Page 1 SWE90UF-2PB Crawler-type Hydraulic Excavator Operation & Maintenance Manual Sunward Intelligent Equipment Co., Ltd. September, 2022 © All rights reserved by Sunward Intelligent Equipment Co., Ltd.
Page 2 It’s essential to provide us enough clear failure information, thus, we can analyze that and offer you effective service on time. If any support is requested from SUNWARD or our authorized agents, failure details should be provided as much as possible, mainly including following items: ①...
Page 3 Industrial Park, Xinsha, Changsha , Hunan, China Business name: SUNWARD INTELLIGENT EQUIPMENT CO., LTD. Name and address of person/Company authorized to compile the technical file established in the EU Community: SUNWARD EUROPE HEAVY INDUSTRY NV Nijverheidspark 3, 3580 Beringen, Belgium...
Page 4 Sunward guarantees to keep machine in good repair in term of service. The service details are showed in Maintenance Card supplied by distributor. In order to receive the warranty service from Sunward, make sure genuine Sunward parts are used and all instructions given in this manual is complied with strictly for operation and maintenance.
Page 5: Table Of Contents
SWE90UF-2PB Operation & Maintenance Manual TABLE OF CONTENTS 1 SAFETY RULES ..............................1 1.1 SAFETY LABELS ............................3 1.1.1 Location of Safety Labels ........................3 1.1.2 Safety Labels Instructions ........................3 1.2 GENERAL SAFETY RULES .......................... 14 1.2.1 Observing Safety Rules ........................14 1.2.2 Meaning of Safety Label ........................
Page 6 SWE90UF-2PB Operation & Maintenance Manual 1.3.3 Starting Engine in Cold Weather ...................... 26 1.3.4 Safe Operation ............................ 26 1.3.5 Notes for Rubber Track ........................27 1.3.6 Operation on Slopes .......................... 27 1.3.7 Operation on Snowy Ground ......................28 1.3.8 Avoid Tipping-Over ........................... 28 1.3.9 Preventing Accidents While Backing or Swinging ................
Page 7 SWE90UF-2PB Operation & Maintenance Manual 3. ABOUT MACHINE ............................50 3.1 POSITION OF MACHINE COMPONENTS ....................51 3.2 CAB（CLOSED） ............................52 3.3 MONITOR METER ............................53 3.3.1 Meter Functions ..........................54 3.3.2 Descriptions of Display Range and Alarm ..................54 3.3.3 Buttons ..............................
Page 8 SWE90UF-2PB Operation & Maintenance Manual 5.1.6 Checking Discharged Grease and Used Filter Element ..............97 5.1.7 Inspection after Maintenance ......................97 5.1.8 Electrical System Maintenance ......................98 5.1.9 Hydraulic System Maintenance ......................98 5.2 OIL, COOLANT AND FILTER ELEMENT ....................99 5.2.1 Lubricant and Hydraulic Oil .......................
Page 9 SWE90UF-2PB Operation & Maintenance Manual 6. 8 NOISE & VIBRATION DESCRIPTION ....................158 7. OPERATION INSTRUCTION OF ATTACHMENT ..................159 7.1 SAFETY NOTE ............................159 7.2 NOTE FOR ASSEMBLING ATTACHMENT ....................159 7.3 ASSEMBLY PARAMETER OF ATTACHMENT ..................160 7.3.1 Assembly Size of Structural Parts ....................160 7.3.2 Pipeline Introduction ........................
Page 10 SWE90UF-2PB Operation & Maintenance Manual...
Page 11: Safety Rules
SWE90UF-2PB Operation & Maintenance Manual 1 SAFETY RULES Warning Please thoroughly read and make sure that all precautions described in this manual or safety labels are understood completely. Follow all instructions when operating or servicing this machine.
Page 12: Safety Labels
In case the labels are damaged, lost or not legible, replace them with new ones. For details of  the part number, refer to parts manual or actual label, and place an order with SUNWARD or our authorized distributors. 1.1.2 Safety Labels Instructions...
Page 13 SWE90UF-2PB Operation & Maintenance Manual involves potential hazards. So it’s necessary to ask for instruction from your superior before attempting any operation or maintenance procedure. (2) Engine Operation Label Diesel engine inspection Stop machine on level ground, inspect engine oil level ...
Page 14 SWE90UF-2PB Operation & Maintenance Manual (3) Diesel Label Caution Refilling fuel with extra care. Stop engine  before refilling fuel. Do not smoke while refilling to fuel tank or operating around fuel system. Select proper fuel according to different ...
Page 15 SWE90UF-2PB Operation & Maintenance Manual Open right side door to check oil level gauge.  Located on hydraulic oil tank, oil level must be within level marks. Drain oil if level is higher than MAX mark, refill if level is below MIN mark.
Page 16 SWE90UF-2PB Operation & Maintenance Manual arising from failure to use SUNWARD recommended fuel, lubricant, hydraulic oil and genuine SUNWARD components. Do not adjust engine speed limiter or safety valve of  hydraulic system. Do not allow water or vapor to reach electrical ...
Page 17 SWE90UF-2PB Operation & Maintenance Manual hydraulic oil on the ring section. Push filter core upward while moving it forward and backward alternately to install it. Clean filter housing.  Rotate clockwise to tighten filter housing to head  cover. Tighten at torque: 19.5—29.5Nm (2-3 kgf.m).
Page 18 SWE90UF-2PB Operation & Maintenance Manual (13) Traction Hook (14) Anti- scald Label After running operation, engine oil, gear oil and  hydraulic oil is getting hot, so do engine, hoses, pipelines or other components. Be cautious of scalding. Attempt inspection and maintenance procedure, after ...
Page 19 SWE90UF-2PB Operation & Maintenance Manual b. boom fall c. backhoe bucket load, or clamshell bucket load d. backhoe bucket dump, or clamshell bucket dump Left pilot handle controls motion as below：  e. upper-structure rotate anticlockwise f. upper-structure rotate clockwise g.
Page 20 SWE90UF-2PB Operation & Maintenance Manual (19) Pilot Safety Lock Label (20) Fuel Label Warning Handle fuel with extra care because  it’s highly flammable. In case that fuel ignited, this cause explosion or fire, and even death or injury to person.
Page 21 SWE90UF-2PB Operation & Maintenance Manual (21) Life Hammer Label (22) Emergency Exit Label When accidents happen, and operator is  trapped in cab, operator can use life hammer located on the side of cab to destroy window labeled with exit mark to get out of the machine.
Page 22 SWE90UF-2PB Operation & Maintenance Manual (23) Center of Gravity Label (24) Hydraulic Oil Label （25）Grease Label...
Page 23: General Safety Rules
SWE90UF-2PB Operation & Maintenance Manual 1.2 GENERAL SAFETY RULES 1.2.1 Observing Safety Rules Thoroughly read, understand and follow all  safety precautions and procedures found in this manual. Regularly affix, maintenance and renew new  safety labels, so that they are legible, conspicuous and affixed firmly.
