McCONNEL MULTIDRIVEM380‐4&M420‐4
77
Maintenance and Operation of Air Brake System
Hoses and coupling
Check all pies and hoses for damage. When driving the vehicle without a trailer the cover
on the hose coupling must be kept closed.
Weekly maintenance
With the engine shut off and the pressure in the air tank at 5.3 bar, no drop in pressure
should register over a three-minute period.
If a drop in pressure is detected –
a) Check all compressed air connections for leakage.
b) Visually check all hoses for damage.
The air dryer desiccant cartridge requires checking and replacing as
necessary.
When replacing components or parts to the air system - USE GENUINE SPARES ONLY.
WARNING
To prevent serious eye injury, always wear safe eye protection
When performing vehicle maintenance or service. Remove all pressure from the air
system before disconnecting any component, including the desiccant cartridge.
Pressurized air can cause serious personal injury.
Compressor
Check for oil and air leaks,
repair if necessary.
Air reservoir
Drain condensation water
from reservoir daily.
Air Reservoir
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