an imminently hazardous situation which, if not avoided,
will result in death or serious injury.
This signal word is to be limited to the most extreme situations
!
WARNING
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
!
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury,
It may also be used to alert against unsafe practices.
NOTICE
Signs used to indicate a statement of company policy directly or
indirectly related to the safety of personal or protection of property.
The safety messages including the preventive measures to avoid danger.
For safety, common items are described in "SAFETY PRECAUTIONS", and others are mentioned in the
succeeding pages.

2
SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
www.soosanheavy.com
Soosan cannot anticipate every possible circumstance that might involve a potential hazard on operation,
inspection or repair. Therefore the warnings in this manual are not all inclusive. If an operation, inspection or
repair not described in this manual is used, you must take measures for safety by yourself.
!
DANGER
Observe the cautions and take a preventive measure for safety
The Soosan Hydraulic Breaker will provide safe and dependable service if operated in accordance with the
instructions given in this manual. Read and understand this manual, any decals and tags attached to the
breaker before operation. Failure to do so could result in personal injury or equipment damage
The Soosan Hydraulic Breaker will provide safe and dependable service if operated in accordance with the
instructions given in this manual. Read and understand this manual, any decals and tags attached to the
breaker before operation. Failure to do so could result in personal injury or equipment damage
nOperate the breaker in accordance with all laws and regulations which affect you, your equipment, and the
worksite.
nDo not operate the breaker until you have read this manual and thoroughly understood all safety, operation
and maintenance instructions.
nDo not operate the breaker until you have read the carrier equipment manual and thoroughly understood
backhoe or excavator or similar equipment used to operate the breaker. The word "carrier", as used in this
manual, means a backhoe or excavator or similar equipment used to operate the breaker.
nEnsure that all maintenance procedures recommended in this manual are completed before using the
equipment.
nThe operator must not operate the breaker or carrier if any people are within the area where they may be
injured by flying debris or movement of the equipment.
nKnow the limits of your equipment.
nBefore starting a work, Check the prohibitions, cautions and working processes in a working site with the
field overseer, Observe all of them strictly.
nWear such protective tools as a helmet, safety shoes, etc. to perform a work.
Make use of the protective glasses, earplugs, gloves and other protective tools if necessary.
nEstablish a training program for all operators to ensure safe operation. Do not operate the breaker unless
thoroughly trained or under the supervision of an instructor. Become familiar with the carrier controls before
operating carrier and breaker. While learning operate the breaker and carrier, do so at a slow pace. If
necessary, set the carrier to the slow position.
nMake sure all controls(levers and pedals) are in the neutral position before starting the carrier.
nBefore leaving the carrier, always lower the boom and insure the carrier is stable. Never leave the
machine with the engine running. Always engage the parking brake.
nStop the engine before attempting to make any repairs, adjustments or servicing to either the carrier or the
breaker.

SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
3
nDo not operate the breaker at oil temperature above 175 ℉ /80 ℃ . Operation at higher temperature can
damage the internal components of the breaker and carrier and will result in reduced breaker performance.
nDo not operate a damaged, leaking, improperly adjusted, or incompletely assembled breaker.
nDo not modify this breaker in any manner.
nUse only breaker parts manufactured by Soosan. Usage of breaker rod produced by another manufacturer
may damage the breaker and will void the warranty.
nTo avoid personal injury or equipment damage, all breaker repair, maintenance and service must only be
performed by authorized and properly trained personnel.
nIf you do not understand how to operate safely your breaker, contact an authorized Soosan Dealer for
assistance.
nKeep this manual with the breaker.
nDo not operate this equipment if you are taking medication which may affect your mental judgement or
physical performance.
nDo not operate this equipment if you are under the influence of drug or alcohol.
nRemove breaker form carrier during transportation.

4
SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
www.soosanheavy.com
1.2 Stickers & Tags
nWarning sticker
1) Use ear protection 2) Use eye protection
3) Use breathing protection 4) Read the manual before use
nGreasing Sticker
Correct Greasing
1) Position the Breaker standing upright resting on the rod on firm
surface.
2) Stop carrier engine and wait 10 minutes for oil pressure to drop
inside Breaker.
3) Apply Rod grease from grease gun to greasing points marked with
the following sticker.
Note : The Breaker must stand upright resting on the tool to ensure that the grease will penetrate
downwards between the tool and the bushing.
Do not fill the space between the piston and the rod with grease. A lower piston seal
failure can result and the Breaker will subsequently leak oil.
SQ
Manufacturin g Date :
150-170
90-120
1266
SQ60
MADE IN KOREA
PRODUCT SER VIC E
HYDRAULIC BR E AKE R
260, Jeongmunsongsan-ro, Yanggam-myeon, Hwaseong-si,
Gyeonggi-do 445-933 , KOREA www.soosan.co.kr
SQ
Manufactu rin g Date :
150-170
90-120
1266
SQ60
MADE IN KOREA
PRODUCT SERVICE
HYDRAULI C B R EA KE R
260, Jeongmunsongsan-ro, Yanggam-myeon, Hwaseong-si,
Gyeonggi-do 445-933 , KOREA www.soosan.co.kr
nSpecification plate (For Example SQ70)
Model : SQ 70
Serial No. :
Operating weight : 1,759 Kg
Oil flow rate : 100-150 l/min
HYDRAULIC BREAKER
SOOSAN
SOOSAN HEAVY INDUSTRIES CO.,LTD.
Operating pressure : 160-180 Kg/cm
Manufacturing date :
Q63139
2
260, Jeongmunsongsan-ro, Yanggam-myeon, Hwaseong-si,
Gyeonggi-do 445-933 , KOREA www.soosanheavy.com

