PREPARE FOR SHIPPING/STORAGE - Continued
Using valve control levers, BOOM RETRACT, to fold towing device.
With kingpin in vertical position, close top pressure relief valve (6) by turning breather switch (5)
elbow 90 from breather.
With main frame in the vertical position, the bottom breather is on the
fifth wheel side of the hydraulic tank and the top breather is located
towards the rear of the fifth wheel towing device. (Both breathers
look the same.)
Figure 19. Breather Valve