Fuji Imvac BT-32EIS User manual

Operator’s Manual for BT-32EIS
SPECIFICATIONS
Displacement: 1.95 cu in [34cc]
Horsepower: 2.2 hp @ 10,000 rpm
Ignition Style: Electronic Ignition
RPM: 1,200 – 10,000 rpm
Fuel: Gas/2-cycle engine oil
Weight w/Muffler: 3.6 lb, [1.7 kg]
Manufactured by FUJI-IMVAC INC.
YOKOHAMA, 235-0005 JAPAN
Worldwide Distributor (except Japan): Hobbico, Inc.
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.
·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.
·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.
FJIZ1205 for FJIG0132 V2Entire Contents © Copyright 2009
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·Do not use silicone fuel line because it will be attacked by the fuel. Use vinyl or
neoprene rubber fuel line.
·Always secure the fuel line away from the cylinder head. The engine’s heat can
damage the fuel line.
·Never touch the engine after a run. The engine will be hot and it may burn you.
·Before transporting your model, remove all the fuel from the fuel tank and fuel lines.
·Always use high-quality oil intended for 2-stroke engines.
·Use only low-octane, alcohol-free gasoline. The carburetor diaphragm will
gradually deteriorate if you use gasoline with alcohol (ethanol, gasohol, etc.).
You will need to replace the diaphragm in about 80 hours of operation if you use
gasoline with alcohol.
·Muffler pressure to the fuel tank is not required.
·Do not install your throttle servo or kill switch servo inside the engine compartment.
Doing so could cause radio interference. Install all electronic radio devices at least
305mm [12"] away from the engine. The throttle pushrod should be non-metallic.
·If the engine is not to be used for more than a month, drain the fuel tank and
remove any fuel from inside the carburetor. Do this by running the engine at idle
until it quits by running out of fuel. Keeping gasoline inside the carburetor over
an extended period of time will damage the diaphragm valve and clog passages
inside the carburetor.
·Because the carburetor is more complicated than those used in glow engines,
keep the fuel clean by using a fuel filter. Use a filter intended to be used with
gasoline engines. Metal filters intended for glow engines are too coarse and will
not screen out finer particles. Always filter your fuel by using an appropriate filter
before putting it into the airplane’s fuel tank.
·If you intend to run this engine on an engine stand, or on any other rigid mount,
use rubber mounts. The crankcase and other parts of the engine may crack if
you do not provide some kind of vibration absorption mechanism. A rubber
mount is not necessary if the engine is mounted on a model airplane.
·Do not operate the engine in a closed room or where ventilation is not adequate.
·Gasoline is extremely flammable. Keep it away from an open flame, excessive
heat or sources of sparks. Do not smoke near the engine or the fuel tank.
·This engine was designed for use in a model aircraft. Do not attempt to use it
for any other purpose.
·Always install a kill switch that can be operated both manually and with the R/C
transmitter.
PARTS LIST
BT-32 EIS Engine w/Muffler
EIS Ignition Module
Propeller Flange with Propeller Washer
Propeller Bolt
Friction Ring
Right Engine Mount
Left Engine Mount
(4) 5 x 12mm SHCS with Lock
Washers and Flat Washers
(4) 5 x 22mm SHCS with Lock
Washers and Flat Washers
Spark Plug Wrench
4mm Allen Wrench
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FEATURES
·Automatic Ignition Timing: The BT-32EIS features an electronic ignition system
that advances the ignition timing as the engine rpm increases. This ensures a
delayed ignition timing at low rpm for easy starts and good low-end engine
performance, and advanced timing at high rpm for good high-end power.
·The ignition module is waterproof and vibration proof.
·The ignition module runs on any 4.8V battery. The current consumption is
approximately 188mAh.
·An optional Digital Tachometer (FJIP9920) is available to monitor rpm and
ignition battery voltage.
SPARK PLUG
The recommended spark plug is a Champion RCJ-6Y or 7Y. To avoid improper
operation or possible engine damage, do not use any other type of spark plugs.
The plug gap should be 0.4mm to 0.6mm [0.016" to 0.024"]. If the plug gap is
incorrect, adjust it with a spark plug gapping tool, wash it with gasoline and allow
it to dry completely before you reinstall the plug in the engine.
