OFNA Racing Mutilator Power Start User Manual
VER. 12-04-2008
MUST READ THIS BEFORE RUNNING
Running a nitro kit is fun and easy, but to make this a safe • Clean oil and dirt from chassis with a degreaser.
and good experience you must observe a few rules. This
kit is extremely fast, easily over 40MPH, and can seriously
injure someone if you are not careful.
Where to run car?
• Any running area you choose must be dry. Do not run
car near any water or wet dirt.
• Do not run on public streets. It is very easy to have the
car run over or damaged by hitting the curb.
• Do not operate car in tight confined places. The car is
very fast and will easily hit something.
• Do not run near people or animals.
and will too easily hit someone.
• Due noise, you will want to consider the surrounding
area when operating the car.
• Do not operate the car at night. You will not be able to
drive it without hitting something.
• Do not operate the car indoors. Engine exhaust is not
healthy.
Glow Fuel
• Glow fuel is poisonous!
• Glow fuel is flammable! label for additional precautions.
• Do not leave fuel bottle with lid off at any time.
• Do not use any fuel other than glow fuel in this engine. • Car Fuel tank - Never store fuel in car tank, it will ruin the
First Time Starting the Engine
Caution! When starting engine make sure the following is
observed.
• Set engine Master needle to 3 turns (rich setting) • DAMAGE DUE TO CAR RUN AWAY IS NOT A
• Do not do this alone, get an experienced friend to help at
first.
• Fill fuel tank, try not to spill fuel. Do not spill fuel on
receiver
• Hold car off the ground, so it will not runaway when first
starts
• Turn on Radio and check the linkage before starting
engine.
• Turn on car receiver battery switch.
• Always have an air filter on the carburetor to keep dirt
out.
The car is very fast
Precautions
• This kit is not a toy. Always run car with a second
person as a spotter and pitman.
• Hot Parts - The pipe, manifold, engine and head are very
hot and will cause burns.
• Rotating Parts - Keep hands away from the drive train,
wheels, and engine when engine is running.
• Radio - Check batteries life before running the car. If
radio does not have full control of the car with steering
and/or throttle/brake do not run until corrected. Failure to
correct this will result in possible injury and damage to the
car or property.
• Glow fuel - Do Not leave the glow fuel unattended with the
Lid off. Fuel contains Methanol and Nitro Methane and is
flammable and poisonous.
Store fuel in cool ventilated location. Refer the glow fuel
engine if left in tank.
• Always turn off the car BEFORE turning off radio.
WARRANTY ISSUE.
IF YOU DO NOT BREAK-IN ENGINE
CORRECTLY, MAINLY AT LOW RPM,
YOU WILL BREAK THE CONNECTING
ROD!
FAILURE TO NOT READ AND
Engine Break-in
• See Engine Page.
Emergency Stopping Engine When Running
• Remove air filter and cover carb. intake.
• Squeeze fuel line and hold until engine stops.
• With a rag, cover exhaust outlet.
Storing Car After Running
• Remove fuel from tank and fuel lines
• Turn off radio in car
• Put a few drops of after run in engine to keep it from
rusting.
FOLLOW BREAK-IN ENGINE
INSTRUCTIONS WILL VOID
WARRANTY!
RTR KITS - REQUIRED FOR OPERATION
THINGS NEEDED
Glow Fuel
20%
AA Batteries ( 12 pcs )
You will need to buy a few items to start the engine and run the car.
• Use 20% nitro CAR fuel. Do not use airplane or heli fuels, they will
over heat engine.
• Buy LONG glow plugs, like OFNA Plug (#51009).
Use plugs without idle bar. Do NOT use plugs, like the MC-59 or OS-8
In your box you will find..
• #10162- Bottle, 250cc
• #10219 - Red “D” size glow heater
10195
7.2 Volt
Over-nite
Charger
You need to get batteries for the radio transmitter and the car receiver packs.
• Radio TX needs (8) eight AA batteries.
