Wacker Neuson 38Z3 Track Excavator Service Manual
226 pages · Publication 1000160891
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- Models
- 38Z3
- Manual type
- Service Manual
- Pages
- 226
- Publication
- 1000160891
- Condition
- Brand new
What's inside
From the manual's own table of contents: 48 sections, 240 entries. See sample pages (PDF, 752 KB)
General50 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
- Cab overview
- Cab (legend)
- Instrument panel overview (up to serial no. AE02803)
- Instrument panel (legend)
- Instrument panel overview (from serial no. AG00573)
- Engine compartment overview (Tier 2 up to AE02803)
- Engine compartment overview (Tier 3A from AG00573)
- Chassis overview
- Tilting the cab
- 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 in instrument panel
- Main fuse box with relays underneath the cab
- 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 38Z3
- Lift capacity table 38Z3
- Lift capacity table 38Z3 short stick + extra weight
- Lift capacity table 38Z3 long stick
- Lift capacity table 38Z3 with long stick + extra weight
- Kinematics
- Attachments
- Fluids and lubricants
- Additional oil change and filter replacement (hydraulics)
- Maintenance label
- Explanation of symbols on the maintenance label
- Maintenance plan (overview)
- Service package
- Up to serial no. AE02803
- From serial no. AG00573
Fuel system8 topics
- Specific safety instructions
- Refuelling
- Stationary fuel pumps
- Diesel fuel specification
- Bleeding the fuel system
- Emptying the fuel tank
- Fuel prefilter with water separator
- Replacing the fuel filter
Engine lubrication system4 topics
- Checking the oil level
- Filling up engine oil
- Changing engine oil
- Replacing the engine oil filter cartridge
Cooling system3 topics
- Checking/filling up coolant
- Filling up coolant
- Draining coolant
Air filter2 topics
- Replacing the filter
- Functional check once a week of the dust valve
V-belt4 topics
- Checking V-belt tension
- Retightening the V-belt
- Checking the V-belt of the air conditioning system
- Tightening the V-belt of the air conditioning system
Pressure check8 topics
- General
- Checking pilot control pressure
- Pressure check of variable displacement pump P1
- Pressure check of variable displacement pump P2
- Pressure check of gear pump P3
- Secondary pressure limiting valve of the gear motor
- Measuring ports: overview
- Primary pressure limiting valves
Hydraulic system5 topics
- Checking the hydraulic oil level
- Filling up hydraulic oil
- Changing hydraulic oil
- Monitoring the hydraulic oil reflux filter
- Checking hydraulic pressure lines
Travelling drive2 topics
- Checking the oil level and filling up oil
- Draining oil
Chains2 topics
- Checking chain tension
- Setting the chains
Lubrication work40 topics
- Lubrication points on the swivelling console
- Boom lubrication points
- Lubrication points on the stick
- Lubrication strip
- Maintenance of attachments
- Service and maintenance work at regular intervals
- Instructions concerning specific components
- Alternator
- Battery
- Replacing the cab filter
- General maintenance work
- Cleaning
- General instructions for all areas of the machine
- Inside the cab
- Exterior of the machine
- Engine compartment
- Screw connections and attachments
- Pivots and hinges
- Engine overview 3TNV88-PNS (Tier 2)
- Fuel system
- Checking and adjusting valve tip clearance
- Tightening order for cylinder head bolts
- Checking the injection nozzles
- Pressure check
- Checking the nozzle jet
- Injection time
- Checking injection time
- Setting 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 overview 3TNV88-BPNS (Tier 3A)
- Removing the cylinder-head cover
- Engine trouble
- Pump unit: exploded view
- Pilot oil supply unit
Main valve block5 topics
- Ports
- Legend
- Main valve block diagram
- Pressure limiting valves
- Pump assignment
Drive counterbalancing system1 topic
- Pump assignment for drive counterbalancing
Pilot valves3 topics
- Joystick
- Pilot valve (driving)
- Pilot valve for auxiliary hydraulics
Valves2 topics
- 7/2 directional valve (changeover valve)
- Changeover valve for SAE/ISO controls (option)
Travelling drive up to no. AE008541 topic
- Function
Swivel unit1 topic
- Parking brake/multidisc brake function
Swivel joint1 topic
- Sealing
Show all 49 sections
Relays1 topic
- Use, mode of function
Joystick tip switches2 topics
- Joystick (left)
- Joystick (right)
Starter45 topics
- Wiring diagram A4 38Z3 (legend)
- Wiring diagram A4
- Engine wiring harness (legend)
- Engine wiring harness A4
- Cab wiring harness A4 (legend)
- Cab wiring harness A4
- Roof wiring harness A4
- Revs control wiring harness (option)
- Wiring diagram A3 (legend)
- Wiring diagram A3
- Engine wiring harness A3 (legend)
- Engine wiring harness A3
- Cab wiring harness A3 (legend)
- Cab wiring harness A3
- Roof wiring harness A3
- Air conditioning
- Specifications
- Components
- Compressor
- Filling up the air conditioning system
- Maintenance
- Troubleshooting
- Counterweight
- Long stick
- Control circuit (pipework) connections for grab
- 3rd control circuit connections
- Auxiliary hydraulics connections
- Safe load indicator DE (safety valve for boom)
- Position
- Setting the pressure switch
- Wiring diagram
- Safe load indicator FR (safety valves for boom and stick)
- 3rd control circuit
- Diagram
- Drive interlock (antitheft protection)
- Disabling the drive interlock
- Enabling the drive interlock
- Programming
- Proportional controls
- Overview
- Wiring harness
- Control valve plug assignment
- Safety features
- Measures to be taken in case of malfunctions
- Diagnosis display
Fuel-filling pump1 topic
- Connections
Automatic revs setting (Tier 3A from AG00573)1 topic
- Installation
Inside this manual
Real pages from this service manual (226 pages). Open the sample pages (PDF, 751 KB)
- Diagram, page 189: Electric system
- Specifications, page 204: SERV-HB 38Z3 EN – Edition 2.1 * 38z3s710.fm
- Troubleshooting, page 219: SERV-HB 38Z3 EN – Edition 2.1 * 38z3s710.fm
- Color page: SERV-HB 38Z3 EN – Edition 2.1 * 38z3s510.fm
- Color page: SERV-HB 38Z3 EN – Edition 2.1 * 38z3s710.fm
- Foldout diagram (color): Hydraulic system
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 38Z3 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, 226 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).