LOWERING DOLLY SET WITH OR WITHOUT SHELTER
AND DETACHING FRONT AND REAR DOLLIES (Con't).
Remove safety pin (60) and hitch pin (61) and release handle (62) from stowage under
rear drawbar (39). Repeat for handle at front drawbar (55).
m. Release brakes on rear dolly by pushing in on airbrake control knob (63) and turning
parking brake lever (64) on pivoting tray (65) to OFF position.