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SUNWARD SWE90UF-2PB - User Manual

SUNWARD SWE90UF-2PB
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I
Sunward Intelligent Equipment Co., Ltd.
September, 2022
SWE90UF-2PB
Crawler-type Hydraulic Excavator
Operation & Maintenance Manual
© All rights reserved by Sunward Intelligent Equipment Co.,
Ltd.

Table of Contents

Questions and Answers

  • W
    William FranklinAug 14, 2025
    What to do if my SUNWARD SWE90UF-2PB engine runs but is hard to start?
    • C
      Chelsea IbarraAug 14, 2025
      If the engine of your SUNWARD Excavator is running, but it's hard to start or won't start at all, there are several potential causes. It might be due to: being out of fuel, using the wrong type or brand of fuel, or fuel that is polluted. Other possible reasons include defective wiring, insufficient battery power, a clogged air filter, a clogged fuel filter, internal leakage in the fuel system or the fuel manual pump spring being up. Add fuel. You may also need to bleed the air from the fuel system, drain and replace the fuel with the correct type, check and fix the starting circuit, charge or replace the battery, or clean/replace the air and fuel filters. For the fuel manual pump spring, push down and secure the hand wheel. Check and repair any fuel leaks.
  • J
    Javier StokesAug 20, 2025
    Why is the exhaust gas from my SUNWARD SWE90UF-2PB Excavators black?
    • R
      Ryan HernandezAug 21, 2025
      If the exhaust gas from your SUNWARD Excavator is black, it could be due to improper fuel, a clogged intake system, damage to the intake piping, a clogged intercooler, an unpunctual ejection oil pump, a polluted ejection nozzle, or a malfunction in the engine's main block or body. You can drain and replace the fuel with the correct type, check the intake system and replace or clean up the intercooler. For issues with the ejection oil pump, ejection nozzle, or engine main block/body, contact your designated distributor.
  • B
    Bryan WelchAug 25, 2025
    Why is my SUNWARD SWE90UF-2PB engine not at full power?
    • Q
      qgillAug 25, 2025
      If the engine in your SUNWARD Excavator isn't using its full power, the air filter or fuel piping might be clogged, there could be an oil delivery malfunction, the fuel might be improper or polluted, the fuel filter might be clogged, the ejection oil nozzle might be polluted or malfunctioning, or the clearance of the eject pump linkage might be out of specification. Try cleaning or replacing the air filter, clearing any clogs or replacing the fuel piping, draining and adding proper fuel, or cleaning/changing the fuel filter. Contact a distributor.
  • D
    danielgayAug 27, 2025
    What causes white exhaust gas from SUNWARD Excavators?
    • M
      matthew72Aug 27, 2025
      If the exhaust gas from your SUNWARD Excavator is white, it could be due to improper fuel, the engine temperature being too low, a defective thermostat, or coolant leaks getting into the engine cylinder. You can drain and replace the fuel with the correct type, and run the engine to warm it up. For issues with the thermostat or coolant leaks, contact your designated distributor.
  • B
    Brianna AlvaradoAug 30, 2025
    Why is the charging indicator on in my SUNWARD SWE90UF-2PB Excavators?
    • S
      Shannon GibsonAug 30, 2025
      If the charging indicator illuminates while the engine of your SUNWARD Excavator is running, it could be due to a loosened or damaged engine belt, a worn-out belt pulley, engine damage, a defective charging circuit, or low battery voltage. Try adjusting or replacing the engine belt, replacing the belt pulley, checking and repairing the charging circuit, or charging/replacing the battery. For engine damage, contact your designated distributor.
  • C
    Chad MooreSep 3, 2025
    How to fix a SUNWARD SWE90UF-2PB Excavators display screen that doesn't work?
    • R
      Richard CruzSep 3, 2025
      If the display screen on your SUNWARD Excavator isn't working, it could be due to a blown fuse, a defective wire circuit, or a damaged display screen. Replace the fuse or check the circuit and repair it. For a damaged display screen, contact your designated distributor.
  • D
    Dr. Erin Harrington MDSep 6, 2025
    What to do if all SUNWARD Excavators indicators do not work?
    • M
      Matthew WilsonSep 6, 2025
      If all the indicators on your SUNWARD Excavator aren't working, it could be due to a blown fuse, a defective wiring circuit, or a defective circuit board. Replace the fuse or check the circuit and repair it. For issues with the circuit board or wiring, contact your designated distributor.
  • B
    brandonrobinsonSep 9, 2025
    Why does the starting motor keep running on my SUNWARD Excavators?
    • F
      fwaltersSep 9, 2025
      If the starting motor continues to run after the engine of your SUNWARD Excavator has started, it could be because the start relay fails to disconnect or gets pulled in, or the starting key is defective. Replace the starting relay or contact your distributor.
  • S
    Sarah EllisNov 16, 2025
    Why is my SUNWARD SWE90UF-2PB engine overheating?
    • B
      bakerlisaNov 16, 2025
      If your SUNWARD Excavator's engine is overheating, it could be due to several reasons: the coolant level might be too low, you might be using the wrong type of coolant (like water), the thermostat or temperature monitoring element could be defective, the radiator might be clogged, the fan could be defective, the fan belt might be worn or loose, the belt pulley could be defective, there could be a problem with the cooling system, the temperature sensor might be defective, or there could be an issue with the ejection oil pump. You can add coolant or replace it with the specified coolant. You can also clean the radiator and front strainer, replace the fan, adjust or replace the fan belt, replace the belt pulley, clean up the cooling system, and change the temperature sensor. For issues with t...

