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Hoss X5R Assembly Instructions Please email me if you have any questions. I will be updating this manual randomly. Parts and Hardware list is provided with the kits. Remember to tension the belts after you have assembled the entire frame, to make sure the everything stays in alignment. After you have tensioned the main belt turn the rotor head without the blades on and feel how much force it takes. It should be smooth and take very little force. If it feels like your hand or the belt is working to hard to pull the motor and driveline make the belt a tiny bit looser and then test it again. Having the belt too tight will cause un-wanted load on the pulleys and motor and will cause more heat and premature belt wear. If its too loose the belt will wear or slip. After tensioning and testing it a few times you should have a good feel on how it should be. (Around 3.2mm to 4.5mm deflection)
PULLEY ASSEMBLY Be sure the CNC pieces are clean before assembling Assemble the outer drive flange to the top dished out 84T sub pulley. Use M2 x 4mm flat head screws. Put all the screws in slightly loose; then tighten them down. You can use some blue loctite if you wish. You never will have to take the flange off.
Next put the Align bearing assembly into the 84T pulley. Line up the 4 holes exactly. Then sit the assembly on the 1.55 thick inner drive flange with the main pulley at the bottom. The dished side of the main pulley faces down. Put the 4 M3 x 12mm screws in slightly loose and make sure the assembly all centered. Then tighten the 4 screws down tight. Use blue loctite on 1mm length of the threads. If the screws seem tight going in; they may need to be screwed in a few times first.
Lower bearing Assembly The align bearing sleeve is slightly oversized. I do sell these Pre-Sanded if you don't want to do it. You must sand the diameter of the Align bearing sleeve to fit in to the provided Flanged 10x15x4mm Flanged bearing. Only 2mm of the every lower part needs to be sanded. Use 400 to 1000 grit wet/dry with water. If you don't have a drill press or lathe you can use a power drill. Attach the main shaft to the bearing sleeve with the lower main shaft bolt. Chuck the main shaft into the drill. Wrap the sand paper around the very end and use finger pressure as you power the drill. Check the hole tolerance in between sanding to make sure the sleeve has a little friction going into the bearing.
Lightly grease the inside of the Drive pulley keeper, and lightly grease both sides of the align washer.
Assemble the lower 3rd bearing assembly using the modified Align motor mount supplied. Use blue loctite if you wish.
Rev 2 Adjustable Bearing sleeve keeper collar This collar will allow you to adjust the tightness between the clutch bearing and sleeve. Remember the Align washer goes in between the collar and the end of the bearing. Use some grease on both sides of the washer. You must tighten the collar first, use some loctite if needed. Make sure the screw is lined up parallel in the slot. Use the M2.5x16mm screw provided.
When the collar is tight and positioned with little or no friction where the pulley set doesn't slide up and down, then you can tighten the lower M2.5 x 16mm mainshaft screw. The slot will slide the nut in as you tighten it. Then once its tight back off the screw a little so the M2.5 lock nut is not binding the sides.
Tail Pulley/JackShaft Assembly The bearing may have to be lightly pressed on the provided 4 x 41mm shaft. Use the 1.5mm Hex L Key to tighten the pulleys.
OLD Main Belt guide assembly Standard ( NEW Flipped Motor Pulley design scroll down) Use the provided ring terminal to ground the Guide tower to the Negative on the ESC to battery wire. Crimp or solder the Wire first before you assemble the guide tower. Make sure the tower is strait so the belt is guided right.
NEW Guide tower assembly for Flipped Motor Pulley Design
Motor Pulleys 15T and 16T Motor pulleys use a 1/16"(1.5875mm) HEX Key. One is provided in the kit. (6-40 set screw) 17T to 21T Motor pulleys use a 1.5mm HEX Key. One is provided in the kit. (M3 set screw) Make sure the custom sleeve is in right and both set screws are equally tight. Remember both screws should be the same depth when they are tight. When sliding on the Motor shaft, have both set screws in, just enough to hold the Sleeve into place.
MOTOR SHAFT ADJUSTMENT If you don't have at least 24mm of length of motor shaft from the top of the can base to the end of the shaft the you will need to adjust the shaft. Pictures as shown The Newer Scorpion Motors Use a E or C Clip you will need to take off. You will need to use a T-Rex 450 Main shaft collar for the time being, until you can get a Beefier collar from Innov8tive Designs. The Collar just keeps the can assembly and shaft from sliding down. Also the magnetic pull keeps it in place also.
Loosen the 2 set screws in the bottom.
Tighten the 2 set screws in the bottom after you have moved the shaft.
Examples FLIPPED MOTOR PULLEY DESIGN
OLD DESIGN
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