Page 24: Meaning Of Safety Label
SWE90UF-2PB Operation & Maintenance Manual 1.2.2 Meaning of Safety Label Different safety labels containing safety messages are located on different position. All message of safety are identified by words “DANGER” “WARNING” and “CAUTION”(see fig), Their significations are as follow: DANGER ---indicates an imminent hazard, if not ...
Page 25: Safety Equipment
SWE90UF-2PB Operation & Maintenance Manual They cover the following items: Close fitting clothing Hard hat Thick gloves Protective glasses, goggles or face mask Mask or filter face mask Ear plug or earcap Safety belt and rain-proof 1.2.5 Safety Equipment Make sure that all guards and covers are properly ...
Page 26: Correct Entering/Leaving Machine
SWE90UF-2PB Operation & Maintenance Manual Do not use radio or cell phone during operation on the  machine. After smoking, be sure to extinguish dog-end, secure  ash tray cover to prevent fire. Don’t place transparent bottle and other convex stuff ...
Page 27: Fastening Seatbelt
SWE90UF-2PB Operation & Maintenance Manual Weight support adjustment: adjust load bearing  capacity of seat in relation to your weight for better damping effect. 1.2.11 Fastening Seatbelt Check seatbelt for damage or wear out before  starting machine. Fasten your seat belt prior to operation.
Page 28: Worksite Safety
SWE90UF-2PB Operation & Maintenance Manual 1.2.16 Worksite Safety Thoroughly inspect worksite for any abnormal danger situations prior to operation.  Operate with extra care for any operation in vicinity of flammable materials such as thatched roof,  dry leaves or dry grass.
Page 29: Distance To High Voltage Cables
SWE90UF-2PB Operation & Maintenance Manual 1.2.19 Distance to High Voltage Cables Severe injury or death can occur to person due to any  contact of any parts or load of machine with electric cables. Always keep safe distance： Voltage Minimum safe distance...
Page 30: Preventing Fire And Explosion
SWE90UF-2PB Operation & Maintenance Manual 1.2.22 Preventing Fire and Explosion No smoke or using naked flame around fuel and  engine oil. Stop engine before refilling.  Do not spill oil to hot surface or electrical equipments  of machine.
Page 31: Prevention Of Flying-Out Parts
SWE90UF-2PB Operation & Maintenance Manual 1.2.25 Prevention of Flying-Out Parts Bear in mind that lubricating grease in track tension  device is under high pressure. Do not remove parts such as oil cup or valve etc to avoid injury. Moreover, keep face and body away from valve block ...
Page 32: Be Cautious Of High Pressure Liquids
SWE90UF-2PB Operation & Maintenance Manual 1.2.28 Be Cautious of High Pressure Liquids High pressurized fluid can penetrate leading to severe  injury. Always release pressure before separating fluid or  other pipelines. You may release pressure by means of operating ...
Page 33: Safe Disposal Of Chemicals
SWE90UF-2PB Operation & Maintenance Manual 1.2.30 Safe Disposal of Chemicals Serious injury can occur by allowing hazardous  medical to make direct contact with person. Medicals being used in the machine such as lubricant, coolant, and binding admixture may be harmful.
Page 34: Safe Operation Instructions
SWE90UF-2PB Operation & Maintenance Manual 1.3 SAFE OPERATION INSTRUCTIONS 1.3.1 Inspection before Starting Engine Before starting daily routine inspection, carry out the following checks. Wipe off dust on glass window to secure visual field.  Wipe off dust on the surface of front light and ...
Page 35: Starting Engine In Cold Weather
SWE90UF-2PB Operation & Maintenance Manual start machine while standing on the track or ground. Never ride on the machine, the machine is for  operator only. Do not attempt to start engine by short circuiting the  engine (including terminal starting), this action is dangerous, beyond dangerous, it will cause damages to equipment.
Page 36: Notes For Rubber Track
SWE90UF-2PB Operation & Maintenance Manual operator cab. Falling objects from bucket or collision with bucket can cause serious injury or death or damage to machine. When using breakout hammer or other heavy  working equipment, there is a hazard of losing its balance and tipping over.
Page 37: Operation On Snowy Ground
SWE90UF-2PB Operation & Maintenance Manual Do not swing machine from uphill side to downhill  side, when bucket is fully loaded. This dangerous act can cause machine to tip over. If the machine has to be used on a slope, pile the soil ...
Page 38: Preventing Accidents While Backing Or Swinging
SWE90UF-2PB Operation & Maintenance Manual Lower operation speed to prevent machine from  tipping over. Do not change direction when tramping on a  slope. Decrease slewing speed of upper-structure, when  bucket is loaded. Be alert that ground surface becomes soft arising ...
Page 39: Avoiding Accidents Caused By Control Failures
SWE90UF-2PB Operation & Maintenance Manual In case of improper visibility arising from dust, rain, or  fog etc. use appropriate lighting device. Please read and understand all safety rules described  in this manual. 1.3.10 Avoiding Accidents Caused By Control Failures...
Page 40: Safety Rules During Traveling
SWE90UF-2PB Operation & Maintenance Manual When traveling, swing, operating working device in  confined area, position a signal person and define the meaning of the signals beforehand. 1.3.12 Safety Rules During Traveling During operation of machine, do not operate ...
Page 41: Traveling On Slopes
SWE90UF-2PB Operation & Maintenance Manual 1.3.13 Traveling on Slopes To prevent machine from tipping over or side sliding, follow the instructions below. When travel on slopes, keep working equipments 20  to 30cm high above ground. In case of emergency, lower the working device to ground to help stop the machine.
Page 42: Machine Transportation
SWE90UF-2PB Operation & Maintenance Manual towing machine and the machine being towed. Do not tow machine on slopes.  Never use a wire rope which has cut strands, reduced  diameter, or kinks. There is danger that the rope may break during the towing operation.
Page 43 SWE90UF-2PB Operation & Maintenance Manual lock all the equipment. Then remove the key, and keep the key with you, and leave the key in a prescriptive place. If the machine has to park on slopes, follow the  instruction below：...
Page 44: Safety Maintenance Information
SWE90UF-2PB Operation & Maintenance Manual 1.4 SAFETY MAINTENANCE INFORMATION 1.4.1 Using Warning Signs Warning: During maintenance service procedure, any attempt to start the engine, have access or operate control lever of working device can result in serious injury or damage.
Page 45 SWE90UF-2PB Operation & Maintenance Manual Keep the working site clean and dry.  Do not spay water and vapor in cab.  When the machine if moving, do not lubricate the  machine or perform any maintenance operation. Prevent any parts of the body from reaching moving ...
Page 46: Tips For Using A Hammer
SWE90UF-2PB Operation & Maintenance Manual 1.4.4 Tips for Using a Hammer When using a hammer, pins may fly out or metal  particles may be scattered. This may lead to serious injury, always do as follow. When using a hammer to hit hard metal parts, say ...