Note: If you want to check if the spark plug works, remove the spark plug from
the engine, connect it to the coil and make sure the metallic threaded end of the
spark plug touches the engine. Spin the propeller rapidly through top dead center
and check for a spark. This procedure only works in a dark room as there is too
much light outside to see the spark.
The various spark plug manufacturers have much information on their web sites
regarding spark plug performance and health. For more information, check:
http://www.championsparkplugs.com/sparkplug411.asp
PROPELLER
Always use a well-balanced, high-quality propeller.
The recommended propellers are:
High Performance Wood Prop: 18" x 8"
16" x 12"
Carbon Prop: 18" x 10"
During our tests, our BT-32EIS turned a Bolly 18" x 10" carbon prop at 7700 rpm.
The Fuji-Imvac engine was new with 90 minutes of breaking in.The test conditions
were: Temperature 10°C [50°F], humidity 40%, elevation at sea level. Performance
may vary depending on atmospheric conditions.
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OIL
Fuji-Imvac engines has developed a special oil, Super Lube Oil (FJIP9910 – 250cc),
to work with their engines. This oil is of extremely high quality and it has exceptional
lubricating properties. This oil can be mixed with gasoline at much higher ratios than
other engine oils which allows the engine to develop more horsepower and last longer.
It is recommended that you use Fuji-Imvac Engine oil with all your Fuji-Imvac engines.
Break-in procedures are slightly different than those when using standard oils. Please
refer to the table below for oil contents. Fuji-Imvac Oil is available from your Fuji-Imvac
distributor or hobby shop.
·Break-in (Stage 1): 1 gallon of gasoline with 50:1 (2%) oil content.
·Break-in (Stage 2): 1 gallon of gasoline with 100:1 (1%) oil content.
·Normal running: In un-cowled or well-cooled installations 150:1 (0.65%) oil
content.
·In-cowled or not-so-good cooling installations 100:1 (1%) oil content.
·Do not try to use these engine oil ratios with any other brand of oil other than
the Fuji-Imvac oil.
·Do not use the Fuji-Imvac 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 oil.
If Fuji-Imvac oil is not available, or if you prefer to use a different brand of oil, use
the standard fuel/oil ratios as shown below. Never experiment with cheap oil or
with obscure brand names. Be certain to select only high-quality oil that is
intended for use in gasoline R/C model airplane engines.
·Break-in: 1 gallon of gasoline with 25:1 (4%) oil content.
·Normal running: 40:1 (2.5%) oil content.
PREPARE THE ENGINE
1. Check to see that all screws and bolts are tight. Check carefully for any cracks,
broken or missing parts. Tighten or replace before proceeding.
2. Install the prop shaft on the flywheel using three
5 x 22mm [3/16" x 7/8"] SHCS with lock washers
and flat washers. Use threadlocking compound on
the screws.
3. Install the engine mounts on the engine using four
5 x 12mm [3/16" x 15/32"] SHCS.
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4. Secure the ignition
control module ground
wire to the engine using
one of the 5 x 22mm
[3/16" x 7/8"] SHCS.
5. Connect the ignition control module to the pick up sensor. The connector is
polarized and will only plug in one way.
6. Connect a kill switch to the ignition control module. It is recommended to
install a manual switch and a servo operated switch. This can be accomplished
using two receiver On/Off switches.
7. Connect the ignition module battery. Any 4.8V, 500mAh and above battery will
work well for this. The approximate current consumption of the ignition switch
module is 188mAh.
INSTALLING THE FUJI-IMVAC BT-32EIS ON YOUR AIRPLANE
Note: The Fuji-Imvac BT-32EIS must be installed on a 9mm [3/8"] lite-ply firewall or
on a 6.4mm [1/4"] birch ply 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-32EIS onto a firewall thinner
than specified because it may fail due to the power of the engine.
Note: The length of the engine from the back on the engine mount to the propeller
washer is 166mm [6.5"] when using the stock (62.5mm [2.46"]) prop flange.
1. Use the supplied mounting template (on the back cover of this manual) to drill the
engine mounting bolt holes and the necessary clearance hole on the firewall.
2. Install the engine on the firewall using four 6.4 x 19mm or [10-24" x 3/4"] socket
head cap screws, four #10 flat or lock washers and four #10 blind nuts. Use
some threadlocking compound, such as Great Planes®Pro™Threadlocker.
