Wacker Neuson 28Z3, Service Manual

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2-6
SHB 28Z3 EN – Edition 2.0 * 28z3s210.fm
Specifications
2.11 Model-specific tightening torques
*) All connections with an * must be glued with Loctite S2420 or VaryBond 12-43.
2.12 General tightening torques
Tightening torques for hydraulic screw connections (dry assembly)
Galvanised and dry surface (O-ring slightly oiled). Torque tolerance: -10 %
Values determined empirically and to be applied as approximate figures.
Drive torque – at 210 bar (3045 psi) 2990 Nm (2205 lbs/ft)
Holding torque – at 225 bar (3263 psi) 7270 Nm (5362 lbs/ft)
Minimum hose/pipe size 10 mm (0.4”)
Connecting hose size 6 mm (0.23”)
1. The actual angle can vary slightly from the indication made here.
Model 28Z
3
Thread
Tightening torque
Nm (lbs/ft)
Live ring M12 10.9 120 (88.5) *
Track roller M14 10.9 120 (88.5) *
Drive pinion M12 10.9 120 (88.5) *
Travelling drive M12 10.9 120 (88.5) *
Gear motor M12 10.9 120 (88.5) *
Angled engine bracket M10 8.8 45 (33.2)
Engine bearing M10 8.8 45 (33.2)
Pump base M10 10.9 45 (33.2)
Pump M12 10.9 110 (81.1)
Swivel joint M10 10.9 100 (73.8)*
Counterweight/additional counterweight M20 8.8 290 (213.9)*
Metric hose fittings for hydraulic applications (light execution, DKOL)
Nominal Ø Outer Ø Thread Wrench size
Tightening torque
Nm (lbs/ft)
05 6L M12X1.5 WS 14 15 (11)
06 8L M14X1.5 WS 17 20 (14.7)
08 10L M16X1.5 WS 19 40 (29.5)
10 12L M18X1.5 WS 22 50 (36.8)
12 15L M22X1.5 WS 27 75 (55.3)
16 18L M26X1.5 WS 32 85 (62.7)
20 22L M30X2 WS 36 100 (73.75)
25 28L M36X2 WS 41 180 (132.7)
32 35L M45X2 WS 55 220 (162.3)