Page 47: Avoiding Heating Near Pressure Oil Pipes
SWE90UF-2PB Operation & Maintenance Manual Use non-flammable solvent to remove all flammable  liquids prior to welding or gas cutting. 1.4.7 Avoiding Heating near Pressure Oil Pipes Warning: Heating around hydraulic pressure pipe will cause flammable spray causing serious scald to yourself or bystanders.
Page 48: Maintenance Precaution Of Track Tension Mechanism
SWE90UF-2PB Operation & Maintenance Manual Store accessories and equipment to avoid falling off.  Take necessary measures to prevent children and unauthorized personnel from entering storage area. 1.4.10 Maintenance Precaution of Track Tension Mechanism Grease being pumped into track tension ...
Page 49: Safety Operation For High-Pressure Hoses
If oil or fuel leaks from high-pressure hoses, it may cause fire or defective operation, which may lead  to serious injury. If any loose bolts are found, stop work and tighten to the specified torque. If any damaged hoses are found, stop operations immediately and contact your SUNWARD distributor. Damaged hose, deformed mouthpiece, damaged O-ring. ...
Page 50: Waste Disposal
SWE90UF-2PB Operation & Maintenance Manual may cause explosion. Use voltmeter or hydrometer to measure electricity;  do not measure the electricity of battery by short circuiting. Do not use or charge the battery if the battery  electrolyte level is below specific volume. Failure to do so will cause battery explosion.
Page 51: Transport And Storage
SWE90UF-2PB Operation & Maintenance Manual 2 TRANSPORT AND STORAGE Warning Before reading this chapter, please thoroughly read and make sure contents described in the chapter "SAFETY RULES" of this manual are understood completely.
Page 52: Transport
SWE90UF-2PB Operation & Maintenance Manual 2.1 TRANSPORT 2.1.1 General Transport Instructions Before using a trailer to transport machine, contact local traffic department to confirm relevant  regulations, make sure that machine’s overall length, width, height and weight are within allowed spec.
Page 53 SWE90UF-2PB Operation & Maintenance Manual Set travel speed at low position. Do not  attempt any travel speed switching operation to avoid that sharp change of speed and over-speed cause danger. Always keep the machine travel at low speed. Be sure engine runs at low speed, adjust ...
Page 54: Loading
SWE90UF-2PB Operation & Maintenance Manual 2.1.4 Loading Note Load the machine only on firm, level ground  and keep a safe distance with the road shoulder. Chock the machine to prevent the machine  movement during loading process. The ramp for loading must have enough ...
Page 55: Tying Down The Machine
SWE90UF-2PB Operation & Maintenance Manual 2.1.5 Tying Down the Machine Note Secure the chains or slings to the machine frame.  Do not place the chains and slings across or press on the hydraulic piping or hoses. When placing the machine on the specified position of ...
Page 56: Lifting Machine
SWE90UF-2PB Operation & Maintenance Manual Raise boom to proper height.  Align the center line of machine track with that of ramp  and travel slowly. When machine is over the rear wheels of the trailer,  operate on the machine slowly so that the machine could transfer to the ramp smoothly.
Page 57: Storage
SWE90UF-2PB Operation & Maintenance Manual Stop the engine, remove the key and lock cab doors  and windows securely. Use steel rope and support rod with sufficient length to  keep them not to hit machine during lifting operation. Cover steel rope or rod with protective material to avoid damages to machine if necessary.
Page 58: During Storage
SWE90UF-2PB Operation & Maintenance Manual to be stored outdoors, select level, firm ground and cover the machine with a sheet. 2.2.2 During Storage Note When it's necessary perform  rust-preventive operation whilethe machine is at indoor, open the doors and windows to ventilate and prevent gas poisoning.
Page 59: About Machine
SWE90UF-2PB Operation & Maintenance Manual 3. ABOUT MACHINE 90 UF-2PB Tailless F Series (UF) Development Rubber/steel Model Deflection Cab specification Weight（Kg） code no. track equipped rubber track 9200 SWE90UF-2PB 768 equipped steel track 9350 Note: The above weight figures are measured with the following five requirements: 1. Diesel oil tank is full (diesel oil instrument displays full);...
Page 60: Position Of Machine Components
SWE90UF-2PB Operation & Maintenance Manual 3.1 POSITION OF MACHINE COMPONENTS 1 Cab 2 Seat 3 Rear cover 4 Fuel tank 5 Hydraulic oil tank 6 Travel motor 7 Track roller 8 Carrier roller 9 Crawler 10 Idler 11 Dozer blade...
Page 61: Cab（Closed
SWE90UF-2PB Operation & Maintenance Manual 3.2 CAB（CLOSED） 1．Throttle knob 2．Air conditioner panel 3．Seat 4．Pilot handle 5．Left operating handle 6．Deflection control pedal 7. Left travel control lever 8．Right travel control lever 9．Boom section two control pedal 10．Display screen 11．Right operating handle 12．Dozer blade control handle...
Page 62: Monitor Meter
SWE90UF-2PB Operation & Maintenance Manual 3.3 MONITOR METER As shown in FIG. 2.3.1. FIG. 2.3.1 1 Fuel level indicator 2 Cooling water temperature gauge 3 Work voltage 4 Time 5 Meter settings 6 Check parameter 7 Auto-idle indicator 8 Mode...
Page 63: Meter Functions
SWE90UF-2PB Operation & Maintenance Manual 15 Charging failure 16 Failure indicator light 17 Engine rotation speed 18 Exhaust failure 19 Regeneration respond 20 Regeneration request 21 High temperature of exhaust air 22 Engine failure indication 3.3.1 Meter Functions Simulative/numerical water 1.
Page 64: Buttons
SWE90UF-2PB Operation & Maintenance Manual 7. Oil filter: When oil filter clogging alarm switch connects, 5 seconds later, corresponding icon will be displayed in warning indicating area; the red indicator light will be on and the buzzer will be activated.
Page 65: Control Panel
SWE90UF-2PB Operation & Maintenance Manual 3.4 CONTROL PANEL As shown in FIG. 3.4.1. FIG. 3.4.1 1. Work light switch 2. Wiper switch 3. Washer switch 4. High travel speed switch 5. Regeneration request switch 6. Regeneration interlock switch 7. Quick-change lock switch(optional) 8.
Page 66 SWE90UF-2PB Operation & Maintenance Manual 5 —Regeneration request switch This switch should be turned on when the regeneration should be done manually. Details, please refer to the operational technological instruction of YAMAR regeneration rocker switch. 6 —Regeneration interlock switch This switch should be turned on when the regeneration should be done manually. Details, please refer to the operational technological instruction of YAMAR regeneration rocker switch.
Page 67: Radio
SWE90UF-2PB Operation & Maintenance Manual 3.5 RADIO 3.5.1 Panel Functions FIG. 3.5.1 1. Power switch 2. Sound mode 3. Automatic storage 4. Upward select 5. Downward select 6. Band selection 7.Mute 8. Volume adjustment 9. Play/Pause 10. Fast backward/Forward 11. Radio prestore 3/Repeat play 12. Radio prestore 13.
