Wacker Neuson 803 Track Excavator Service Manual
136 pages · Publication 1000164843
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- Models
- 803
- Manual type
- Service Manual
- Pages
- 136
- Publication
- 1000164843
- Condition
- Brand new
What's inside
From the manual's own table of contents: 31 sections, 153 entries. See sample pages (PDF, 694 KB)
General52 topics
- Important information on this service manual
- Identification of warnings and dangers
- Designated use and exemption from liability
- Type labels and component numbers
- Machine: overview
- Control stand overview
- Display elements: overview
- Engine compartment: overview
- Chassis
- Engine
- Fuel injection pump
- Engine capacities
- Engine tightening torques
- Hydraulic system
- Auxiliary hydraulics oil flow
- Undercarriage and swivel unit
- Stabiliser blade
- Screwable hose burst valve
- Electric system
- Fuse box under side trim on the right
- Relays
- Noise levels
- Vibration
- Coolant compound table
- Model-specific tightening torques
- General tightening torques
- Tightening torques for hydraulic screw connections (dry assembly)
- Tightening torques for high-resistance screw connections
- Dimensions model 803
- Lift capacity table 803 RD
- Kinematics
- Attachment compatibility
- Fluids and lubricants
- Additional oil change and filter replacement (hydraulics)
- Maintenance label
- Explanation of symbols on the maintenance label
- Maintenance plan (overview)
- Service package
- Introduction
- Fuel system
- Specific safety instructions
- Refuelling
- Stationary fuel pumps
- Diesel fuel specification
- Bleeding the fuel system
- Fuel prefilter with water separator
- Replacing the fuel filter
- Engine lubrication system
- Checking the oil level
- Filling up engine oil
- Changing engine oil
- Replacing the engine oil filter cartridge
Cooling system2 topics
- Checking/filling up coolant
- Draining coolant
Air filter2 topics
- Replacing the filter
- Functional check once a week of the dust valve
V-belt2 topics
- Checking V-belt tension
- Retightening the V-belt
Pressure check3 topics
- General
- Pressure check of gear pump P2
- Pressure check of gear pump P1
Hydraulic system5 topics
- Checking the hydraulic oil level
- Filling up hydraulic oil
- Changing hydraulic oil
- Replacing the filter cartridge
- Checking hydraulic pressure lines
Chains2 topics
- Checking chain tension
- Setting the chains
Lubrication work3 topics
- Lubrication points on the boom
- Lubrication strip
- Maintenance of attachments
Electric system10 topics
- Service and maintenance work at regular intervals
- Instructions concerning specific components
- Dynamo
- Battery
- Cleaning
- General instructions for all areas of the machine
- Exterior of the machine
- Engine compartment
- Screw connections and attachments
- Pivots and hinges
Checking the injection nozzles1 topic
- Pressure check
Injection time37 topics
- Checking and adjusting injection time
- Replacement of fuel injection pump
- Adjusting engine revs
- Compression
- Checking the coolant thermostat
- Checking the thermal switch
- Oil pressure switch
- Checking the coolant circuit
- Engine trouble
- Hydraulic pump PGP505B0050CA1H2NJ7J5C-505A00
- Pump unit: exploded view
- Main valve block
- Ports
- Legend
- Main valve block diagram
- Pressure limiting valves
- Pump assignment
- Travelling drive
- Function
- Swivel unit
- Swivel joint
- Sealing
- Mechanical control
- Control lever
- Drive levers
- Troubleshooting in the hydraulic system
- Removing the plastic trim
- Hydraulics diagram: legend
- Hydraulics diagram A4
- Hydraulics diagram A3
- Main valve block diagram 803 A3
- Ohm's Law (current, voltage, resistance); power
- Measuring equipment, measuring methods
- Cable colour coding
- Use, mode of function
- Control lever tip switch
- Right-hand side handle
Show all 32 sections
Rollbar3 topics
- Foldable ROPS rollbar (option)
- Folding the rollbar up and down
- Lowering and raising the rollbar
Inside this manual
Real pages from this service manual (136 pages). Open the sample pages (PDF, 693 KB)
- Specifications, page 22: SERV-HB 803 EN – Edition 1.1 * 803s210.fm
- Troubleshooting, page 106: SERV-HB 803 EN – Edition 1.1 * 803s510.fm
- Diagram, page 126: Electric system
- Color page, page 18: SERV-HB 803 EN – Edition 1.1 * 803s110.fm
- Color page, page 61: SERV-HB 803 EN – Edition 1.1 * 803s314.fm
- Foldout diagram (color), page 110: Hydraulic system
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 803 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 136 pages
Quantity one is the manual described above.
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Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).