3. Install a manual and radio operated kill switch (GPMG2150). Install a kill switch
servo at least 305mm [12"] away from the engine.
4. Install the throttle servo at least 305mm [12"] away from the engine. Make sure
that you get the carburetor’s full range of rotation with your servo travel.
5. Install the ignition module securely in the airplane forward area. It is
recommended that a thin piece of foam rubber be placed between the module
and the mounting surface and that rubber bands are used to hold the module
in place. 4mm [5/32"] screws and washers can also be used to secure it in
place, but soft mounting the module is always the best choice.
6. Secure all connections with shrink tubing.
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7. Cut all necessary clearance and cooling holes in the cowl.
8. Make sure the cowl is secured to the airplane and that the spinner to cowl
clearance is at least 3mm [1/8"].
BREAK IN THE ENGINE
·The break-in procedures for your engine will vary depending on the type of
engine oil you will use. Please refer to the “Oil” section for fuel/oil mixture ratios
and break-in times.
·Do not adjust the high-speed needle on the carburetor to break in the engine. If you
do so, carbon will accumulate in the spark plug and that will make ignition difficult.
·Do not run at full power for extended periods of time while breaking in your 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-32EIS while flying your
airplane. Just make sure you observe all recommendations above.
STARTING PROCEDURES
There are three recommended ways to start the Fuji-Imvac BT-32EIS:
A. Manual Starting:
Note: Use a thick glove to protect your hand while hand-starting the Fuji-Imvac
BT-32EIS.
1. The propeller should be installed on the prop spacer so that it is comfortable for you
to flip it through compression.You also need to position it in a way that when you flip
the propeller, the magnets are 20° clockwise from the magnet pick up.
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 10 to 20 times (more in winter) until fuel begins to
be drawn into the carburetor. Another way to prime the engine is to rotate the prop
clockwise from bottom dead center to top dead center (compression) and then
counterclockwise back to bottom dead center repeatedly.
5. Switch the ignition to ON.
6. Flip the propeller clockwise several times briskly.
7. After you hear some initial firing sounds, move the choke lever to the
OPEN position.
8. Set the throttle to a high idle. Set the prop so that the magnets are 20° clockwise
from the magnet pick up when viewed from the front.
9. Flip the prop through compression rapidly. If this is done properly, the engine
will start between the first and the eighth flip of the prop. During our testing,
starting took an average of 3-4 flips.
10.After starting, let the engine idle for two to three minutes. Open and close the
throttle slowly until the engine runs smoothly at idle and at full throttle.
Acceleration should also be smooth.
11. If your engine does not start, repeat the procedure.
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B. Electric Starter Starting:
1. Make sure you use a good quality, lightweight aluminum spinner.
2. Have someone help you hold the airplane while you start it.
3. Make sure the ignition is OFF, close the choke plate on the carburetor and open
the throttle slightly from the idle position.
4. Use your electric starter to turn the engine over for several seconds.
5. Switch the ignition to ON and open the choke.
6. Set the throttle to high idle and use your electric starter to turn over the engine
until it starts.
7. After starting, let the engine idle for two to three minutes. Open and close the
throttle slowly until the engine runs smoothly at idle and at full throttle.
Acceleration should also be smooth.
8. If your engine does not start, repeat the procedure.
C. Spring Starting:
1. Have someone help you hold the airplane while you start it.
2. With the ignition OFF, close the choke plate on the carburetor and open the
throttle slightly from the idle position.
3. Rotate the propeller slowly about 10 to 20 times (more in winter) until fuel begins
to be drawn into the carburetor. Another way to prime the engine is to rotate the
prop clockwise from bottom dead center to top dead center (compression) and
then counterclockwise back to bottom dead center repeatedly.
4. Turn the ignition switch to the ON position.
5. Hold the propeller, turn it 360° clockwise (one full turn) and let it go (move hand
quickly away from the propeller arc).
6. After you hear some initial firing sounds, move the choke to the OPEN position.
7. Repeat Step 5 until your engine starts.
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.
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A. Normal high- and low-speed needle settings:
It is not necessary to change the needle settings if the engine runs smoothly.
Normally only the “H” needle will need adjustment from time to time and only by
a small amount.
H: Open the needle 3/4 of a turn from the closed position (±1/4 of a turn in winter).
L: Open the needle 1-3/8 turns from the closed position (±1/4 of a turn in winter).