• Shaft Starter requires a 7.2Volt battery pack and charger OFNA #10195
• Car needs (4) four AA Ni-cad batteries 2000Mah or higher or (4) Alkaline., Alkaline type
batteries will work, but braking will be reduced and 30 minute life. The best for car, is to use a 5
cell hump receiver pack for increased voltage and longer life..
10214
Rec’v Bat.
Over-nite
Charger
51009 OFNA GLOW PLUG #3 RTR
#10202 Rec’v Bat.
NiHm Hump Pack,
see charger 10214.
Recommended Option:
You may want to upgrade the car battery pack to a Ni-Cad or NiHm 5 cell type(600AE). This will
give more run time. OFNA #10212 1400NiMh Hump Pack and NiHm Battery Charger #10214
TOOLS NOT INCLUDED IN KIT
Glow Plug & 17MM Cross Wrench
#10801 $6.95
Cross Wrench
#17109 $3.95
Phillips Type Screw Drivers ( L )
Phillips Type Screw Drivers ( S )
Cutter
Curved Scissors
91009 $5.95
Precision Caliper
Instant Cemment
Masking Tape
INCLUDED WITH KIT
1.5mm Allen Wrench
2mm Allen Wrench
Needle Nose Pliers
2.5mm Allen Wrench
Hobby Knife
4mm'5mm Allen Wrench
PLASTIC PARTS FOR USE
40017
GEAR BOX
40140
FRONT & REAR LOWER ARM
40003
DIFF. CASE
40536
FRONT C HUB
40015
ARM HOLDER
40540
REAR UPPER ARM & REAR WHEEL HUB
30802
THROTTLE LINKAGE
40015
FRONT UPPER ARM
40027
WING STAY
PLASTIC PARTS FOR USE
40031
SERVO SAVER
40040
CENTER DIFF. MOUNT
40541
RECEIVER BOX
40018/40029
CENTER BRACER
40137
BUMPER
40643
SHOCK PLASTIC BALL END
40643
Shock Plastic
Ball End
(Short)
40643
Shock Plastic
Ball End
(Long)
41008
SHOCK HOLDER
40643
Shock Cap
Washer
1
1
ASSEMBLY OF THE FRONT AND REAR DIFF.
Step 1 Step 2
Builds two differentials for front and rear.
40010
2.5x13.8mm
Pin
94034
4x4mm
Set Screw
40009
P6 O-Ring
30776
4x10mm
Washer
........x4
........x2
........x4
........x8
40006
Step 3
30776
4x4mm
40513
Oil
40010
36053
30773
40003
iff. O
40009
D
40010
40513
40513
Tighten
Step 4
3x12mm
il
40011
40009
49032
36053
Fill the diff oil just level with the
top of the satellite gears.
ｮtｳtｪo･[､Jｦﾜｮtｳtｾｦｽｳｻ･ｭｭｱｫh･i｡C
80%
Tighten the diff screws in this order.
ｽﾐｨﾌｹﾏ･ﾜｶｶｧﾇ､Wｺﾁｳｵｷ｡C
1
Oil
40006
3
94020
3x12mm
Flat Head
Hex Screw
2
ASSEMBLY OF THE CENTER DIFF.
40010
2.5x13.8mm
Pin
94034
4x4mm
Set Screw
40009
P6 O-Ring
........x8
Step 1 Step 2
Oil
40005
........x2
4x4mm
........x1
........x2
Step 3 Step 4
30776
40513
40010
36053
30773
40003
40009
40513
40513
40010
40009
4
40134
36053
2
Oil
40005
30776
4x10mm
Washer
94020
3x12mm
Flat Head
Hex Screw
........x4
........x4
D f
Tighten
i
f .
Oi
l
40011
3x12mm
3
ASSEMBLY OF THE FRONT GEAR CASE
94036
5x4mm
Set Screw
94011
4x16mm
Hex Screw
........x1
........x2
｡ｯAdjust the backlash with the shims.