Page 68: Operation Instructions
SWE90UF-2PB Operation & Maintenance Manual B a s s b o o s t / a t t e n u a t i o n … … … … … … … … … … … … … … … … … … … … … … … … … … … … . + / - 9 d B H i g h p i t c h b o o s t / a t t e n u a t i o n …...
Page 69: Radio Bluetooth Function
SWE90UF-2PB Operation & Maintenance Manual (8) Fast Backward /Forward（）： Radio mode: short press to broadcast radio station which is stored on number 2 and number 4; long press to store the currently playing station onto number 2 and number 4.
Page 70 SWE90UF-2PB Operation & Maintenance Manual (3) Enable the Bluetooth function of cellphone to search device (device name: BT MP3), press “connect” on the cellphone, the radio will display as figure 2.5.4 after successful connection. FIG. 3.5.4 (4) If there’s no successful connection with some cellphones, it’s necessary to change the setting of bluetooth on the cellphone.
Page 71: Seat Adjustment
SWE90UF-2PB Operation & Maintenance Manual 3.6 SEAT ADJUSTMENT A r m r e s t a d j u s t m e n t k n o b A R e c l i n e r k n o b B...
Page 72: Air Conditioner
SWE90UF-2PB Operation & Maintenance Manual Caution (1) Only adjust the seat when the driver is in safety condition. (2) For slider and recliner adjustment, please make sure the knob is in the proper position; only when the adjustment mechanism parts are separate, then do the adjustment.
Page 73: Pilot Control Handle
SWE90UF-2PB Operation & Maintenance Manual 3.8 PILOT CONTROL HANDLE Operation marks (As figure 2.7.1)： The machine equipped with left and right pilot control handle. The right pilot handle controls following movements (As figure 2.7.2): Rearward—— lift boom Forward —— lower boom Leftward——...
Page 74: Cab Toplight
SWE90UF-2PB Operation & Maintenance Manual 3.10 CAB TOPLIGHT 3.11 FRONT WINDOW Front window of the cab can be opened easily for maintenance and leaving by the operator when there’s an emergency. Open the fixed buckle of front window; push the glass window upwards and backwards to the scheduled position where for fixing.
Page 75: Wind Hood And Covering Parts
SWE90UF-2PB Operation & Maintenance Manual 3.12 WIND HOOD AND COVERING PARTS Wind hood: The engine should be equipped with air ducting hood to prevent foreign materials from being involved into fan which disturbs the normal work of fan. On the other hand, the assembly of air ducting hood can prevent accidents caused by carelessly putting hand into the fan.
Page 76: Machine Operation
 When the machine is used with other purposes not in this manual, you have to get the consent of Sunward or its agents and obey relative regulations in the 4.2 RUNNING-IN OPERATION...
Page 77: Operating Engine
SWE90UF-2PB Operation & Maintenance Manual 4.3 OPERATING ENGINE Daily inspection before operation Electric system Check whether there are abraded or cracked wire and slack connector or not, and check whether the light can be turned on or off normally. Boom, arm, bucket, dozer blade, sheet metal, track shoe Check whether there are curving, damaged, and lost parts or not.
Page 78 SWE90UF-2PB Operation & Maintenance Manual be maintained or replaced. Oil level in hydraulic oil tank Hydraulic oil filling label: 【Important】Following notes for adding oil to hydraulic oil tank: (1) Place machine on horizontal ground and retract all hydraulic cylinders, the oil level should not exceed MAX mark.
Page 79 SWE90UF-2PB Operation & Maintenance Manual position. 【Important】In order to avoid damage of starter, never operate motor starter for seconds or more every time. If the engine can’t be started, turn the key switch to OFF position. Wait for more than 2 minutes, and then try again.
Page 80 SWE90UF-2PB Operation & Maintenance Manual Using auxiliary battery  When battery is used or charged, it will produce explosive gas. Avoid flame or spark close to battery. Charge battery in a well-ventilated area. Place the machine on dry & hard ground, not on steel plates, otherwise it may produce spark accidentally.
Page 81: Travel Control
SWE90UF-2PB Operation & Maintenance Manual 4.4 TRAVEL CONTROL Travel with foot pedal (1) Straight travel: Step on two pedals forward at the same time. (2) Straight backing: Step on two pedals downward at the same time. (3) Turning in one point a) Turn left (As FIG.
Page 82 SWE90UF-2PB Operation & Maintenance Manual Right turning: push left handle forward. In order to protect travel mechanism, turning should be avoided as possible as you can while backing. Travel direction label： Travel speed During the machine traveling, press high/low speed switch on control panel to shift the travel motor speed between high and low, then the machine can travel at high or low speed.
Page 83 SWE90UF-2PB Operation & Maintenance Manual side of crawler, then turn the lifted crawler to clean out the attached silt. In order to reduce the force of boom and arm, the angle between boom and arm should be in the range of 90--110.
Page 84: Excavation
SWE90UF-2PB Operation & Maintenance Manual 4.5 EXCAVATION Working condition When digging lengthways with backhoe, make the drive wheel backward and guide wheel forward. When quarrying, in the consideration of safety, the drive wheel should be rearward and the idler should be forward.
Page 85 SWE90UF-2PB Operation & Maintenance Manual Bucket should dig along the cutting track and avoid digging hard earth constrainedly, otherwise it will cause the hydraulic oil overheated. During work, do your best to avoid pulling the handle to the end, otherwise it will cause hydraulic oil overheated and components damage.
Page 86: Excavator Parking
SWE90UF-2PB Operation & Maintenance Manual 4.6 EXCAVATOR PARKING Place the excavator on horizontal ground. Lower the bucket to ground, push the safety lever to the OFF position, turn down the throttle knob to the minimum position, and idle the engine for 5 minutes.
Page 87 SWE90UF-2PB Operation & Maintenance Manual Avoid transverse traveling on slopes. When the machine travels on slopes, the traveling direction should be accordant with the gradient. When upgrade and downgrade, keep the bucket pointing to the traveling direction and lifting 200-300mm to the ground (As figure 3.6.9). Lower bucket at once if the machine is skidding or instable.
Page 88 SWE90UF-2PB Operation & Maintenance Manual When digging a deep trench, avoid collide the boom or  arm cylinder hose with ground. Wron Operation on flat ground 【Important】  Do not use the bucket for flat operation excessively. Do not pull the bucket by travelling for flat operation.
Page 89 SWE90UF-2PB Operation & Maintenance Manual Once trench is excavated, it can dig up rocks by raising bucket from earth. Don’t make bucket bearing side load. For example, don’t level materials by swinging bucket or side impact objects with bucket. Preventing misuse of machine Don’t treat traveling movement as additional digging force.
Page 90 SWE90UF-2PB Operation & Maintenance Manual Be careful when retracting front work attachment Don’t allow the bucket to collide with dozer blade. Don’t allow dozer blade to touch roadblock Don’t allow dozer blade to touch roadblock, otherwise dozer blade, cylinder, or other components will be...
