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  Cut away the covering material from over the elevator servo mounting 

hole in the left side of the fuselage and from over the rudder servo mounting 
hole in the top of the fuselage.

  Plug one 12" long servo extension onto both your elevator and rudder servos.

  Position and mark the mounting hole locations for the control horn on the 

bottom

 of the elevator.  When aligned properly, the centerline of the control 

horn should be 3/4" (19mm) out from the side of the fuselage and the clevis 
attachment holes should be lined up over the hinge line.  The base of the 
control horn should be parallel to the hinge line, too, so that the control horn 
will line up with the pushrod wire.

  Drill 5/64" (2mm) diameter pilot holes through the elevator for the control 

horn mounting screws, then apply a couple of drops of thin C/A to the pilot 
holes and allow the C/A to fully cure.

 The C/A will harden the surrounding balsa, making the mounting area 

stronger.

  Thin C/A

  # 1 Phillips Head Screwdriver

  Needle Nose Pliers

  Modeling Knife

  Electric or Hand Drill

  (1)  5-1/2" (140mm) Threaded Wire with Z-Bend

  (1)  4-1/8" (105mm) Threaded Wire with Z-Bend

  (2)  Nylon Control Horns with Backplates

  (2)  Nylon Clevises

  (4)  M2 x 10mm Machine Screws

  1/16" (1.6mm) & 5/64" (2mm) Drill Bits

  Straight Edge Ruler

  Pencil 

  Masking Tape

ElEvAToR AnD RUDDER conTRol SySTEMS inSTAllATion

YOu'LL NEED THE fOLLOWiNG PArTs frOM THE KiT:

YOu'LL NEED THE fOLLOWiNG TOOLs AND suPPLiEs:

STEP 1:  inSTAlling ThE SERvoS

IMPORTANT

  If you mount your receiver near the back of the wing saddle, 12” long servo extensions will be long enough.  If you 

mount your receiver farther forward, you may need to use longer servo extensions.

  Install the elevator and rudder servos into the mounting holes, making 

sure to drill 1/16" (1.6mm) diameter pilot holes for the mounting screws.  Both 
servo output shafts should be toward the front of the fuselage.

IMPORTANT

  Depending on the height of your elevator servo, you may 

need to cut away the covering material from the right side of the fuselage 
to allow the bottom of the servo to stick out beyond the fuselage side.

STEP 2:  inSTAlling ThE ElEvAToR conTRol linkAgE ASSEMBly

Summary of Contents for Apex 3D EP ARF

Page 1: ...our Color Decal Sheet Dual Aileron Servos for Precise Control and Mixing Capabilities Includes High Quality Hardware Fast and Easy Assembly Over 60 High Resolution Digital Photos and Drawings All Cont...

Page 2: ...s an important point or an assembly hint This R C airplane is not a toy If misused or abused it can cause serious bodily injury and or damage to property Fly only in open areas and preferably at a ded...

Page 3: ...ak Quattro LiPO DC Charger l Maxx Products 1 8 Propeller Adapter You will need to use a 4 or more channel transmitter with a 4 or more channel standard range mini receiver Ideally the transmitter shou...

Page 4: ...NOT leave in direct sunlight or in a hot car or storage area Do NOT get wet or expose to moisture Do NOT short circuit the battery ONLY discharge and charge the battery outdoors or in a firesafe cont...

Page 5: ...e you begin assembly and it will also help you become familiar with each part If you find any parts missing or damaged please contact your local distributor using the Customer Service Information on p...

Page 6: ...the glue to stick better Also never glue directly to the covering material Always remove the covering material from the gluing surfaces prior to gluing the parts together When cutting away the coverin...

Page 7: ...4 6mm in front of the front of the fuselage q While gently holding the motor in position adjust the placement of the two motor mounting straps so they are centered but not covering any of the motor s...

Page 8: ...draw an outline around the wing hold down doubler on the wing Step 1B INSTALLING the motor Brushless outrunner direct drive Line up the mounting holes in your motor with the precut slots in the plywo...

Page 9: ...ways make sure to remove the covering material from the gluing surfaces before gluing the parts together Step 2 installing the WING HOLD DOWN dowels Glue one wing hold down dowel into the two holes at...

Page 10: ...zontal Stabilizer with Elevator 1 Vertical Stabilizer with Rudder q 220 Grit Sandpaper with Sanding Block q Masking Tape q Paper Towels q Rubbing Alcohol q Epoxy Mixing Sticks q Epoxy Mixing Cups Cut...

Page 11: ...ing IMPORTANT If the stabilizer is not parallel to the wing remove it and use 220 grit sandpaper with a sanding block to sand down the higher side of the stabilizer mounting slot until you are satisfi...

Page 12: ...s amount of 5 minute epoxy to the gluing surfaces of both the stabilizer and the fuselage then push the stabilizer into place and realign it double checking all of your measurements once more before t...

Page 13: ...Screwdriver q Needle Nose Pliers Modeling Knife q Electric or Hand Drill 1 5 1 2 140mm Threaded Wire with Z Bend q 1 4 1 8 105mm Threaded Wire with Z Bend 2 Nylon Control Horns with Backplates 2 Nylon...

Page 14: ...servo making sure that the servo horn is centered and pointing out toward the side of the fuselage Position and install one control horn onto the left side of the rudder using the same techniques that...

Page 15: ...With both the rudder servo horn and the rudder centered thread one nylon clevis onto the pushrod wire and snap the clevis into the outermost hole in the control horn Double check that both servo horn...

Page 16: ...er or lower than the other one Position and install one control horn onto the bottom of one aileron using the same techniques that you used to install both the elevator and the rudder control horns Wh...

Page 17: ...ding gear wires in place Test fit and glue the tail skid into place using a generous amount of glue Make sure that the tail skid faces toward the back of the fuselage and that it s lined up straight w...

Page 18: ...n mount your receiver to the fuselage floor using a piece of double sided foam tape not included Plug a Y Harness into the aileron slot in your receiver so that you can connect the aileron servo leads...

Page 19: ...RTANT Make sure to tighten the propeller nut firmly Ailerons 5 8 16mm Up and Down Elevator 1 2 13mm Up and Down Rudder 1 2 13mm Right and Left Test Flying and Sport Flying 3D Flying Balance Point The...

Page 20: ...heck that they are on the low rate setting for your first few flights Check to ensure that all of the control surfaces are moving the proper amount in both low and high rate settings Check the receive...

Page 21: ...prowess beyond mere loops and rolls The Profile Sukhoi will hover knife edge perform blenders and all the advanced 3D aerobatics The ModelTech engineers have designed the Sukhoi 31 to handle superbly...

Page 22: ...Page 22 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 23: ...Fit Hardware Supplied Price Other 9 What did you like least about this kit Assembly Manual Parts Fit Hardware Supplied Price Other 10 Are you satisfied with the finished model If no please explain Ye...

Page 24: ...l Hobby Distributors Attn Global Services 18480 Bandilier Circle Fountain Valley CA 92728 8610 Post Office will not deliver without proper postage ______________________________ ______________________...

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