Raise the rollbar. Wacker Neuson 803
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Wacker Neuson 803, with an operating weight of 8.3 metric tons, provides you with more productivity and efficiency for your jobsites. Featuring an advanced hydraulic system, the 803 delivers maximum power to the attachment for optimal performance. Its spacious cab offers excellent visibility and comfort, enhancing your overall operating experience. Whether you're working on landscaping, construction, or demolition projects, the Wacker Neuson 803 is engineered to meet the demands of your toughest jobs.
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Operation
☞ Slowly and carefully lower the rollbar as far as it will go.
Fig. 81: Rollbar lowered
Raise the rollbar
Fig. 82: Lowering the rollbar
☞ Stop the machine on firm, level and horizontal ground.
☞ Stop the engine.
☞ Raise the lock lever.
☞ Remove the starting key.
Important
In order to raise it, the rollbar must be held by one person on either side.
☞ Slowly and carefully raise the rollbar.
☞ Mount the linch pins and bolts B on either side.
B
Fig. 83: Lowering the rollbar
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OM803us – Edition 3.1 * *803b330.fm
P
Rotating beacon bracket
Bracket P for installing a rotating beacon is located on top of the rollbar.
Operation
Fig. 84: Rotating beacon bracket
3.28 Seat belt (rollbar option) (up to serial no. AI01200)
Personal injury hazard. Do not drive or work with the seat belt unbuckled.
Risk of fatal personal injury or death.
• Buckle up before moving or operating the machine.
• Always fasten the seat belt if the rollbar is raised.
• Seat belt must not be twisted.
• Seat belt must run over the hips – not over the stomach – and must always be applied tightly.
• Do not place the seat belt over hard, edged or fragile items (tools, meter rule, glasses, pen) carried inside your clothes.
• Never buckle up 2 persons (children) with one seat belt.
• Check seat belts regularly. Have damaged parts immediately replaced by an
Wacker Neuson service center.
• Always keep the seat belt clean, as coarse dirt can impair proper functioning.
• Seat belt buckle must not be obstructed by foreign bodies (paper or similar); otherwise the buckle latch cannot lock into place.
OM803us – Edition 3.1 *803b330.fm
Personal injury hazard. After an accident the belt strap is stretched and no longer serviceable. In an accident, the seat belt will not provide adequate protection.
Risk of fatal personal injury or death.
• Replace the seat belt after an accident
• Have fastening points and seat fixture checked for bearing capacity.
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Operation
A
B
C
Seat belt C is for the driver’s safety.
Fastening the seat belt:
☞ Fasten the seat belt as follows before moving the machine:
• Hold belt on buckle latch A and run it slowly and steadily over the hips to buckle B .
• Insert buckle latch A into buckle B with an audible click (pull test).
• Tighten the seat belt by pulling at its end.
➥ The seat belt must be tightly in place over the hips.
Fig. 85: Fastening the seat belt
Fig. 86: Unfastening the seat belt
A
A
D
B
C
Unfastening the seat belt:
☞ Unfasten seat belt C as follows:
• Hold the seat belt.
• Press button D on buckle B .
➥ Latch A is released by spring pressure.
• Unfastening the seat belt.
Longer/shorter seat belt adjustment:
• Hold buckle latch A at a right angle to the seat belt and pull the seat belt to the required length.
• To shorten the seat belt, just pull the free end E of the belt.
E
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OM803us – Edition 3.1 * *803b330.fm
Operation
3.29 Retracting seat belt (from serial no. AI01201))
Personal injury hazard. Do not drive or work with the seat belt unbuckled.
Risk of fatal personal injury or death.
• Buckle up before moving or operating the machine.
• Always fasten the seat belt if the rollbar is raised.
• Seat belt must not be twisted.
• Seat belt must run over the hips – not over the stomach – and must always be applied tightly.
• Do not place the seat belt over hard, edged or fragile items (tools, meter rule, glasses, pen) carried inside your clothes.
• Never buckle up 2 persons (children) with one seat belt.
• Check seat belts regularly. Have damaged parts immediately replaced by an
Wacker Neuson service center.
• Always keep the seat belt clean, as coarse dirt can impair proper functioning.
• Seat belt buckle must not be obstructed by foreign bodies (paper or similar); otherwise the buckle latch cannot lock into place.
A
B
Fig. 88: Fastening the retracting seat belt
C
Personal injury hazard. After an accident the belt strap is stretched and no longer serviceable. In an accident, the seat belt will not provide adequate protection.
Risk of fatal personal injury or death.
• Replace the seat belt after an accident
• Have fastening points and seat fixture checked for bearing capacity.
The retracting seat belt C is for the driver’s safety.
Fastening the retracting seat belt:
☞ Fasten the retracting seat belt as follows before starting the machine:
• Hold belt on buckle latch A and run it slowly and steadily over the hips to buckle B .