Page 91: Lifting Work
SWE90UF-2PB Operation & Maintenance Manual 4.7 LIFTING WORK Lifting hook mark: Note:  All local safety laws and regulations should be observed when the machine lifts objects.  Don't use damaged chain, wire rope, or cord in lifting work, or GBH may occur.
Page 92 SWE90UF-2PB Operation & Maintenance Manual If there’s any unstable condition, lower the load to ground.  Just lift the load to required height. Parameter of lift capacity: Lift point radius Lift point radius Lift (MIN) Lift point radius (3m) Lift point radius (4m)
Page 93 SWE90UF-2PB Operation & Maintenance Manual...
Page 94: Boom Swing
SWE90UF-2PB Operation & Maintenance Manual 4.8 BOOM SWING series excavators equipped with boom swing structure—swing head (as right picture) Boom swing pedal is located on the right foot of driver, it is used to swing boom, upper structure (cab, engine parts etc.) do not swing, this device is used to excavate a ditch or a retaining wall.
Page 95: Operation Of Boom Section Two
SWE90UF-2PB Operation & Maintenance Manual OPERATION OF TWO BOOM SECTIONS SWE90UF-2PB boom includes section one, section two, boom and two swing cylinders, as shown in FIG. 4.9.1. Two boom section sections increase the working range of the excavator. boom section...
Page 96: Air Conditioner Operation
SWE90UF-2PB Operation & Maintenance Manual NOTE During operation, pay attention to the working range and scope, preventing the collision of bucket from cylinders, dozer blades and cab. For example, the posture of work attachment in FIG. 4.9.4 is forbidden, easily resulting in the damage of boom cylinder.
Page 97 SWE90UF-2PB Operation & Maintenance Manual (4) As figure 4.10.1 shows, turn the wind speed switch to OFF to shut down the system. Heating Operation (1) Choose proper wind speed and direction according to the “aeration operation”. (2) As FIG 4.10.1 shows, turn the main switch to a proper position in red area. (Anticlockwise turn for lower temperature;...
Page 98 SWE90UF-2PB Operation & Maintenance Manual moderately low temperature. . Dehumidification and defrosting operation When it is damp (including the indoor vapor and sweat made by human) and indoor temperature is higher than outdoor (including using heater), except the discomfort of dampness to human, a layer of frost will form on the inner side of the glass which will affect the view.
Page 99 SWE90UF-2PB Operation & Maintenance Manual abrasion Pipelines Check wear or damage √ Joints Check wear or leakage √ Condenser Check clogging √ Wiring harness Check wear or burn √ Electromagnetic Clutch (Compressor) Check slip √ Check anomalous Compressor √ sound...
Page 100 SWE90UF-2PB Operation & Maintenance Manual Table 3 Fluid inspection lens Refrigerant photos/figures filling Other conditions Remark Condition amount After description moment Working shut-down of start Fluid inspection lens Air outlet is not cold Check and clear with enough, condenser release...
Page 101 SWE90UF-2PB Operation & Maintenance Manual Too many bubbles Air outlet is not cold appear during work enough, condenser inlet enough, condenser outlet is like the Extremely environment insufficient temperature, intake duct is warm and the pressure of high pressure side very low.
Page 102: Accumulator
SWE90UF-2PB Operation & Maintenance Manual Joint Type Torque (N·m) Nut (HEX 19mm) 12-15 Nut (HEX 22-24mm) 20-25 Nut (HEX 27mm) 30-35 Bolt for pipelines press plate (M6) Bolt for pipelines press plate (M8) 13-19 (10) If you find electromagnetic clutch of...
Page 103: Main Power Witch
SWE90UF-2PB Operation & Maintenance Manual Stop the engine.  Shift starting switch to ON position to flow the circuit current.  Set safety lock lever to free position. Operate work equipment lever and accessory control pedal forward,  backward, leftward and rightward alternately to release pressure in piping.
Page 104: Maintenance
SWE90UF-2PB Operation & Maintenance Manual 5. MAINTENANCE...
Page 105: Maintenance Rules
 Only use genuine SUNWARD parts.   If recommended fuel, hydraulic oil, lubricant, and genuine SUNWARD parts are not used, the warranty is automatically invalid. Never adjust engine speed limiter or hydraulic system safety valve.  Avoid electric parts touching with water and vapour.
Page 106: Preparation For Maintenance
SWE90UF-2PB Operation & Maintenance Manual 5.1.4 Preparation for Maintenance Place the machine on hard horizontal ground;  Lower the bucket to the ground;  Turn off the auto-idle speed function;  Idle the engine for 5 minutes;  Turn the starting key to “OFF” position;...
Page 107: Electrical System Maintenance
Service relating to the electrical system is to check fan belt tension, checking damage or wear to the  fan belt and checking battery fluid level. Never install any electric elements other than those specified by SUNWARD.  When working at seashore, clean the electrical system carefully to prevent corrosion.
Page 108: Oil, Coolant And Filter Element
SUNWARD distributor.  The hydraulic system has been filled with 46# oil, when delivered from our factory.  Do not use any hydraulic oil other than those recommended by SUNWARD. Failure to do so may cause filter clogging.
Page 109: Coolant In Cooling System
SWE90UF-2PB Operation & Maintenance Manual  Be careful not to let impurities get in when storing or adding fuel.  Always use the fuel specified in the Operation and Maintenance Manual.  Fuel may congeal depending on the temperature when it is used (particularly in low temperature below -15°C（5°F）, it’s necessary to use the fuel that is suitable from the temperature.
Page 110: Oil Storage
 When replacing filter elements, check if any metal particles are affixed to the old filter element. If any metal particles are found, contact your SUNWARD distributor.  Do not open packs of spare filters until just before they are to be used.
Page 111: Tightening Torque Specification
SWE90UF-2PB Operation & Maintenance Manual 5.3 TIGHTENING TORQUE SPECIFICATION Note If nuts, bolts, or other parts are not tightened to the specified torque, it will cause looseness  or damage to the tightened parts, and this will cause failure of the machine or problems with operation.
Page 112 SWE90UF-2PB Operation & Maintenance Manual M14X1.5(0.8) 24±2 26~30 M16X1.5(10) 30±3 27~33 M18X1.5(12) 51±8 43~59 M20X1.5 58±8 50~65 M22X1.5(15) 74±14 60~88 M24X1.5 74±14 60~88 M24X1.5(16) M26X1.5(18) 105±20 85~125 M30X2(20) M30X2(22) 135±20 115~155 M36X2(28) 166±26 140~192 M42X2 240±30 210~270 M45X2(35) 290±35 255~325 M52X2(42) 330±50...
Page 113: Engine Maintenance Guide
SWE90UF-2PB Operation & Maintenance Manual 5.4 ENGINE MAINTENANCE GUIDE 5.4.1 Adding Lubrication Grease Internal (Hours) 1000 2000 △ 零部件名称 Connection pins of boom △ and platform End pins of boom cylinder △ Each pin Each pin shaft of bucket and shaft of △...
