OPERATING IN SNOW (Contd)
Remove all ice and snow build-up on vehicle.
Refuel fuel tank(s) (4) as soon as possible.
Drain moisture from tanks in the following sequence. Failure to do so may result in
reintroduction of moisture from tanks that have not been purged, resulting in equipment
failures due to ice forming in air lines.
Purge moisture from air tanks in the following order:
Open wet tank drainvalve (7).
Open primary and secondary drainvalves (5) and (6).
Open spring brake drainvalve (8).