Wacker Neuson 28Z3, Service Manual

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SHB 28Z3 EN - Edition 2.0 * 28Z3s20IVZ.fm
I-3
Draining oil ....................................................................................................... 3-49
Tracks .................................................................................................................... 3-50
Checking track tension .................................................................................... 3-50
Adjusting track tension .................................................................................... 3-51
Maintenance of attachments .................................................................................. 3-52
Lubrication points ................................................................................................... 3-52
Parking the machine ........................................................................................ 3-52
Overview of lubrication points ................................................................................ 3-53
Lubrication points on the stabiliser blade and stabiliser blade ram ................. 3-54
Lubrication points on the swivelling console and slewing ram ........................ 3-54
Lubrication points on the boom, bucket and stick rams ................................... 3-55
Lubrication points on the boom and stick ........................................................ 3-56
Lubrication point on the joint rod ..................................................................... 3-56
Lubrication point on ball bearing race of live ring ............................................ 3-57
Lubrication point of live ring teeth .................................................................... 3-57
Lubrication point of VDS live ring teeth ........................................................... 3-58
VDS lubrication points (option) ........................................................................ 3-59
Powertilt lubrication points (option) .................................................................. 3-59
Lubrication points of hydraulic quickhitch (option) ........................................... 3-60
Lubrication points of mechanical quickhitch (option) ....................................... 3-60
Cab ........................................................................................................................ 3-60
Electrical system .................................................................................................... 3-61
Service and maintenance work at regular intervals ......................................... 3-61
Instructions concerning specific components .................................................. 3-61
Alternator ......................................................................................................... 3-61
Battery ............................................................................................................. 3-62
General maintenance work .................................................................................... 3-63
Cleaning .......................................................................................................... 3-63
General instructions for all areas of the machine ............................................ 3-63
Inside the cab .................................................................................................. 3-63
Cleaning the seat belt ...................................................................................... 3-63
Exterior of the machine .................................................................................... 3-64
Engine compartment ....................................................................................... 3-64
Shatter protection ............................................................................................ 3-64
Screw connections and attachments ............................................................... 3-64
Pivots and hinges ............................................................................................ 3-64
Preparatory work before taking out of service ....................................................... 3-65
Maintenance if the machine is out of service for a longer period of time ............... 3-65
Putting into operation again ............................................................................. 3-65
Fire extinguisher .................................................................................................... 3-66
Engine
3TNV76-NNS engine overview ................................................................................ 4-2
Fuel system ............................................................................................................. 4-4
Cooling system ........................................................................................................ 4-5
Checking and adjusting valve clearance ................................................................. 4-6
Lapping the intake and exhaust valves ............................................................. 4-7
Tightening order for cylinder head bolts .................................................................. 4-7
Order for removing the cylinder-head bolts: ...................................................... 4-7
Order for mounting the cylinder-head bolts: ...................................................... 4-7
Checking the injection nozzles ................................................................................ 4-8
Pressure check .................................................................................................. 4-8
Checking the nozzle jet ............................................................................................ 4-9
Injection time ............................................................................................................ 4-9
Checking injection time ...................................................................................... 4-9
Setting injection time ....................................................................................... 4-11
Removing and installing the injection pump .......................................................... 4-12