4x16mm
40024
40017
Apply
Grease
40024
49012
36053
5x4mm
40017
36053
nt
rew
e
m
Sc
Ce
36730
40024
13x16x0.2mm
Shin
4
ASSEMBLY OF THE FRONT ARMS HOLDER
4x45mm
........x2
Tighten
40022
40015
94027
4x16mm
Flat Head
Hex Screw
94014
4x45mm
Hex Screw
........x4
........x2
40015
4x16mm
5
ASSEMBLY OF THE FRONT SHOCK STAY
4x12mm
35313
3mm
Nylon Nut
35314
4mm
Nylon Nut
94004
3x12mm
Hex Screw
94010
4x12mm
Hex Screw
94012
4x20mm
Hex Screw
90018
3x25mm
Screw
........x2
........x2
.......x4
.......x4
.......x2
.......x2
40117
3mm
4x20mm
40117
40531
40116
3x12mm
3x25mm
4mm
6
ASSEMBL OF THE KNUCKLE ARMSY
94034
4x4mm
Set Screw
35314
4mm
Nylon Nut
40527
Knukcle Arm
Bushing
40128
8x12x0.3mm
Washer
........x2
........x4
........x4
........x2
4x12mm
3x12mm
Step 1 Step 2
40536
Step 3
4mm
40527
Step 4
40520
Assembly for both right and left side
36053
Sc
Ce
r
ew
m
ent
30058
40128
8x12x0.3mm
36055
36053
4x4mm
36055
2.5x16.8mm
Pin
40528
King Screw
........x2
........x4
4mm
40528
40141
Right side
7
ASSEMBLY OF THE FRONT SUSPENSION ARMS
90020
2.5mm
E-Ring
........x2
*Insert the front drive shaft into
cap joint before assembly
4x10mm
Assembly for both right and left side
4x10mm
*4x10mm set screw is used
to adjust ride-height.
90021
3mm
E-Ring
36870
4x10mm
Set Screw
40546
3x42.7mm Arm Shaft
40524
4x73mm Arm Shaft
8
ASSEMBLY OF THE FRONT UPPER ARMS
36850
7mm Ball
........x2
........x2
........x2
3mm
........x2
........x2
40524
40139
36861
40140
2.5mm
36690
40140
40546
2.5mm
Ensure
Free
Movement
Assembly for both right and left side
1:1
*Approx.12 mm
36861
5X35MM
Turnbuckle
9
ASSEMBLY OF THE FRONT SUSPENSION ARMS
90020
2.5mm
E-Ring
35313
3mm
Nylon Nut
94008
3x25mm
Hex Screw
36170
3x44.3mm Arm Shaft
........x4
........x2
........x2
........x2
........x2
2.5mm
36850
36170
3x25mm
Ensure
Free
Movement
Assembly for both right and left side
2.5mm
Tighten
3mm
10
ASSEMBL OF THE FRONT STABILIZERY
9435
3x8mm
Set Screw
94006
3x18mm
Hex Screw
30403
6mm
Ball
11
ASSEMBL OF THE FRONT STABILIZERY
........x2
........x2
........x2
Makes two rods for left and right
hand-side.
30341
40029
40199
3x8mm
30403
Scre
Cem
Assembly for both right and left side
3x18mm
w
ent
3x3mm
94033
3x3mm
Set Screw
94003
3x10mm
Hex Screw
12
ASSEMBL OF THE SERVO SAVERY
........x2
........x4
40017
40017
3x10mm
40037
Step 1 Step 2
40032
*Do not tighten 40037
Hex Screw too tight.
40031
40019
40037
40035
3x3mm
w
tCeme
e
n
Scr
*Approx. 6mm
4x10mm
3x12mm
4x10mm
40030
*Take the plastic bushing from servo
saver plastic parts tree.
94004
3x12mm
Hex Screw
94009
4x10mm
Hex Screw
........x1
........x2
40031
40031
40031
40031
40031
40621
40018
40034
40036
Loading...