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SBACH 342                      Item code: BH174A

Instruction Manual

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1.  Plug the throttle servo into the receiver and turn on the radio system. Check to ensure that the throttle servo 

output shaft is moving in the correct direction. When the throttle stick is moved forward from idle to full throttle, 

the throttle barrel should also open and close using this motion. If not, reverse the direction of the servo, using 

the transmitter.

Clunks

- - - 1

- - - 1

Fuel Tank

INSTALLING THE THROTTLE

2mm

2mm

Linkage 

stopper

4x4mm

2x10mm

2mm

Pushrod wire

Screw

Adjust the throttle input (trans-

mitter throttle stick), throttle trim 

movement and the carburattor 

opening to the suitable position

and screw in the 4x4mm set 

screw.

Connector

Zip tie

Silicone Tube

Fuel Tank

Summary of Contents for BH174A

Page 1: ...main gear included and aluminium Hi grade tail gear included Spinner size Plastic 86mm Covering type Genuine oracover Parts listing required not included Radio 06 channels minimum Servo 06 servos HV...

Page 2: ...Warranty 3 Disclaimer 3 Safety precaution 3 Important building notes 3 Suggestion 3 Flight warnings 3 Covering tools 4 Adhesives and required tools 4 Academy of Model Aeronautics National Model Aircr...

Page 3: ...st as the dust will blow back into your eyes Always wear safety goggles a particle mask and rubber gloves when grinding drilling and sanding fiberglass parts Vacuum the parts and the work area thoroug...

Page 4: ...t including fuel of 55 pounds unless in compliance with the AMA Large Model Airplane program AMA Document 520 A f Ensure the aircraft is identified with the name and address or AMA number of the owner...

Page 5: ...MA Documents 922 and 923 6 With the exception of events flown under official AMA Competition Regulations excluding takeoff and landing no powered model may be flown outdoors closer than 25 feet to any...

Page 6: ...CLUDED Engine 35cc gas Cut off excess B Apply epoxy glue Apply threadlocker screw cement C A Apply instant glue C A glue super glue Cut off shaded portion carefully Assemble left and right sides the s...

Page 7: ...ton Head Cap Screw 2 1 3mm Flat Washer 2 6x75mm Push rod 1 Ball link 2 1 3x25mm Socket Head Cap Screw 3mm Lock nut 1 6 44mm Pinned Hinge 5 44mm Pinned Hinge 1 1 Horn 3x12mm Button Head Cap Screw 2 1 3...

Page 8: ...GT SERVO Two Options Servo Option 1 Sport Performance Hitec 7985MG Servos may be used for sport flying 5 Hitec 7985MG Servos for flight surfaces 1 Hitec 5625MG Servo for throttle Servo Option 2 Unlimi...

Page 9: ...ill pilot holes through the block of wood for each of the four mounting screws provided with the servo 4 Using the thread as a guide and using masking tape tape the servo lead to the end of the thread...

Page 10: ...endicular to the servo and point toward the middle of the wing 4 Center the aileron and hold it in place using a couple of pieces of masking tape Adjust the linkage until the aileron and the servo arm...

Page 11: ...SBACH 342 Item code BH174A Instruction Manual 11 3x35mm Socket Head Cap Screw x2 3x16mm Button Head Cap Screw 3x12mm Button Head Cap Screw 3mm Flat Washer x2 Bottom View...

Page 12: ...ING THE MAIN LANDING GEAR 85mm 4x12mm Socket Head Cap Screw 4 4 2 4mm Flat Washer 2 4mm Lock Nut 5mm Hex Nut 5x10mm Plastic Collar 2 2 5x50mm Socket Head Cap Screw 4 3x10mm Socket Head Cap Screw 4 4x2...

Page 13: ...H174A Instruction Manual 13 85mm Wheel 5mm Hex Nut 5x50mm Socket Head Cap Screw 5mm Flat Washer 5mm Plastic Collar 5mm Flat Washer 5mm Lock Nut Main gear 5mm Flat Washer Bottom view Top view Out view...

