Fuji Imvac BT-43EIS Operator's Manual

Fuji Imvac BT-43EIS Operator's Manual

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SPECIFICATIONS
Displacement:
Horsepower:
Ignition Style:
RPM:
Fuel:
Weight:
Worldwide Distributor
·
Always use a balanced spinner and a balanced prop. An unbalanced spinner
and prop combination will cause high levels of vibration and may cause the
propeller shaft to break.
·
Always use a lightweight spinner on your engine. Lightweight spinners are
considered to be those with a cone wall of 1mm or less. Heavy spinners could
cause the propeller shaft to break.
·
Securely tighten the spinner and prop on the engine to prevent it from being thrown
off the engine while running. Use the high-grip prop washer behind the prop.
·
Never use a prop that has hit the ground. Even though it may look good from
the outside, it may be cracked on the inside which may cause it to disintegrate
while in use. Do not use a nicked, cracked or split propeller.
·
Keep foreign objects away from the propeller. Make sure that nothing can be
"sucked in" by the propeller. Never start the engine on loose gravel or sand.
·
Keep onlookers away from the running engine, especially small children.
·
Do not attempt to stop the engine by throwing anything into the path of the propeller.
·
Make sure the fuel line is well-secured to the engine and to the fuel tank so that
it won't come off in flight.
Operator's Manual for BT-43EIS
43cc [2.6ci]
4.2 hp / 11,000 rpm
Electronic Ignition
1,200 – 11,000 rpm
Gas/2-cycle Engine Oil
Approximately 1820g w/
Muffler [4lb]
Manufactured by FUJI-IMVAC INC.
YOKOHAMA, 235-0005 JAPAN
Champaign, IL 61826 USA
www.fuji-imvac.com
Fuji-Imvac is not related to the original Fuji Engines sold by Mecoa.
SAFETY TIPS AND WARNINGS
: Hobbico, Inc.
(except Japan)

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Summary of Contents for Fuji Imvac BT-43EIS

  • Page 1 : Hobbico, Inc. (except Japan) Champaign, IL 61826 USA www.fuji-imvac.com Fuji-Imvac is not related to the original Fuji Engines sold by Mecoa. SAFETY TIPS AND WARNINGS · Always use a balanced spinner and a balanced prop. An unbalanced spinner and prop combination will cause high levels of vibration and may cause the propeller shaft to break.
  • Page 2: Parts List

    32.5 mm EIS Propeller Flange with (2) 5 x 45mm Muffler SHCS Propeller Washer (4) 5 x 25mm SHCS w/Lock Washers 8mm Propeller Bolt Spark Plug Wrench 8mm Propeller Bolt Washer 4mm Allen Wrench 8mm High-Grip Propeller Washer Fuji-Imvac EIS Engines Decal...
  • Page 3: Spark Plug

    20" x 8", 18" x 10", 22" x 6" High Performance Wood or Composite Prop During our tests, our Fuji-Imvac BT-43EIS turned an APC 20" x 8" composite prop at 8000 rpm which translates to roughly 23 lb of static thrust.The engine was new with 60 minutes of breaking in.
  • Page 4: Prepare The Engine

    Do not use the Fuji-Imvac Engines oil with any other brand of engines. · If you have been running the engine on other oil and wish to switch to Fuji-Imvac oil, follow the break-in procedure for Fuji-Imvac Engines oil. If Fuji-Imvac Engines oil is not available, or if you prefer to use a different brand of oil, use the standard fuel/oil ratios as shown below.
  • Page 5 188mAh. INSTALLING THE FUJI-IMVAC BT-43EIS ON YOUR AIRPLANE Note: The Fuji-Imvac BT-43EIS must be installed on a 9.5mm [3/8"] firewall. The firewall must be securely glued to the airplane. Use triangle stock and pin the firewall with hardwood dowels to reinforce the firewall glue joints. Never install the Fuji-Imvac BT-43EIS onto a firewall thinner than specified because it may fail due to the power of the engine.
  • Page 6: Break In The Engine

    Make sure that the engine has adequate cooling. While breaking in, the engine may run at slightly higher temperatures. · If you wish to do so, you can break in your Fuji-Imvac BT-43EIS while flying your airplane. Just make sure you observe all recommendations above. STARTING PROCEDURES There are two recommended ways to start the Fuji-Imvac BT-43EIS: A.
  • Page 7 2. Have someone help you hold the airplane while you start the engine. 3. Make sure the ignition is OFF, close the choke on the carburetor and open the throttle slightly from the idle position. 4. Rotate the propeller slowly about 4 to 8 times (more in winter) until fuel begins to be drawn into the carburetor.
  • Page 8: Engine Adjustments

    ENGINE ADJUSTMENTS · Always make high- and low-speed needle adjustments with the engine shut off. Also make sure the ignition is OFF. · Adjust the needle marked “H” for high-speed RPM. Adjust the needle marked “L” for low-speed RPM. A. Normal high- and low-speed needle settings: It is not necessary to change the needle settings if the engine runs smoothly.
  • Page 9 Fuji-Imvac Engines warrants this product to be free from defects in materials and workmanship for a period of three (3) years from the date of purchase. During that period, Fuji-Imvac Engines will, at its option, repair or replace without service charge any product deemed defective due to those causes. You will be required to provide proof of purchase date (receipt or invoice).
  • Page 10: Replacement Parts

    REPLACEMENT PARTS To order replacement parts for the Fuji-Imvac BT-43EIS, use the order numbers in the Replacement Parts Lists that follow. Replacement parts are available only as listed. Replacement parts are not available from Product Support, but can be purchased from hobby shops or mail order/Internet order firms. If you need assistance locating a dealer to purchase parts, visit www.greatplanes.com and...
  • Page 11 ENGINE PARTS LIST Key # Part No. Description 40..FJIG8340 ......Hex Bolt 5x50 8...FJIG7470 ....Spark Plug RCJ-6Y 45..FJIG3295 ......Carburetor Set 11..FJIG4400 ......Cylinder Set 46..FJIG7640 ......Velocity Stack 12..FJIG8290 .......Hex Bolt 5x18/S 47..FJIG8255 ...Hex Button Screw 5x12 13..FJIG3820 .......Connecting Rod 51..FJIG5680 .......
  • Page 12: Optional Accessories

    14..FJIG8050 ...... Spinner Bolt ... FJIG8535 ...Grip Washer 48mm OPTIONAL ACCESSORIES FJIG9920 ..Digital Tachometer FJIG7677 ..Optional Prop Flange 17.5mm [11/16"] FJIG7679 ..Included Prop Flange 32.5mm [1-1/4"] FJIG7687 ..Optional Prop Flange 40mm [1-9/16"] FJIP9910 ..Fuji-Imvac Oil (250cc)
  • Page 13: Engine Measurements

    ENGINE MEASUREMENTS 100.49mm 72.86mm 45mm R25.5mm 90mm 104mm 124mm 88mm 157mm 32.5mm 171mm...
  • Page 14 The EIS controller box is completely sealed, protecting the internal components from heat, vibration and moisture. Of course, with the BT-64EIS you’ll also enjoy all the traditional benefits of Fuji-Imvac power: a Walbro carb, direct linkage throttle setup, insulating plate, regulating pump and...
  • Page 16 5mm [10-32] Engine Bolt Holes Entire Contents © Copyright 2009 FJIZ1200 for FJIG0143 V1.1...

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