TM 10-6640-239-13 4-123 4-53.    CURBSIDE STOWAGE BOX. This task consists of: a. Remove b. Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Personnel Required Three (3) Materials/Parts Required Lockwashers, (6) REMOVE 1. Remove Curbside Stowage Box.  See Figure 4-47. a. Empty stowage box (1) of contents before attempting removal. b. Position one person on each end of stowage box (1) and have them apply upward pressure while a third individual removes two pins (2) securing stowage box hanger channel (3). c. Remove stowage box (1). 2. Remove Stowage Box Hanger Channels. a. Remove three screws (4), lockwashers (5), washers (6) and hanger channel (7).  Discard lockwashers. INSTALL 1. Install Stowage Box Hanger Channels.  See Figure 4-47. a. Position hanger channel (7) into position and secure with screw (4), lockwasher (5), and washer (6). 2. Install Curbside Stowage Box. a. Place one person on each end of the stowage box (1) and lift box into position hanger channels (7). b. Attach stowage box (1) to hanger channels (7) with pins (2) then, secure pins with safety pins.