Name: SANY SY155U
Brand: SANY
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NY Part Number SSY005079291

Y155U Excavator

Operation and Maintenance Manual

Table of Contents5
Introduction16
About this Manual16
Documentation Package16
Operation and Maintenance Manual16
Parts Manual16
Maintenance Log16
Organization of this Manual17
Table of Contents17
Introduction17
Safety17
Machine Controls17
Machine Operation17
Maintenance17
Specifications17
Optional Attachment17
Machine Applications17
Serial Number Location18
Product Identification Plate18
Frame Serial Number18
Swing Motor Identification Plate18
Engine Identification Plate19
Hydraulic Pump Identification Plates19
Travel Motor Identification Plate19
SANY Contact Information20
Record of Serial Number and Dealer Information20
Correction Request Form21
Glossary of Acronyms22
Safety23
General Safety24
Hazard Alerts in this Manual24
Operator Safety Information24
Mount and Dismount the Machine25
Machine Safety25
Authorized Use of this Machine25
Unauthorized Use of this Machine25
Unauthorized Machine Modifications25
Escape Tool25
Fire Safety25
Electrical Fires25
Fire Extinguisher26
In Case of Fire26
Crushing Hazard26
Diesel Engine Exhaust26
Machine Decals26
Maintenance Safety27
Lockout/Tagout Procedure27
Cleaning the Machine27
Fluid Systems27
Adding Fluids to the Machine27
Refueling27
High-Pressure Oil Lines27
Accumulator28
Electrical System28
Battery Safety28
Disconnect the Battery28
Job Safety28
Personal Protective Equipment (PPE)28
Hearing Protection28
Travel and Operation Precautions29
Inclined Areas29
Snow or Frozen Surfaces29
Avoid Backover Accidents29
Dust and Chemical Hazards29
Environmental Precautions29
Precautions in High-Voltage Areas30
Machine Controls31
Machine Overview34
Exterior Components34
Controls35
Hydraulic Lockout Control Lever36
Travel Control Levers/Pedals36
Left Console37
Right Console37
Dozer Blade Control Lever37
Throttle Control Dial37
Windshield Washer Switch38
Windshield Wiper Switch38
Key Switch38
Left Joystick38
Left Joystick Switches38
Right Joystick39
Right Joystick Switches39
Switches40
Switch Console40
Switch Icons and Status Indication40
Regeneration Inhibit Switch42
Auxiliary Flow Rate and Pressure Switches42
Hydraulic Travel Motor Mode Switch42
Engine Escape Mode Switch42
Manual Regeneration Switch42
Work Mode Switch43
Auto Idle Switch43
Auto Idle Function43
Front Work Lights Switch44
Travel Alarm Switch44
Start-Stop Switch44
Cigarette Lighter (12V)44
Emergency Stop Switch45
Battery Disconnect Switch45
Monitor Console45
Joystick Modes46
Left Joystick-SAE Mode46
Right Joystick-SAE Mode46
Joystick BHL Mode46
Left Joystick-BHL Mode46
Joystick SAE Mode46
Right Joystick-BHL Mode47
Pattern Change (SAE/BHL) Valve47
Return Flow Selector Valve48
Directional Arrow48
Stop Valve48
Sunlight Sensor49
Climate Control System50
Climate Control Panel50
Climate Control System Operation50
AUTO Button50
OFF Button50
Fan Speed Control50
LCD Screen50
Temperature Selection Control50
Vent Mode Selection50
Automatic Temperature Control (AUTO)50
Radio51
Radio Control Panel51
Radio Operation51
Auto Scan/Preset Station (AS/PS) Button51
PRESET STATION Buttons51
Lcd51
Sound Mode Adjustment Button (SEL)51
TIME Button51
AM/FM Selector Button51
Power Button52
Volume Control Buttons52
Tuning Buttons52
Antenna52
Fuse Location52
Fuse Panel52
Accessory Light Outlet (24V)52
Escape Tool53
Fire Extinguisher53
Monitor54
Home Screen54
Function Icons56
Home Screen Functions58
Work Accessory Selection58
Tool Select Screen58
Quick Coupler Operation59
Quick Coupler Screen59
Rearview Camera Screen59
Main Menu Screen60
Work Parameter Screen60
Engine and Throttle Signals Screen61
Input Switch Signals Screen61
Output Switch Signals Screen62
Pilot Pressure Signals Screen62
Main Pump Signals Screen63
Maintenance Information Screen63
Fault Information Screen64
System Setting Screen65
Machine Configuration Screen66
Tool Select Screen67
Machine Operation69
Work Area72
General Job Safety72
Operator's Responsibilities72
Seat Belt Usage72
Operation and Maintenance Manual Check72
Daily Maintenance Record Check72
Cleaning the Machine72
Cleaning the Machine Exterior72
Cleaning the Cab Interior73