Page 14: ...SBACH 342 Item code BH174A Instruction Manual 85mm Wheel 3 x 10mm Socket Head Cap Screw 14 103mm 18mm Wheel Pant 4 2mm Bottom View...

Page 15: ...SBACH 342 Item code BH174A Instruction Manual 15 4x20mm Socket Head Cap Screw 4mm Spring Washer 4mm Flat Washer 4mm Flat Washer 4mm Lock Nut Bottom View...

Page 16: ...342 Item code BH174A Instruction Manual 16 Top View Attach the wings to the fuselage and secure the wing panels SECURE THE WING TO THE FULSELAGE 6 x 25mm 6 x 25mm Plastic Screw 20x75mm Carbon fiber t...

Page 17: ...te epoxy Apply a thin layer to the bottom and to the top of the stabilizer mounting area and to the stabilizer mounting platform sides in the fuselage Insert the stabilizer in place and re align Doubl...

Page 18: ...SBACH 342 Item code BH174A Instruction Manual Make certain plane is aligned accurately per the diagram A mis aligned plane can fly erraticaliy and cause accidents Warning 18 Top view B 6...

Page 19: ...SBACH 342 Item code BH174A Instruction Manual 19...

Page 20: ...3x12mm Button Head Cap Screw 3x25mm Socket Head Cap Screw 3x12mm Button Head Cap Screw 3mm Flat Washer 2 6 x 75mm Aluminium ball Aluminium ball 1 1 Horn 3x12mm Button Head Cap Screw 2 1 3mm Flat Washe...

Page 21: ...Manual 21 Top view 90 Degree INSTALLING THE RUDDER SERVO INSTALLING THE RUDDER 5 5 44mm Pinned Hinge 1 1 Horn 3x12mm Button Head Cap Screw 2 1 3mm Flat Washer 2 6x45mm Push rod 1 Ball link 2 1 3x40mm...

Page 22: ...SBACH 342 Item code BH174A Instruction Manual 22 3x12mm Button Head Cap Screw 3x40mm Socket Head Cap Screw 3mm Flat Washer 3x12mm Button Head Cap Screw 2 6 x 7 5 m m Aluminium ball Top view...

Page 23: ...WHEEL 23 3x16mm Button Head Cap Screw 3mm Flat Washer 3mm Flat Washer 3mm Lock Nut 3 2 1 1 1 1 3x16mm Button Head Cap Screw 3x15mm Tp Screw 3mm Spring Washer Spring 2 2 1 3x8mm Button Head Cap Screw...

Page 24: ...SBACH 342 Item code BH174A Instruction Manual 24 3x16mm Button Head Cap Screw 3mm Spring Washer 3x15mm Tp Screw 3x25mm Socket Head Cap Screw 3mm Lock Nut...

Page 25: ...SBACH 342 Item code BH174A Instruction Manual 25 3x8mm Button Head Cap Screw Spring x2...

Page 26: ...38CC GP 38cc INSTALLING THE ENGINE OR DA 35cc Throttle Lever GP 38cc Throttle Lever May be you also need to trim some wood from the tri angle wood for the installation is easy Plate of plywood Throttl...

Page 27: ...35CC 12 x 60mm 5x90mm Socket Head Cap Screw 5mm Flat Washer 5mm Spring Washer 5mm Lock Nut 5mm Flat Washer 16x5mm Plastic Washer 5mm Flat washer 4 5mm Flat washer 4 5mm Lock Nut 4 4 5x100mm Socket Hea...

Page 28: ...SBACH 342 Item code BH174A Instruction Manual 28 Rubber Aluminium Aluminium 30mm Screw 160mm INSTALLING THE STOPPER...

Page 29: ...sure none of it falls into the tank 5 When satisfied with the alignment of the stopper assembly tighten the 3mm x 20mm machine screw until the rubber stopper expands and seals the tank opening Do not...

Page 30: ...dle to full throttle the throttle barrel should also open and close using this motion If not reverse the direction of the servo using the transmitter Clunks 1 1 Fuel Tank INSTALLING THE THROTTLE 2mm 2...

Page 31: ...d be positioned so the crankshaft is in the middle of the precut opening Hold the cowl firmly in place using several pieces of masking tape Enlarging the holes through the cowl will prevent the fiberg...

