Dynapac CA280, Руководство по обслуживанию

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20
CA280 M280EN1
1
2
3
2
1
4
1 2
3
EVERY 250 HOURS OF OPERATION (Monthly)
Check all rubber elements (1), replace all of the
elements if more than 25% of them on one side of the
drum are cracked deeper than 10–15 mm (0.4-0.6 in).
Use the blade of a knife or pointed object to assist
when checking.
Ensure that the fastening screws (2) are tightened.
Fig. 28 Drum, vibration side
1. Rubber element
2. Fastening screws
Rubber elements and fastening
screws – Check
Fig. 26 Hydraulic cooler
1. Water cooler
2. Hydraulic fluid cooler
3. Intercooler
Open the engine cover to gain access to the water and
hydraulic coolers, and the intercooler.
Ensure that the flow of air through the coolers (1), (2)
and (3) is unobstructed.
Clean a dirty radiator using compressed air or a high-
pressure water jet. Blow or wash the radiator in the
opposite direction to that of the cooling air.
Take care when using a high-pressure water
jet; do not hold the nozzle too near the cooler.
The cooler may otherwise be damaged.
Wear protective goggles when working
with compressed air or high-pressure
water jet.
Coolers
– Checking/cleaning
Bolted joints
– Tightening check
Fig. 27 Right side of machine
1. Steering pump
2. Rear axle
3. Engine suspension
4. Wheel nuts
Steering pump against diesel engine (1) 38 Nm
(28 ft.lbs).
Rear axle suspension (2) 330 Nm (243 ft.lbs) oiled.
Engine suspension (3). Check that all M12 bolts (x20),
are tightened (20 off), 78 Nm (57 ft.lbs).
Wheel nuts (4). Check that all nuts are tightened, 470
Nm (347 ft.lbs), oiled.
(The above applies only to new or replaced
components.)