Only adjust the high- and low-speed needle within the above range.
B. Idle adjustment:
Note: Do not confuse the idle screw with the low-speed needle “L”. The idle screw
physically adjusts how much the carburetor valve can close. The low-speed needle
“L” adjusts the gasoline-to-air mixture when the engine is running at low rpm. If your
engine appears to work correctly except that the low rpm are not as low as you
want them to be, then adjust the idle screw. If your engine behaves erratically at
low rpm, then adjust the low-speed needle “L”. When adjusting, turn the screw
about 1/8 of a turn each time. A dirty plug will make it difficult to adjust the idle rpm.
Follow the recommended procedures if any of the following happens:
Problem:
1. The engine hesitates when accelerated rapidly.
2. The rpm increases at idling.
3. The engine stops when the throttle is moved from high to low.
Solution:
Your low-speed needle “L” is too lean. Open it up 1/8 turn and try again.
Problem:
The idle is not steady.
Solution:
Your low-speed needle “L” valve is too rich. Close it 1/8 turn and try again.
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C. High-speed Adjustment:
The high-speed rpm and transition performance is adjusted with the high-speed
“H” needle valve. When adjusting, turn the screw about 1/8 of a turn each time.
The position of the “H” needle will vary according to air temperature and field
elevation. If your engine is running smoothly, then do not adjust this needle valve.
Follow the recommended procedures if any of the following happens:
Problem:
1. Engine stops at full throttle.
2. Engine hesitates when accelerated rapidly.
3. The engine will not come up to full rpm at full throttle.
Solution:
Your high-speed needle valve “H” is too lean. Open it 1/8 turn and try again.
Problem:
1. Your engine does not reach full rpm.
2. Carbon build-ups appear consistently on your spark plug.
Solution:
Your high-speed needle valve “H” is too rich. Close it 1/8 turn and try again.
3-Year Limited Warranty For USA and Canada
Fuji-Imvac 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 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).
• This warranty does not cover damage caused by crash, abuse, misuse, alteration or accident. Damage caused by
customer disassembly, tampering, use of substandard fuel, use of incorrect accessories (spark plug, prop, etc.) or
any use of the engine for which it is not specifically intended will automatically void the warranty of the engine. If
there is damage resulting from these causes within the stated warranty period, Fuji-Imvac will, at its option, repair
or replace it for a service charge not greater than 50% of the current retail list price. Be sure to include your daytime
telephone number and e-mail address in case we need to contact you about your repair.
• Under no circumstances will the purchaser be entitled to consequential or incidental damages. This warranty gives
you specific legal rights and you may also have other rights, which vary from state to state.
• If you attempt to disassemble or repair this unit yourself, it may void the warranty.
For service on your Fuji-Imvac product, either in or out of warranty, send it post paid and insured to:
Hobby Services
3002 N. Apollo Dr., Suite 1
Champaign, IL 61822 USA
[phone]
www.hobbyservices.com
Along with your engine and proof of purchase date, please include a complete written explanation detailing the
problem(s). State your name and address clearly. For repairs not covered under warranty, you must specify whether
you wish the charges to be billed COD or if you wish to be notified of the charges so you can send a check.
Outside USA and Canada, contact local importer for warranty information.
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REPLACEMENT PARTS
To order replacement parts for the Fuji-Imvac BT-32EIS, 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
click on “Where to Buy.”