• Insert buckle latch A into buckle B with an audible click (pull test).
• Tighten the seat belt by pulling at its end.
➥ The retracting seat belt must be tightly in place over the hips.
OM803us – Edition 3.1 *803b330.fm
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Operation
B
Fig. 89: Unfastening the retracting seat belt
A
D
3.30 Engine cover
C
Unfastening the retracting seat belt:
☞ Unfasten retracting seat belt C as follows:
• Hold the retracting seat belt.
• Press button D on buckle B .
➥ Latch A is released by spring pressure.
☞ Roll up the seat belt slowly.
WARNUNG
Personal injury hazard. Open the engine cover only at engine standstill.
Risk of personal injury.
• Stop the engine before performing work in the engine compartment.
• Raise the lock lever.
• Remove the starting key.
Burn hazard. Hot parts in the engine compartment.
Risk of injury.
• Stop the engine before performing work in the engine compartment!
• Raise the lock lever
• Remove the starting key
• Let the engine cool down.
Personal injury hazard. Careful when opening or closing the engine cover.
Risk of personal injury.
• Ensure that no-one is injured by the open engine cover.
• Ensure that no-one is injured when locking or unlocking it.
Important
Lock the engine compartment after working in the engine compartment or after opening the engine cover.
☞ This avoids unintentional opening.
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OM803us – Edition 3.1 * *803b330.fm
Fig. 90: Engine cover lock
Locking and unlocking:
Close the engine cover with the starting key of the preheating start switch.
☞ Turn the starting key in lock 3 to the left ( L ).
➥ Engine cover locked.
☞ Turn the starting key in lock
right ( R ).
Engine cover unlocked.
Opening:
☞
.
☞ Pull the engine cover upward.
Operation
Fig. 91: Open engine cover
B A
Fig. 93: Opening and closing the engine cover
☞ Let the engine cover engage in position A .
• It is locked by letting curved rail B engage in position A .
Close the engine cover
☞ Unlock the engine cover.
• It is unlocked by raising curved rail B .
☞ Lower the engine cover slowly.
☞ Firmly press down the engine cover until lock
engages with an audible click.
☞ Ensure that the engine cover closes correctly.
☞ Close the engine cover.
☞ Lock the engine cover.
OM803us – Edition 3.1 *803b330.fm
3-39
Operation
3.31 Towing the machine
A
Fig. 94: Towing bore
B
Accident hazard. Keep out of the danger zone of the machine.
Risk of serious injury or death.
• Ensure that no-one is dangerously close to the machine.
• Ensure that the machine can be towed safely.
• A tractor vehicle of the same weight category must be used as a minimum.
• Use towing bracket A for towing the machine.
NOTICE
The maximum admissible load of the towing bracket is 10000 N (2205 lbf).
• Use towing bracket A only for towing.
• Secure shackle B with the shackle pin and a lock pin.
• Mount a towing bar or cable of adequate size to the towing bore.
• Pull the machine slowly.
• Tow the machine only until the ground conditions allow the machine to move on its own.
NOTICE
Do not tow away the machine if it is at a standstill or broken down, otherwise the machine’s travelling drive can be damaged
• The machine must be transported with a crane
Important
The manufacturer’s warranty shall not apply to accidents or damage caused by towing the machine.
Using towing bracket A to pull other machines or to tow equipment is not allowed.
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OM803us – Edition 3.1 * *803b330.fm
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Key Features
- 8.3-ton operating weight for enhanced stability and performance
- Advanced hydraulic system for maximum power and efficiency
- Spacious cab with excellent visibility and comfort
- Versatile attachment compatibility for a wide range of applications
- Easy-to-use controls for smooth and precise operation
- Durable construction for long-lasting performance and reliability
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Frequently Answers and Questions
What is the operating weight of the Wacker Neuson 803?
What type of hydraulic system does the 803 have?
Does the 803 have a spacious cab?
