Wacker Neuson 803 Dualpower, Service Manual

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2-4
SHB 803 en – Edition 2.4 * 803s210.fm
Technical data
Fuel injection pump
Engine capacities
Overview of capacities – see Fluids and lubricants on page 3-2
Engine tightening torques
2.3 Hydraulic system
Type
Design In-line pump
Injection pressure 118 – 128 bar (1711 – 1856 psi)
Engine speed control Mechanical
Lubrication system Force-feed engine oil lubrication
Capacities Model 803
Fuel tank 7 l (1.85 gal)
Engine oil (max./effect.) 2.8 l/1.3 l (0.74/0.34 gal)
Coolant (with radiator) 2.9 l (0.77 gal)
Coolant reservoir 1.1 l (0.29 gal)
Tightening torques Model 803
Cylinder-head bolt
1
1. Screws must be oiled!
54 – 58 Nm (M9x1.25) (40 − 43 ft lbs)
Connecting rod bearing screw
1
22.6 − 27.5 Nm (M7x1.0) (16.6 − 20.3 ft lbs)
Main bearing screw 75.5 – 81.5 Nm (M10x1.25) (55.7 – 60 ft lbs)
Flywheel screw 80.4 – 86.4 Nm (M10x1.25) (59.3 – 63.7 ft lbs)
Hydraulics Model 803
Pump (Tier IV final up to 2012) Twin gear pump 2 x 5 cm³ (2 x 0.3 in³/rev)
Flow rate (Tier IV final up to 2012)
2 x 11.35 l/min at 2270 rpm
(2 x 3 gal/min at 2270 rpm)
Pump (Tier IV final from 2012) Twin gear pump 2 x 4 cm³ (2 x 0.24 in³/rev)
Flow rate (Tier IV final from 2012)
2 x 10.7 l/min at 2675 rpm
(2 x 2.8 gal/min at 2675 rpm)
Control valve 9 sections
Main pressure limiting valve for pumps
P1, P2
170 +/ − 3 bar (2465.64 +/ − 44 psi)
Secondary pressure limiting valve
for swivel unit 70
-0/+0.5
bar (1015.3
-0/+7 psi
) at 11.5 l/min (3
gal/min)
Secondary pressure limiting valve, stick 250 +/ − 5 bar (3625.9 +/ − 72.5 psi)
Hydraulic reservoir capacity 13.8 l (3.6 gal)