Predator Sumo Assembly Instruction v2.0

Last modified by Eric Nantel on 2023/02/06 13:42

Predator Online Assembly Instructions, Revision 2. 
02.20.04

Safety first! Wear eye protection and never touch a powered robot!


Predator
 
Chassis Assembly
Step 1. Install the aluminum bars to the left side panel as shown. Use 10 of the 4-40 x 3/8 screws for each side as shown. Make a mirror image for the right side. Make sure to note the orientation of the motor screw holes, as the two panels are not exactly the same.

Note: Do not use thread lock as it may damage the plastic.

20 x


Figure 1.
 
Step 2. Time to install the motors. Be sure to use the 3mm x 6mm screws, they're the shiny ones with the Phillips head.

18 x


Figure 2.
 
Step 3. Solder the cap across the terminals as shown. Make sure you put the red to (+) and the black to (-). This will make wiring the speed controllers easier later on. Use at least 20 awg stranded wire. Wire each of the three motors in parallel. Leave about 6" of free wire on the end.
Figure 4.

Figure 3.
 
Step 4. Place the subassemblies upside-down as shown in Figure 5 to prepare attaching the bottom panel. Install the panel using the 4-40 x 3/8" machine screws. The robot will now begin to take shape.

6 x


Figure 5.
 
Step 5. Install the 1" spacers into the top panel using 6 of the 4-40 x 3/8" screws. The screws go in from the bottom and protrude from the top. Make sure to use the holes closest to the center of the board.

6 x


Figure 6.
 
Step 6. Install the lid onto the robot using 6 of the 4-40 x 3/8 screws.

6 x


Figure 7.
 
Step 7. Mount the top onto the robot using 6 of the 4-40 x 3/8 screws.

6 x


Figure 8.
 
Step 8. Install the hubs. First put the set screw into the hub. Tighten the set screw so that it just touches the flat of the motor shaft. Then push the hub down on the shaft as far as it will go, and then torque it down tight.
Figure 9.
 
Step 9. Install the wheels onto the hubs using 2 of the 5-40 x 3/8 screws per wheel.

6 x


Figure 10.
 
Step 10. Install the front scoop mount plate as shown. Use 4 of the 4-40 x 3/8 screws. Depending on how you configure your scoop you may need to reinforce this, or make another from aluminum using this as a template.

4 x


Figure 11.
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Created by Eric Nantel on 2023/02/06 13:39
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