Doors, Panels, Covers, and Filler Cap73
Cab Door73
Emergency Escape Hatch74
Cab Access Panels74
Door Support Rod74
Right Front Access Door74
Opening the Right Front Access Door74
Closing the Right Front Access Door74
Right Rear Access Door75
Opening the Right Rear Access Door75
Closing the Right Rear Access Door75
Left Rear Access Door75
Opening the Left Rear Access Door75
Closing the Left Rear Access Door75
Fresh Air Filter Access Door75
Engine Compartment Door75
Opening the Engine Compartment Door75
Closing the Engine Compartment Door76
Fuel Tank Filler Cap76
Opening the Fuel Tank Filler Cap76
Closing the Fuel Tank Filler Cap76
Prestart Checks and Adjustments76
Electrical Components Check77
Lights and Warning Devices77
Fuses77
Check the Fuses77
Seat and Seat Belt79
Seat Belt80
Buckle the Seat Belt80
Unbuckle the Seat Belt80
Cab Door Windows81
Windshield81
Opening the Windshield81
Closing the Windshield82
Lower Front Windshield83
Cab Light83
Mirrors83
Check Fluid Levels83
Starting the Engine84
Cold Weather Engine Starting85
Machine Warm-Up86
Idling the Engine86
Jump-Start the Engine87
New Machine Break-In88
Manual Regeneration88
Engine Shutdown89
Inspection after Engine Shutdown89
Travel Operations90
Machine Moving Precautions90
Directional Arrow90
Travel with Undercarriage Reversed90
Stopping the Machine91
Forward Travel91
Backward Travel91
Right Turn91
Left Turn91
Spot Turning92
To the Left92
To the Right92
Work Equipment Control and Operation92
Pattern Change (SAE/BHL) Valve Operation92
Arm Control - SAE Mode92
Arm Control - BHL Mode92
Boom Control - SAE Mode92
Boom Control - BHL Mode93
Bucket Control - SAE/BHL Mode93
Swing Control - SAE/BHL Mode93
Dozer Blade Control Lever93
Restricted Operation94
Never Operate with Bucket Force94
Never Use Swing Force94
Never Use Traveling Force94
Excavating Hard or Rocky Ground94
Never Operate Using Machine Weight95
Do Not Operate a Cylinder to the Stroke End95
Avoid Dozer Blade Impact95
Support the Dozer Blade95
Avoid Shifting Travel Directions Suddenly96
General Travel Instructions96
Operating in Water96
Precautions When Traveling on an Incline96
Engine Stalls on an Incline98
Operating on Soft Ground98
Removing a Stuck Machine98
One Track Stuck98
Two Tracks Stuck99
Recommended Operations99
Backhoe Operation99
Trenching Work100
Vehicle Loading100
Operation Precautions100
Towing the Machine100
Towing Point for a Light Load101
Bucket Remove and Install101
Remove the Bucket101
Install the Bucket102
Cold Weather Operation103
Operation in Cold Weather103
Engine Coolant in Cold Weather103
Battery in Cold Weather103
Track Cleaning in Cold Weather103
After the Cold Season103
Machine Storage in Cold Weather103
After Daily Operation103
Park the Machine104
End-Of-Workday Checks104
Long-Term Storage104
Prepare for Long-Term Storage104
During Storage105
Return to Service105
Starting the Engine after Long-Term Storage105
Transportation Information105
Transportation Method105
Loading and Unloading105
Loading the Machine106
Unloading the Machine108
Lifting the Machine109
Maintenance Information115
Checks before Maintenance or Repairs115
Checks after Maintenance or Repairs115
Hour Meter Reading115
Genuine SANY Parts115
SANY-Approved Lubricants115
Oil and Filter Inspection115
Fuel Strainer115
Preventing Contamination115
Securing Access Covers and Compartment Doors115
Cleaning the Machine116
Weld, Drill, Cut, or Grind on the Machine116
Daily Inspection and Maintenance116
Inspection and Maintenance for Severe Operating Conditions116
Mud, Rain, or Snow Conditions116
Near Ocean (Salt Air) Environments116
Dusty Environments117
Cold Environments117
Other Weather Environments117
Check the Maintenance Log117
Recommended Lubricants, Fuel, and Engine Coolant118
Hydraulic Oil Description118
Lubrication and Grease118
Windshield Washer Fluid118
Fuel118
Engine Coolant119
Engine Oil Viscosity/Temperature Data119
Lubricating Grease/Temperature Data119
Industrial Gear Oil/Temperature Data120
Hydraulic Oil/Ambient Temperature Data120
Capacities121
Other Approved Lubricants121
Maintenance Schedule122
Secure the Machine for Maintenance122
When Required122
Daily or Every 10 Hours122
After the First 50 Hours122
