June 2004 9507EM/5
2-25
2 to 9 Tonne Dumper Instruction Manual
Maintenance
Rear Axle
Removal
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z Ensure the machine is positioned on firm, level ground
and the handbrake is ON and the front wheels are
chocked.
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z Clean the area around the rear axle and frame. Loosen the
rear wheel nuts.
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z Lift and support the rear of the dumper so rear wheels are
just clear of the floor. Leave a 'trolley' jack positioned unde
the centre of the axle - this will be used to lower and pull the
axle from under the dumper.
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z Remove the rear propshaft from the axle drive flange and
lower the rear of the propshaft on to the ground.
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z Disconnect the brake pipe from the rear axle and cap the
open ends.
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z Loosen the eight nuts and bolts fixing the axle to the front
frame and remove the two rear wheels.
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z Undo the eight nuts and bolts fixing the axle to the rear frame
and lower the axle on the trolley jack. Pull the axle from
under the dumper.
Under NO circumstances allow conventional BRAKE FLUID
to be added to the system and NEVER purge the system and
refill with brake fluid, otherwise damage will occur to all
the rubber sealing components in the brake system
Refitting
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z Ensure the axle and axle mounting faces are clean. Push the axle
into position under the rear of the dumper using a 'trolley' jack.
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z Lift the axle into position. Place new bolts through the frame
mounting pads. Fit new bolts, nuts and washers and tighten
the nuts evenly until the axle is in its correct position, tight
against the rear frame.
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z Refit the wheels - tighten the wheels nuts until wheels are
firmly held. When the machine is lowered to the ground the
wheel nuts must be torqued to the recommended torque.
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z Torque the axle mounting nuts to the correct torque - 216 Nm
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z Remove the plugs and refit the brake pipe, release the clamp
on the flexible brake at the centre pivot.
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z Refit the propshaft.
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z Lift the rear of the dumper off the supports, remove the
supports and lower the machine to the ground.
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z Bleed the brakes - see the Brakes section.
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z See the Wheel Torque table in the Technical Data section for
the wheel nut torques and torque the wheels nuts.
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z Check the machine is in working condition.
Wheels and Tyres
Check the tyres regularly for damage by cuts and embedded
particles, i.e. nails, steel, glass etc. and check / adjust the
pressures weekly. See Technical Data section for tyre pressures.
Lowering tyre pressures below the stated level can improve
traction in difficult ground conditions, but the loads carried
must be reduced pro-rata to avoid tyre wall damage
Valve
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