Page 32: ...SBACH 342 Item code BH174A Instruction Manual 32 247mm 205mm 224mm 8 8 m m 4mm Flat washer 4 4 4x16mm Socket Head Cap Screw 4mm Spring Washer 4...

Page 33: ...SBACH 342 Item code BH174A Instruction Manual 33 4mm Flat Washer 4x16mm Socket Head Cap Screw 4mm Spring Washer 4 2mm Bottom view 4mm Flat Washer 4x16mm Socket Head Cap Screw 4mm Spring Washer...

Page 34: ...te propeller and spinner cone The propeller should not touch any part of the spinner cone If it dose use a sharp modeling knife and carefully trim away the spinner cone where the propeller comes in co...

Page 35: ...SBACH 342 Item code BH174A Instruction Manual 35 3 x12 mm Tp Screw...

Page 36: ...switch lead into the receiver You may want to plug an aileron extension into the receiver to make plugging in the aileron servo lead easier when you are installing the wing Plug the battery pack lead...

Page 37: ...4A Instruction Manual 10 x 20mm 4 mm Spring Washer 4mm Flat Washer 4x60mm Socket Head Cap Screw 37 16 x 5mm Flat Washer 16 x 5mm Rubber Washer 12 x 60mm 5 mm Spring Washer 5mm Washer 5x90mm Socket Hea...

Page 38: ...SBACH 342 Item code BH174A Instruction Manual 38 ESC When rotating clock wise change the connection of 2 wires...

Page 39: ...ion the canopy so the rear frame on the canopy is aligned with the rear edge of the cockpit opening Use canopy glue to secure the canopy to the canopy hatch Use low tack tape to hold the canopy in pos...

Page 40: ...ly Improper balance will cause your plane to lose control and crash THE CENTER OF GRAVITY IS LOCATED 160 165mm 6 3 6 5 in BACK FROM THE LEADING EDGE OF THE WING AT THE FUSELAGE BALANCE A PLANE UPSIDE...

Page 41: ...SBACH 342 Item code BH174A Instruction Manual 41 6 x 25mm Plastic Screw Plate of plywood 2 2 6mm CG 174 160 165 mm 6 3 6 5 in...

Page 42: ...d 2 The control throws should be measured at the widest point of each control surface 3 Check to be sure the control surfaces move in the correct directions Ailerons 15 mm up 15 mm down Elevator 12 mm...

Page 43: ...connection For more information refer to radio system instruction manual Follow instruction manual of Engine and Battery Switch Receiver Engine Throttle Servo Battery Receiver Rudder Elevator Servo E...

Page 44: ...SBACH 342 Item code BH174A Instruction Manual 44 MAIN GEAR DIMENSIONAL DETAIL 19 0 12 0 17 5 49 1 25 0 9 0 3 2 2 0 25 0 2 0 TAIL GEAR DIMENSIONAL DETAIL 38 7 19 7...

Page 45: ...struction Manual 45 DECORATION ORACCOVER Side view Left Side view Right 21 071 Black 21 023 Ferri Red 21 010 White 1 1 2 3 4 4 5 5 6 6 7 8 7 8 10 17 17 17 18 18 12 13 13 14 14 15 16 16 11 12 11 15 9 1...

Page 46: ...m 3x12mm 3mm 3x25mm 3x35mm EXPLODED VIEW 3x12mm OS 33 CC DL E 35 CC 6mm C G C G 4x20mm 4x20mm 4x30mm 4mm 4mm 5mm 5mm 85mm 85mm 3x8mm 3x8mm 10 x 40mm 5mm M4 Blind Nut 4 mm Spring Washer 4mm Washer 4 x...

Page 47: ...t up areas DO NOT dispose of empty fuel containers on a fire this can lead to an explosion NEVER fly in wet conditions or on windy or stormy days NEVER use damaged or deformed propellers or spinners T...

Page 48: ...del lands at the slowest possible speed Switch on the transmitter OFF ON OFF ON Check that the wings are correctly fitted to the fuselage If the model does not respond correctly to the controls land i...

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