Weekly or Every 50 Hours122
Monthly or Every 250 Hours122
Every 3 Months or 500 Hours123
Every 6 Months or 1000 Hours123
Annually or Every 2000 Hours123
Hydraulic Breaker Maintenance Interval123
After Maintenance Is Completed123
Maintenance Procedures124
Fluid Level Checks124
Check the Engine Coolant Level124
Add Engine Coolant124
Check the Engine Oil Level125
Add Engine Oil125
Check the Fuel Level126
Add Fuel126
Check the Diesel Exhaust Fluid (DEF) Level126
Add Diesel Exhaust Fluid (DEF)126
Check the Primary Fuel Filter/Water Separator127
Check the Hydraulic Oil Level127
Check Windshield Washer Fluid128
Engine Inspection and Maintenance128
Engine Inspection129
Check the Crankcase Breather Tube129
Check and Replace the Engine Air Filter System129
Change the Engine Oil and Filter130
Inspect the Engine Serpentine Belt132
Adjust Engine Serpentine Belt Tension132
Check the Alternator133
Check the Starter133
Engine Cooling System133
Change the Engine Coolant133
Inspect and Clean the Air Conditioner Condenser Fins135
Inspect and Clean the Radiator and Oil Cooler Fins135
Drain the Charge Air Cooler136
Inspect the Engine Coolant Pump136
Heating and Air Conditioning System137
Check the Air Conditioning System137
Check the Air Conditioner Compressor Belt138
Adjust the Air Conditioner Compressor Belt138
Check Air Conditioner Fresh Air and Recirculation Filters139
Fresh Air Filter139
Recirculation Air Filter139
Exhaust System140
Check the Exhaust System140
Replace the Diesel Exhaust Fluid (DEF) Pump Filter141
Replace the Diesel Exhaust Fluid (DEF) Tank Filter142
Fuel System143
Inspect the Fuel Lines143
Drain the Fuel Tank143
Replace the Secondary Fuel Filter143
Replace the Primary Fuel Filter/Water Separator Element144
Check the Fuel Tank Strainer145
Electrical System146
Disconnect the Electrical Power146
Check the Electrical System146
Check the Batteries146
Replace the Batteries147
Hydraulic System148
Inspect the Accumulator148
Check the Accumulator Function148
Relieve Hydraulic System Pressure149
Add Hydraulic Oil150
Replace the Hydraulic System Breather Filter151
Replace the Hydraulic Pilot Line Filter Element151
Replace the Hydraulic Tank Return Filter152
Clean and Replace the Hydraulic Oil Suction Strainer153
Check the Hydraulic Hoses155
Change the Hydraulic Oil156
Check the Hydraulic Pump157
Check the Hydraulic Pump Mounting Fasteners157
Track Frame158
Track Inspection and Lubrication158
Check the Track Shoe Fasteners158
Check the Carrier Roller159
Check Carrier Roller Mounting Fasteners159
Check and Adjust the Track Tension159
Increase the Track Tension160
Decrease the Track Tension160
Final Drive161
Check the Final Drive Hoses161
Check the Final Drive Mounting Fasteners162
Check and Add Final Drive Oil162
Change Final Drive Oil163
Swing Drive164
Check and Add Swing Pinion Gear Grease164
Check the Swing Drive Oil Level164
Check the Swing Drive Mounting Fasteners165
Change the Swing Drive Oil165
Inspect the Swing Bearing Fasteners166
Collect Oil Samples166
Collect an Engine Oil Sample166
Collect a Hydraulic Oil Sample167
Collect a Final Drive Oil Sample168
Collect a Swing Drive Oil Sample168
Lubrication169
Lubrication Points169
Safety When Lubricating169
Boom Cylinder Base Ends and Swing Bearing Fitting170
Swing Gear170
Boom Manifold170
Bucket Arm171
Bucket171
Dozer Blade Cylinder Ends and Pivot Pins171
Lubricate the Cab Door Hinges and Front Window Slide Rail172
Cab172
Check the Grab Handles and Steps172
Check the Cab Door, Access Doors, Covers, and Locks172
Inspect Windshield Wiper and Washer Nozzle173
Check Locks, Doors, and Metal Panels173
Check the Sheet Metal173
Check the Upper Structure and Undercarriage174
Bucket174
Replace the Bucket Teeth174
Check the Operation and Maintenance Manual175
Specifications177
Machine Dimensions178
Working Range180
Technical Specifications182
Lift Chart183
Lift Chart (Continued)184
Optional Equipment187
Optional Equipment Selection188
Read Equipment Instructions188
Removal and Installation Precautions188
Operation Precautions188
Install Optional Equipment189
Remove Optional Equipment190

Brand	SANY
Model	SY155U
Category	Excavators
Language	English

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