Page 114: Gear Oil
Travel motor gear Replace 2 x1.2 L △ Note: The specific filling capacity of gear oil is determined by the real oil level. Power train oil GL-5 80W-90 (Sunward genuine) is recommended. 5.4.4 Hydraulic System Interval（Hours） Parts Name Qty. 1. Check hydraulic oil lever ——...
Page 115: Fuel System
SWE90UF-2PB Operation & Maintenance Manual 5.4.5 Fuel System Interval (hours) Parts name Qty. 50 100 250 500 1000 2000 1. Discharge sediments for fuel tank △ 2. Discharge water and sediments for water separator △ 3. Change fuel filter △...
Page 116: Air Filter
Maintenance is needed only for the initial inspection.  When the machine is delivered from SUNWARD, water and long lifetime cooling water  have been filled in the cooling system. You can replace the cooling water after a year or every 2000 hours’...
Page 117: Air Conditioning System
SWE90UF-2PB Operation & Maintenance Manual Different proportion of coolant for different temperature: If the temperature will be under 0℃（32°F）according to the forecast, the cooling system should be filled in with the mixture of coolant and soft water. Generally, the proportion of coolant is between 30% and 50%.
Page 118: Dpf Regeneration
SWE90UF-2PB Operation & Maintenance Manual 5.4.9 DPF Regeneration 5.4.9.1 Stationary Regeneration Requst Light 1Hz: When Reset Regeneration is activated, and the DPF Regeneration Disable Switch (REGMSW) is inhibited and engine warming is done. ON: When standby Stationary EM mode or Recovery Regeneration is activated, and engine warming is done.
Page 119 SWE90UF-2PB Operation & Maintenance Manual 5.4.9.4 Engine Fault Light ON: When standby Stationary EM mode is activated or dust should be cleaned or engine is at standby mode. ON: When there's other problems occur. 5.4.9.5 Regeneration Request Switch Standby regeneration request switch is only used when standby regeneration request lamp is on ( engine can not regenerate automatically).
Page 120 SWE90UF-2PB Operation & Maintenance Manual Turn on the “Regeneration request switch”, and turn the switch off after the regeneration response indication light is on for 3 seconds; Regeneration response indication light Regeneration request switch Turn on the “Regeneration inter-lock switch”, and then switch on “Regeneration request switch”...
Page 121 SWE90UF-2PB Operation & Maintenance Manual After regeneration request indication light is off, and the regeneration response indication light and the indication light of high exhaust temperature keeps on for 2 seconds, turn off the “Regeneration request switch”; Indication light high exhaust Check whether the engine speed keeps increasing to 2300 rev, if it’s, the regeneration inter-lock...
Page 122: Others
SWE90UF-2PB Operation & Maintenance Manual ◆ Do not operate in the closed place, or it will be poisoned by carbon monoxide. ◆ Regeneration will make the temperature is rising up, please make sure there is no inflammable things around vent-pipe to avoid fire.
Page 123: Hoses
SWE90UF-2PB Operation & Maintenance Manual 5.4.11 Hoses...
Page 124: Wearing Parts
SWE90UF-2PB Operation & Maintenance Manual 5.4.12 Wearing Parts Items Product no. Parts name Engine oil filter 730403000123 Engine oil filter element Oil-water separator filter 730403000459 element Fuel filter 730403000535 Diesel filter element 730403000028 Suction filter element Hydraulic oil filter 730403010028...
Page 125: Protective Measures For A Long Time Storage
SWE90UF-2PB Operation & Maintenance Manual prevent corrosion. Clean up air filter and cartridge more frequently.  Clean radiator and oil cooling fins to remove embedded dust  dusty and dirt. environment Clean up fuel suction cartridge and filter more frequently.
Page 126 SWE90UF-2PB Operation & Maintenance Manual possible rusting parts. Battery Remove battery, charge sufficiently, then store. Add antirust in the water, and add antifreeze if the cooling water may Cooling water be frozen; or exhaust cooling water, place the “no water in radiator”...
Page 127: Machine Maintenance Schedule
SWE90UF-2PB Operation & Maintenance Manual 5.5 MACHINE MAINTENANCE SCHEDULE 5.5.1 Daily Maintenance (Every 8 Hours) Carry out the following maintenance operation before starting machine daily (8 hours) 5.5.1.1 Filling grease of work attachment (1) boom cylinder foot ,1 place. (2) boom foot pin ( 2 places)
Page 128 SWE90UF-2PB Operation & Maintenance Manual 5.5.1.2 Checking Engine Oil Level Warning The parts and oil are at high temperature  after engine is stopped, and may cause serious burns. Wait until temperature goes down before starting operation. Open engine cover, pull dipstick out. Use clean ...
Page 129 SWE90UF-2PB Operation & Maintenance Manual 5.5.1.4 Checking Hydraulic Level 【Important】 Do not run engine with empty hydraulic oil tank.   Park the excavator on ground.  Fix the excavator with the arm cylinder fully retracted and bucket cylinder fully extended.
Page 130: Maintenance In Running-In Period (First 50 Hours)
SWE90UF-2PB Operation & Maintenance Manual come into contact with body. In case of accidents, contact experienced doctor for  medical attention. Warning Exposed hydraulic oil and lubricant can cause fire and injury to person. To avoid this hazard:  Stop the machine on firm level ground, lower bucket to ground.
Page 131 SWE90UF-2PB Operation & Maintenance Manual Note The engine oil might be hot, be care to handle to avoid scald. 5) After engine oil drained, fasten and secure drain valve. Replacing engine oil filter element Oil filter is positioned on the engine.
Page 132: When Maintenance Required
SWE90UF-2PB Operation & Maintenance Manual 5.5.3 When Maintenance Required 5.5.3.1 Draining Water and Sediment in Water Separator Water separator is located in right side of engine. Loosen drain valve located under water separator to drain water and Sediment. Fasten drain valve till clean diesel oil is discharged.
Page 133 SWE90UF-2PB Operation & Maintenance Manual 5.5.3.3 Replace Pilot Oil Filter Element Warning After engine is stopped, parts and oil are still in  high temperature which may result in serious injury. Wait for temperature to cool down before stating maintenance operation.
Page 134 SWE90UF-2PB Operation & Maintenance Manual low speed for 5 minutes. Stop the engine, remove key and set pilot control lever to LOCK position. Clean up the top of hydraulic oil tank to prevent dirt getting into hydraulic system. Press lock cap to release internal pressure.
Page 135 SWE90UF-2PB Operation & Maintenance Manual Cleaning Oil Return Filter Element 5.5.3.4 Warning After engine shut down, parts and oil are still at high  temperature. Wait for engine to cool down, before starting operation. return There is pressure inside hydraulic oil tank. Release ...
Page 136 SWE90UF-2PB Operation & Maintenance Manual Checking and Adjusting Fan Tension 5.5.3.5 【Important】 Excessive tension on belt will accelerate the damage of  bearing and belt. Loose belt may cause incomplete battery charging, engine overheating, belt abnormality and premature wear-out. Press at a point midway between fan belt pulley and engine belt pulley to check fan belt tension.
