Hose assembly clean-out must take place Immediately after tank has been completely or
Completely unwind hose assembly from drum. If auxiliary mobile hose reel cart was used, both hose
assemblies must be unwound.
Close dry chemical and AFFF tank ball valve rods (1) (fig. 2-15).
Break strip ties (1) (fig. 2-16). Remove retaining clips (2) and close charge ball valves (3)
Break strip ties (4). Remove retaining clips (5) and open both purge ball valves (6)
Figure 2-16. Ball Valve Settings for Clearing Hoses