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Table of contents
- 28 Abbreviations/symbols
- 32 Travelling drive
- 32 Operating hydraulics
- 32 Cooling system
- 32 TOPS rollbar (up to serial no. AF01416) (option)
- 32 ROPS rollbar
- 39 Overview of adhesive labels
- 43 Overview of safety labels
- 51 Conditions for use
- 51 User training and knowledge
- 51 Preparing for use
- 51 Information on visibility
- 52 Modifications and spare parts
- 52 User/Owner responsibility
- 52 Repair person qualifications
- 52 Preparing for use
- 53 Starting and stopping
- 53 Work area awareness
- 53 Danger area awareness
- 53 Operating the machine
- 54 Carrying passengers
- 54 Mechanical integrity
- 54 Traveling
- 55 TOPS rollbar (up to serial no. AF01416)
- 55 ROPS rollbar
- 55 Operation without TOPS rollbar (up to serial no. AF01416)
- 55 Operation without ROPS rollbar
- 56 Shatter protection (Option)
- 56 Work range and restricted visibility
- 57 General information
- 57 General information regarding attachments
- 57 Installation notes
- 58 Safety instructions
- 58 Working with a hammer
- 59 Towing
- 59 Transporting
- 59 General maintenance notes
- 60 Personal safety measures
- 60 Preparing for maintenance and repair work
- 61 Performing maintenance and repairs
- 61 Electrical energy
- 62 Underground electric lines
- 62 Overhead electric lines
- 63 Gas, dust, steam, smoke
- 63 Hydraulics
- 63 Noise
- 63 MSDS
- 63 Tracks
- 64 Battery
- 64 Running the engine
- 64 Fueling the engine
- 70 Safety instructions
- 70 .Putting the machine into operation for the first time
- 70 Running-in period
- 71 Check lists
- 71 Start-up checklist
- 72 Operation checklist
- 72 Parking checklist
- 73 Preheating start switch
- 73 Throttle
- 76 Procedure
- 79 Drive position
- 79 Moving off
- 79 Operating temperature range
- 80 Drive levers
- 86 Changing the width of the stabilizer blade
- 90 Parking the machine on slopes
- 92 Telescopically extended travel gear
- 93 Lowering the rollbar
- 94 Raising the rollbar
- 95 Lowering the rollbar
- 95 Raise the rollbar
- 96 Folding the rollbar back
- 96 Folding the rollbar forward
- 97 Lowering the rollbar
- 98 Raise the rollbar
- 105 Safety instructions
- 107 Safety instructions
- 111 General safety instructions
- 112 Left-hand control lever
- 112 Right-hand control lever
- 113 Boom swivel controls (up to serial no. AI00975)
- 114 Boom swivel controls (from serial no. AI00976)
- 115 Auxiliary hydraulics (up to serial no. AI00975)
- 116 Auxiliary hydraulics (from serial no. AI00976)
- 117 Auxiliary hydraulics (double-action option) (up to serial no. AI00975)
- 119 Auxiliary hydraulics (double-action option) (from serial no. AI00976)
- 120 Lowering the boom with the engine stopped
- 121 Rotating the upper carriage
- 121 Rotating upper carriage brake
- 122 Lock lever (up to serial no. AI00814)
- 122 Lock lever (from serial no. AI00815)
- 123 Releasing pressure
- 124 Specific safety instructions
- 125 Removing a bucket
- 125 Mounting a bucket
- 127 Auxiliary hydraulics connections (stick hose routing option)
- 127 Attachments
- 127 Maintenance of attachments
- 128 Working with the standard bucket
- 128 Prohibited work procedures
- 129 Excavator operating position
- 129 Bucket position when digging
- 130 Excavating trenches
- 130 Loading
- 130 Grading
- 130 Excavating trenches sideways
- 131 Working alongside trenches
- 131 Stabilizer blade at rear
- 132 Further practical hints for digging
- 132 Freeing the machine
- 132 Grading
- 136 Refuelling
- 137 Draining the fuel
- 137 Stationary fuel pumps
- 138 Bleeding the fuel system
- 139 Fuel prefilter with water separator
- 140 Checking the oil level
- 141 Adding engine oil
- 142 Specific safety instructions
- 143 Checking/adding coolant
- 145 Cleaning the radiator
- 147 Replacing air filter elements
- 149 Replacing air filter elements
- 151 Checking V-belt tension
- 152 Retightening the V-belt
- 153 Specific safety instructions
- 154 Checking the hydraulic oil level
- 155 Adding hydraulic oil
- 156 Important notices on the use of biodegradable oil
- 157 Checking hydraulic pressure lines
- 159 Parking the machine
- 159 Offset hydraulic cylinder lubrication points
- 160 Lubricating the ball bearing race of the live ring
- 161 Lubricating points of live ring teeth
- 161 Ball sockets (ISO/SAE changeover option)
- 162 Checking the track tension of the rubber tracks
- 163 Adjusting track tension
- 164 Service and maintenance work at regular intervals
- 164 Instructions concerning specific components
- 165 Alternator
- 165 Battery
- 167 Cleaning
- 167 General instructions for all areas of the machine
- 168 Control stand
- 168 Cleaning the seat belt:
- 168 Exterior of the machine
- 168 Engine compartment
- 169 Screw connections and attachments
- 169 Pivots and hinges
- 170 Putting into operation again
- 172 Oil grades for the diesel engine, depending on temperature
- 172 Additional oil change and filter replacement (hydraulic system)
- 173 Oil grades for the hydraulic system, depending on temperature
- 178 Explanation of symbols on the maintenance label
- 183 Fuses behind the right-hand trim
- 183 Relays behind the right-hand trim
- 188 Safety instructions – lift capacity table