CYLINDER/PISTON/CRANKSHAFT
Key # Description Stock #
2 Spark Plug RCJ-6Y............................................................FJIG7470
6 Cylinder Set .......................................................................FJIG4380
7 Hex Bolt 5x18mm/S (4)......................................................FJIG8290
9 Cylinder Gasket .................................................................FJIG4290
10 Piston Ring (2) ...................................................................FJIG6600
11 Piston Set...........................................................................FJIG6360
12 Piston Pin...........................................................................FJIG6420
13 Piston Pin Retainer (2).......................................................FJIG6510
16 Crankshaft Complete .........................................................FJIG4020
17 Needle Bearing F-910 1.4x8.5mm.....................................FJIG6150
18 Woodruff Key 3x13x4.5mm................................................FJIG7660
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CRANKCASE
Key # Description Stock #
19 Shim 0.1.............................................................................FJIG7320
19 Shim 0.2.............................................................................FJIG7350
19 Shim 0.3.............................................................................FJIG7380
21 Flywheel Nut 12mm ...........................................................FJIG4740
23 Washer 7mm......................................................................FJIG8770
24 Rotor Complete..................................................................FJIG5690
25 Sensor Unit ........................................................................FJIG1003
30 Collar A 16L (2)..................................................................FJIG3580
32 Flat Head Hex Screw 5x40mm (2).....................................FJIG8389
33 Hex Head Button Screw 5x12mm (2) ................................FJIG8255
34 Sensor Fixing Plate BT-32EIS............................................FJIG3465
36 Hex Bolt 5x20mm/S ...........................................................FJIG8300
41 Crankcase Assembly BT-32EIS .........................................FJIG3875
42 Oil Seal TB 12227 (2) ........................................................FJIG6300
43 Crankcase Gasket..............................................................FJIG3930
44 Ball Bearing 6201 A2C3 32mm/OD (2) .............................FJIG3060
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ENGINE/MUFFLER
Key # Description Stock #
25 Small Washer 5mm (2) ......................................................FJIG8605
26 Hex Bolt 5x40mm (2) .........................................................FJIG8325
27 Washer 5mm (2) ................................................................FJIG8750
28 Muffler Set..........................................................................FJIG6000
29 Muffler Body B ...................................................................FJIG5850
30 Muffler Pipe........................................................................FJIG6060
31 Muffler Joint Gasket ...........................................................FJIG5970
32 Muffler Body A Complete...................................................FJIG5820
33 Muffler Gasket....................................................................FJIG3280
45 Carburetor Set WT690.......................................................FJIG3290
46 Carburetor Gasket..............................................................FJIG3120
48 Inlet Manifold Gasket .........................................................FJIG5370
50 Carburetor Insulator Set.....................................................FJIG3180
51 Hex Bolt 4x18WS (2) .........................................................FJIG8220
71 Small Washer 5mm (2) ......................................................FJIG8605
72 Small Washer 2.4mm (2) ...................................................FJIG8645
73 Hex Bolt 5x45mm (2) .........................................................FJIG8325
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CARBURETOR
Key # Description Stock #
C2 Inlet Screen........................................................................FJIG5460
C3 Pump Body ........................................................................FJIG6930
C4 Set Screw...........................................................................FJIG7170
C5 Pump Gasket .....................................................................FJIG7080
C6 Pump Diaphragm ...............................................................FJIG7020
C7 Low Adjustment Screw ......................................................FJIG5590
C8 High/Low Adjustment Spring..............................................FJIG5070
C9 Valve Hinge........................................................................FJIG7540
C10 Hinge Pin Set Screw..........................................................FJIG5130
C11 Valve Spring.......................................................................FJIG8525
C12 Hinge Pin ...........................................................................FJIG5100
C13 Diaphragm Cover ...............................................................FJIG4530
C14 Metering Diaphragm Complete..........................................FJIG5760
C15 Diaphragm Gasket .............................................................FJIG4620
C16 Needle Valve ......................................................................FJIG6240
C21 Idle Adjustment Spring.......................................................FJIG5250
C22 Idle Adjustment Screw .......................................................FJIG5190
C23 High Adjustment Screw......................................................FJIG4950
C24 High Adjustment Spring .....................................................FJIG5040
C25 Set Screw (4) .....................................................................FJIG7200
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MISCELLANEOUS
Key # Description Stock #
1 Clutch Washer B ................................................................FJIG6810
3 Hex Bolt 5x22mmWS (4) ...................................................FJIG8310
4 Hex Bolt 5x12mmS (5).......................................................FJIG8250
5 Combination Box Wrench 10x19mm .................................FJIG3690
6 Engine Mount A .................................................................FJIG4680
7 Engine Mount B .................................................................FJIG4710
8 Propeller Fixing Bolt...........................................................FJIG8110
9 Propeller Flange 62.5mm...................................................FJIG6730
10 Hex Wrench 4mm ..............................................................FJIG4920
15 EIS Control Unit .................................................................FJIG1001
18 Small Grip Washer 36051..................................................FJIG8530
14

94mm
108mm
56mm 84mm
40mm
40mm
19mm
115mm
40mm
182mm
63mm
75mm
154mm
190mm
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ENGINE MEASUREMENTS