Page 137 SWE90UF-2PB Operation & Maintenance Manual 5.5.3.7 Cleaning Air Filter Element  In case of filter clogging, indicator on monitor will flicker to notify you to clean air filter element.  Stop the machine at level ground, lower bucket to ground.
Page 138 SWE90UF-2PB Operation & Maintenance Manual 5.5.3.7 Cleaning Cooler After the machine works for a certain period of time, the cooler surface will be covered with dust or other foreign material which will influence radiating effect of the cooler. It should be cleaned in time.
Page 139 SWE90UF-2PB Operation & Maintenance Manual 5.5.3.9 Checking Track Tension  Run engine at low idling speed, move the machine forward for a distance which equals to the length of track on ground. Then stop the machine.  As shown in right fig, choose a straight long rod; place it on track idler (1) and carrier roller (2), measure the maximize distance “A”...
Page 140 SWE90UF-2PB Operation & Maintenance Manual  There are bubbles flowing in cooling medium (continuous bubble flowing): Low cooling medium level. 【Important】 If the engine runs at low cooling medium level, this may  cause damages to compressor.  Bubbles indicate low cooling medium level, please contact SUNWARD distributor to add cooling medium.
Page 141 SWE90UF-2PB Operation & Maintenance Manual 5.5.3.13 Adjusting Bucket Clearance Warning When adjusting, it’s dangerous if work equipment is  moved by mishandling. Set work equipment at stable state, shut engine and lock  up safety lock lever.  Set work equipment in posture as shown in right fig.
Page 142 SWE90UF-2PB Operation & Maintenance Manual safety lock lever to the LOCK position.  Place a metal rod (diameter is a little smaller than pin) against the back of the pin), use a hammer to knock out pin (1), then remove bucket teeth (2).
Page 143 SWE90UF-2PB Operation & Maintenance Manual 5.5.3.1 Greasing Ball Track of Swing Bearing  Stop the machine on level ground and lower the bucket on the ground.  Shut auto-idle speed switch, run the engine unloaded at low speed for 5 minutes.
Page 144: Common Failures And Solutions
SWE90UF-2PB Operation & Maintenance Manual 5.6 COMMON FAILURES AND SOLUTIONS 5.6.1 Non- Failure The following things are not belong to failures. 1. When retracting arm, the speed of arm will be decreased if the arm exceed or less than vertical place.
Page 145: Troubleshooting
【Important】: Please contact with Sunward about the disassembly and repair of hydraulic components in hydraulic system, users are not allowed to do that without authorization. Note:...
Page 146 SWE90UF-2PB Operation & Maintenance Manual Turbocharger malfunction Contact with authorized distributor. Engine fails Air bleeding failure Remove muffler and run the engine make full use of Temperature of engine is “ENGINE OVERHEATING” power. too high or too low. “over-cooling” Leakages...
Page 147 SWE90UF-2PB Operation & Maintenance Manual Improper fuel Intake system clogging Intake piping damage Draining out and replace with proper fuel Intercooler clogging Check intake system Ejection pump replace Exhaust gas is black unpunctual clean up intercooler （out of limits） Ejection...
Page 148 SWE90UF-2PB Operation & Maintenance Manual Engine Failure Diagnosed Code...
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Page 153 SWE90UF-2PB Operation & Maintenance Manual Electrical System Fault and Maintenance Malfunction Possible Causes Solutions Starting motor Start relay fails to disconnect Replace starting relay or contact your continues to run or gets pulled in. distributor after engine Defective starting key Contact your designated distributor started.
Page 154 SWE90UF-2PB Operation & Maintenance Manual Fuse Position and Function Boom light Air conditioning system Compressor Cigar lighter Reserve power supply Wiper Oil pump horn Engine Front light Monitor Solenoid valve Main relay Indoor light Starting switch （Sequence: start from left）...
Page 155 SWE90UF-2PB Operation & Maintenance Manual Hydraulic System Fault and Maintenance Malfunction Possible Causes Solutions Low hydraulic oil level Add hydraulic oil until specified scale level is hydraulic reached temperature Warm up operation until hydraulic Oil type do not match temperature reaches around 50℃.
Page 156 SWE90UF-2PB Operation & Maintenance Manual 1. No pressure or No action or slow insufficient pressure for when control pilot 1. Add nitrogen. the bag type accumulator. valve lower 2. Check and repair valve hole. boom after engine 2. Oil leakage for check stops valve.
Page 157 SWE90UF-2PB Operation & Maintenance Manual stoppage of pilot valve. Stoppage hydraulic Repair. motor Contact with distributor. Stoppage swing Swing platform reduction gearbox Contact with distributor. doesn’t rotate, rotate Stoppage of swivel bearing Repair. slowly or unstably Grease is needed for swivel Inject into grease.
Page 158 SWE90UF-2PB Operation & Maintenance Manual A/C Fault and Maintenance Malfunction Possible Causes Solutions electric appliance connector loosen causes plug connector tightly or repair clutch abnormal tighten it, if it wear-out ,please loosened belt replace it System noise Blower, fan blade of electric fan loosened...
Page 159 SWE90UF-2PB Operation & Maintenance Manual conditioning expansion valve partial clogged wash expansion valve fault replace dry bottle clogged replace appearance of dustproof net or evaporator is wash too dirty return air inlet of A/C is clogged clean appearance of condenser is too dirty...
Page 160: Swe90Uf Techinial Parameters
SWE90UF-2PB Operation & Maintenance Manual 6. SWE90UF TECHINIAL PARAMETERS 6.1 MACHINE SPECIFICATION Machine specification SWE90UF-2PB Equipped with 9200 kg rubber track Operating weight Equipped with 9350 kg steel track Standard bucket capacity 0.26 m3 Track shoe width 450 mm Power plant...
Page 161: Dimension
SWE90UF-2PB Operation & Maintenance Manual 6.2 DIMENSION Unit: mm Machine Model SWE90UF-2PB 2270 Tumbler distance 2900 Overall length of crawler Platform ground clearance 1430 Tail swing radius 2250 Chassis width Track shoe width Chassis ground clearance Crawler height 6535 Overall length...
Page 162: Work Parameter
SWE90UF-2PB Operation & Maintenance Manual 6.3 WORK PARAMETER Unit: mm Machine Model SWE90UF-2PB Max. digging height 8240 Max. dumping height 6135 Max. digging depth 4735 Max. vertical digging depth 4140 Max. digging reach 8035 Max. digging reach at ground level 7875 Max.
Page 163: Circuit Diagram
SWE90UF-2PB Operation & Maintenance Manual 6.4 CIRCUIT DIAGRAM...
Page 164: Electrical Components Table
SWE90UF-2PB Operation & Maintenance Manual 6.5 ELECTRICAL COMPONENTS TABLE Component Component Safety Relay Monitor Meter Flameout Control Relay Preheating Relay Fuel Valve Relay Controller Starter Electronic Oil Pump Front Light Relay Radio Generator Washer Assembly Water-temperature Sensor Wiper Controller Air Filter Indicator...