Summary

1 SAFETY RULES

1.1 SAFETY LABELS

Details on locating, maintaining, and understanding safety labels.

1.2 GENERAL SAFETY RULES

Broad safety guidelines covering machine operation, maintenance, and environmental hazards.

1.3 SAFE OPERATION INSTRUCTIONS

Step-by-step procedures and precautions for safe engine start-up and operation.

2 TRANSPORT AND STORAGE

2.1 TRANSPORT

Procedures for compliant and safe machine transportation via road or trailer.

2.2 STORAGE

Instructions for preparing and storing the machine for extended periods.

3. ABOUT MACHINE

3.1 MACHINE COMPONENTS

Visual identification and labeling of major machine components.

3.2 CAB

Details on the operator's cab layout and internal controls.

3.3 MONITOR METER

Explanation of meter functions, display ranges, alarms, and buttons.

3.4 CONTROL PANEL

Identification and function of switches on the main control panel.

3.5 RADIO

Radio specifications, panel functions, and Bluetooth operation.

3.6 SEAT ADJUSTMENT

Guide to adjusting the operator's seat for optimal comfort and posture.

3.7 AIR CONDITIONER

Operation of the air conditioning system for cooling, heating, and ventilation.

3.8 PILOT CONTROL HANDLE

Overview of pilot control handle functions for machine movements.

3.9 THROTTLE CONTROL

Explanation of the engine throttle control for speed regulation.

3.10 CAB TOPLIGHT

Information about the cab's overhead lighting.

3.11 FRONT WINDOW

Instructions for opening and securing the front cab window.

3.12 WIND HOOD AND COVERING PARTS

Description of protective features for the engine and components.

3.13 ACCESSORIES

List of included accessories with part numbers and quantities.

3.14 DECALS

Identification of important safety and operational labels on the machine.

4. MACHINE OPERATION

4.1 WORKING ENVIRONMENT

Specifies operating conditions, altitude, and temperature limits for the machine.

4.2 RUNNING-IN OPERATION

Guidelines for machine operation during the initial 50-hour period.

4.3 OPERATING ENGINE

Procedures for daily inspection, starting, and stopping the engine.

4.4 TRAVEL CONTROL

Methods for controlling machine movement using pedals and handles.

4.5 EXCAVATION

Instructions and safety notes specific to excavation tasks.

4.6 EXCAVATOR PARKING

Procedures for safely parking the excavator on various terrains.

4.7 LIFTING WORK

Safety regulations and procedures for lifting objects with the machine.

4.8 BOOM SWING

Operation of the boom swing pedal for directional control.

4.9 BOOM SECTIONS OPERATION

Control methods for operating the two boom sections.

4.10 AIR CONDITIONER OPERATION

Instructions for using the air conditioning system for heating and cooling.

4.11 MAIN POWER SWITCH

Procedures for operating the main power switch before and after use.

5. MAINTENANCE

5.1 MAINTENANCE RULES

General rules and procedures for correct machine maintenance and inspection.

5.2 OIL, COOLANT AND FILTER ELEMENT

Guidelines for using, storing, and replacing oils, coolant, and filters.

5.3 TIGHTENING TORQUE SPECIFICATION

Tables specifying torque values for bolts, nuts, and hose connections.

5.4 ENGINE MAINTENANCE GUIDE

Scheduled maintenance tasks and intervals for engine components.

5.5 MACHINE MAINTENANCE SCHEDULE

Detailed schedule for daily, periodic, and special condition maintenance.

5.6 COMMON FAILURES AND SOLUTIONS

Troubleshooting guide for common malfunctions and their solutions.

6. SWE90 UF TECHNICAL PARAMETERS

6.1 MACHINE SPECIFICATION

Technical specifications including weight, capacity, and engine details.

6.2 DIMENSION

Machine dimensions presented in a table with labeled parts.

6.3 WORK PARAMETER

Details excavation parameters like digging height, depth, and reach.

6.4 CIRCUIT DIAGRAM

Schematic diagram of the machine's electrical circuits.

6.5 ELECTRICAL COMPONENTS TABLE

Table listing electrical components with their corresponding numbers.

6.6 HYDRAULIC SCHEMATIC

Schematic diagram of the machine's hydraulic system.

6.7 HYDRAULIC COMPONENTS TABLE

Table listing hydraulic components with their names and quantities.

6.8 NOISE & VIBRATION DESCRIPTION

Reports on noise and vibration levels according to ISO standards.

7. ATTACHMENT OPERATION INSTRUCTIONS

7.1 SAFETY NOTE

Safety precautions and warnings for installing and using optional attachments.

7.2 ATTACHMENT ASSEMBLY NOTES

Warnings about stability and dangerous operations with heavy attachments.

7.3 ATTACHMENT ASSEMBLY PARAMETERS

Details structural assembly sizes and pipeline parameters for attachments.

7.4 HYDRAULIC HAMMER BREAKER

Instructions on the use, control, and safe operation of the hydraulic hammer breaker.

7.5 HYDRAULIC QUICK-CHANGE

Explanation of the hydraulic quick-change device's function and control.

7.6 ATTACHMENT CONTROL OPERATION

Procedure for controlling attachments using the handle dial.

7.7 OPTIONAL PARTS LIST

List of available optional parts like arms, buckets, and quick-change devices.

8 MANUFACTURER INFORMATION

Distributor Information

Section for recording distributor contact details.

Overseas Subsidiary Information

Contact details for Sunward's international subsidiaries.

SUNWARD SWE90UF-2PB Specifications

General IconGeneral
BrandSUNWARD
ModelSWE90UF-2PB
CategoryExcavators
LanguageEnglish

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