22 CA 252/302/402 M252EN6
EVERY 250 HOURS OF OPERATION (Monthly)
Bolted joints
– Checking tightening torque
Fig. 31 Right side of machine
1. Steering pump
2. Rear axle
3. Engine suspension
4. Wheel nuts
Rear axle suspension (2) 330 Nm (243 lbf.ft), oiled.
Steering pump against engine (1) 38 Nm (28 lbf.ft).
Engine suspension (3). Check that all M12 bolts (x20)
are tightened, 78 Nm (57 lbf.ft).
Wheel nuts (4). Check that all nuts are tightened, 470
Nm (347 lbf.ft), oiled.
(The above applies to new or replaced components
only.)
Check all the rubber elements (1), and replace them all if
more than 25% of the elements on the same side of the
roller have cracks deeper than 10–15 mm (0.4-0.6 in).
Use a knife blade or other pointed tool when carrying
out this check.
Check also that the screw fasteners (2) are tightened.
Fig. 32 Roller, vibration side
1. Rubber element
2. Screw fasteners
Rubber elements and screw
fasteners – Check
3
2
1
4
1
2
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