Page 165: Hydraulic Schematic
SWE90UF-2PB Operation & Maintenance Manual 6.6 HYDRAULIC SCHEMATIC max min (P2) (LS2)
Page 166: Hydraulic Components Table
SWE90UF-2PB Operation & Maintenance Manual 6.7 HYDRAULIC COMPONENTS TABLE Name Qty. Main valve Main pump Main pump controller Swing motor Right travel motor Left travel motor Central swivel joint Left pilot handle Right pilot handle Dual pedal valve Pilot filter...
Page 167: Noise & Vibration Description
SWE90UF-2PB Operation & Maintenance Manual 6. 8 NOISE & VIBRATION DESCRIPTION According to ISO3744 & ISO6395：the machine fulfills the requirements of the Directive 2000/14/EC & 2005/88/EC, results are as followings: Noise at operator’s position： L =78dB; Machine noise： L = 97 dB...
Page 168: Operation Instruction Of Attachment
Warning： Please consult Sunward dealer before installing optional parts；  Don’t use other option attachment which is not agreed by Sunward or Sunward dealer, or it will  shorten the service life of the machine and cause other safety problems.
Page 169: Assembly Parameter Of Attachment
SWE90UF-2PB Operation & Maintenance Manual distance is that the position when stopping the swing operation to the position the machine stops swing). Wrong estimation of the swing exceeding stroke may make the machine colliding with surrounding objects, so enough distance should be kept during operation. Besides, nature falling will also increase (the work device will decrease gradually as for its gravity) 5.
Page 170 SWE90UF-2PB Operation & Maintenance Manual 200mm 200 mm 305mm φ55 φ13 310mm 359mm 417mm 253mm 2100mm L6(MIN) 1120mm L6(MAX) 1860mm...
Page 171: Pipeline Introduction
SWE90UF-2PB Operation & Maintenance Manual 7.3.2 Pipeline Introduction ①—Large oil return tube— ②—Right auxiliary tube assembly ③—Right crushing tube assembly ④—Right hydraulic quick-change tube assembly ⑤—Left hydraulic quick-change tube assembly ⑥—Left crushing tube assembly ⑦—Left auxiliary tube assembly...
Page 172: Pipeline Assembly Parameter
SWE90UF-2PB Operation & Maintenance Manual 7.3.3 Pipeline Assembly Parameter Qty. of flow Type Pressure Mpa Pipeline joint Seal L/min Crush M18X1.5 Seal O ring Auxiliary tool M18X1.5 Seal O ring Hydraulic G1/4 ED Seal quick-change...
Page 173: Hydraulic Hammer Breaker
7.4 HYDRAULIC HAMMER BREAKER 1. Different models of excavator is installed with different types of hydraulic hammer breaker, before mounting hydraulic hammer breaker, please consult Sunward to confirm the mountable model. 7.4.1 Main Use of Hydraulic Hammer breaker hammer breaker is to run the piston in fast speed repeatedly with the circulation Hydraulic of working oil, making full use of the produced vibration impact to break rocks.
Page 174: Operation Key Points Of Hydraulic Hammer Breaker
SWE90UF-2PB Operation & Maintenance Manual 2. Pull the dial on the right handle to crush. 错误 wrong wrong 7.4.3 Operation Key Points of Hydraulic Hammer breaker (1) Cap the pipe end of arm and dismantle the hammer breaker when not use.
Page 175: Safe Operation Of Hydraulic Hammer Breaker
7.4.4 Safe Operation of Hydraulic Hammer Breaker Please stop operation when oil tube vibrates too much. When high and low pressure oil tube of hammer breaker vibrate excessively, that should be disassembled and repaired, please contact with designated Sunward after-sale service station.
Page 176 SWE90UF-2PB Operation & Maintenance Manual Forbid empty hitting Stop the striking on the moment once the rock is broken, because continuous empty-hitting may not only damage the drill rod and flat pins, and the load bearing mechanism. When rod position is incorrect or when the drill rod is used as a lever, empty hitting will happen.
Page 177: Replacing Hydraulic Oil And Filter Element
SWE90UF-2PB Operation & Maintenance Manual h）Do not operate the hammer breaker in water or mud When parts except drill rod sinking in water or mud, please stop operating the hammer breaker, because mud may be gathered on the piston or the similar parts, resulting in the premature damage of the hammer breaker.
Page 178: Key Points For Hydraulic Clamp Breaker
SWE90UF-2PB Operation & Maintenance Manual Replacement Interval （hours） An excavator with hydraulic hammer An excavator with normal breaker bucket Hydraulic oil 600★ 1000 Filter element 100★ Note: (1)The replacement interval with ★ is applied for the excavators on which the hammer breaker is used continuously for a long time.
Page 179: Hydraulic Quick-Change
SWE90UF-2PB Operation & Maintenance Manual 7.5 HYDRAULIC QUICK-CHANGE Quick-change device can change working tools easily by the operating button and operating handle in the cab. SWE90Fcrawler type hydraulic excavator is equipped with SWQC02 hydraulic quick-change, of which the working pressure is 4～25MPa, the greatest pressure is 30MPa, working flow is 10～20L/min and cylinder stroke is 40mm.
Page 180: Operation Procedure Of Attachment Control
SWE90UF-2PB Operation & Maintenance Manual 【NOTE】: Disable the “hydraulic quick-change” function when it’s not used to avoid serious accidents caused by accidental operation. 7.6 OPERATION PROCEDURE OF ATTACHMENT CONTROL 1. Pull the pilot safety lever of the left control box to the level position before operation.
Page 181: Optional Parts List
SWE90UF-2PB Operation & Maintenance Manual 3. Switch function of left and right handle This function is to change the control function on the left and right handle. Normally, the changeover valve is on the Ⅰposition, at this moment, it’s the left handle to control the arm and the right handle to control the boom.
Page 182: Manufacturer Information
SWE90UF-2PB Operation & Maintenance Manual 8 MANUFACTURER INFORMATION Company： SUNWARD INTELLIGENT EQUIPMENT CO., LTD. Trade mark： Add：Sunward Industrial Park, No.1335 Liangtang Road (E), Xingsha, Changsha, Hunan, China Sales hotline：400-887-6230; Service hotline：400-887-8230 Maintenance point：Our office in various provinces and cities of China Distributor information...
Page 183 SWE90UF-2PB Operation & Maintenance Manual Overseas subsidiary information Subsidiary Name Email Address D-09-02 MENARA MITRALAND SUNWARD INTELLIGENT (M) NO.13A,JALAN 5/1.KOTA mal2@sunward.cc SDN. BHD. DAMANSARA,PJU 5,47810,PETALING JAYA SELANGOR. lo 33, biet thu 1, ban dao linh dam, Công ty TNHH SUNWARD Việt vnm1@sunward.cc...

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