nSQ10 ~ SQ50
NO.
MODEL
Sticker
Ass'y
1
3
4
5
6
7
8
9
10
BI
STICKER
NAME
PLATE
EMBLEM
LIFTING
STICKER
GREASE
STICKER
BACK HEAD
STICKER
WARNING
STICKER
DANGER
STICKER
NOISE
STICKER
SQ10
B0003557
B0003627
B0003635
B0003440
C23344
D83168
E83144
E83211
E83210
B0003643
SQ20
B0003558
B0003628
B0003636
B0003440
C23344
D83168
E83144
E83211
E83210
B0003644
SQ30
B0003559
B0003629
B0003637
B0003440
C23344
D83168
C02135
E83211
E83210
B0003645
SQ35
B0003560
B0003630
B0003638
B0003441
C23344
D83168
C02135
E83211
E83210
B0003646
SQ40
B0003561
B0003631
B0003639
B0003441
C23344
D83168
C02135
E83211
E83210
B0003647
SQ43
B0003562
B0003632
B0003640
B0003441
C23344
D83168
C02135
E83211
E83210
B0003648
SQ45
B0003563
B0003633
B0003641
B0003441
C23344
D83168
C02135
E83211
E83210
B0003649
SQ50
B0003564
B0003634
B0003642
B0003441
C23344
D83168
C02135
E83211
E83210
B0003650
6
SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
www.soosanheavy.com

1
UAL BEFORE INS TALLING,OPE RATING OR M AIN TAINING T HIS EQUIPM ENT!
10
4
5
6
7
9
8
3
HYDRAULIC BREAKER Operating Pressure : kg/cm
2
260, Jeongmun songsan-ro, Yanggam-myeon, Hwaseong-si,
Gyeonggi-do 445-933 , KOREA www.soosan.co.kr
90-120 15-35 SQ10
MADE IN KOREA
HYDRAULIC BREAKER Operating Pressure : kg/cm
2
260, Jeongmun songsan-ro, Yanggam-myeon, Hwaseong-si,
Gyeonggi-do 445-933 , KOREA www.soosan.co.kr
90-120 15-35 104 SQ10
MADE IN KOREA
LWA
4
1
SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
7

nSQ60 ~ SQ181
NO.
MODEL
Sticker
Ass'y
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
BI
STICKER
(L)
BI
STICKER
(R)
SOOSAN
LOGO
NAME
STICKER
BACK
HEAD
STICKER
GREASE
STICKER
LOGO
STICKER
ACC
STICKER
(A)
ACC
STICKER
(B)
LIFTING
STICKER
NOISE
STICKER
WARNING
STICKER
DANGER
STICKER
BI
STICKER
BI
STICKER
SQ60
Q53145
Q53146
Q53147
Q53148
Q53149
C02135
D83168
Q53150
C62212
C62213
C23344
Q53139
D83166
Q53134
Q53131
Q53132
SQ70
Q63146
Q63147
D53147
D53148
Q63148
C02135
D83168
Q53150
C62212
C62213
C23344
Q63140
D83166
Q53134
Q53131
Q63138
SQ80
Q23148
Q23149
Q53147
Q53148
Q23150
C02135
D83168
Q53150
C62212
C62213
C23344
Q23144
D83166
Q53134
Q53131
Q23142
SQ100
Q73148
Q73149
Q73150
Q53148
Q73151
C02135
D83168
Q53150
C62212
C62213
C23344
Q73143
D83166
Q53134
Q53131
Q73141
SQ120
Q83143
Q83144
Q73150
Q53148
Q83145
C02135
D83168
Q53150
C62212
C62213
C23344
Q83139
D83166
Q53134
Q53131
Q83137
SQ130
Q43150
Q43151
Q43152
Q43153
Q43154
C02135
D83168
Q53150
C62212
C62213
C23344
Q43147
D83166
Q53134
Q43143
Q43144
SQ140
Q03179
Q03180
Q43152
Q43153
Q03181
C02135
D83168
Q53150
C62212
C62213
C23344
Q03135
D83166
Q53134
Q43143
Q03133
SQ150
Q33150
Q33151
Q33152
Q43153
Q33153
C02135
D83168
Q53150
C62212
C62213
C23344
Q33146
D83166
Q53134
Q43143
Q33144
SQ181
Q13222
Q13223
Q13224
-
Q13225
C02135
D83168
Q53150
C62212
C62213
C23344
Q13174
D83166
Q53134
-
-
8
SOOSAN HYDRAULIC BREAKERS
OPERATION MANUAL
www.soosanheavy.com