Smartech 83420 User manual

1:8 SCALE OFF-ROAD BUGGY
Item No.: 083420
SMARTECH MODEL
FEATURES
Assembled Chassis, ready to run.
Powerful engine equipped with slide carburetor and pull-starter.
Excellent perfromance muffler and air-filter.
Four wheel drive system with deceleration.
Metal Differential bevel gear F/R.
Standard fuel tank 125cc
Adjustable aluminum shock absorber (4pcs).
Aluminum Chassis.
Disc brake system.
Full stainless steel ball bearing set.
The contents are subjust to changes without
notice due to product improvements and
specification changes.

-1-
1.5m/m
2m/m
2.5m/m
15%-30%
Fuel
Notice before assembly
The following tools are needed for assembly. You must buy them from the local hobby
shops apart from the kits we provided.
Please read and comprehend this instruction manual before assembly.
Tools needed for assembly
Hexagonal wrenches
Scissor
Hobby Knife
Cross Sleeve
Super
Glue Slide Cutter Needle
Nose Pliers Cross Screw
Driver (No.2)
Cross Screw
Driver (No.1)
Charger Ignition
Additional items needed to buy for
running in the engine
Differential
oil
Fuel pump Air filter
oil
Shock
absorber oil
2-Channel Transmitter system
Please read the transmitter system instructions carefully before use.
The servo must be set at the center position before installation. To set the servo to neutral
position, turn on the transmitter and receiver, and sett the servo rod at the center position,
and then turn off the receiver and the transmitter in succession. The servo will be at the
proper position.
Battery Switch Receiver
Steering servo
Throttle servo
Transmitter
Item No.:30133
Battery Indicator
Charging Plug
Power Switch
Antenna
LCD Plug
Steering trigger
Throttle trigger
Steering Trimmer
Throttle Trimmer
Steering Reverse
Throttle Reverse
Steering Wheel
Steering trigger
Speed controller
Battery Case

-2-
TROUBLE SHOOTING
Solutions
Problems Causes
Engine fails to
start.
You can start the
engine, but it
flames out at
once.
The engine does
not work well.
Hard to handle
the car.
1. No fuel in the tank or the carburetor.
2. The spark plug is damaged, or the porffire has
not been charged.
3. The fuel pipe, air filter or muffler is choked.
4. Too much fuel.
5. The carburetor has not been adjusted properly.
6. The servo link has not been adjusted properly.
1. Fill the tank with fuel, and press prime button.
2. Change the spark plug with a new one, or charge
the portfire.
3. Clean the parts clogged, or change with new ones.
4. Remove the spark plug and spill the fuel. Check
the spark plug, change another one if it is not
working.
5. Set the idle, main and slow needle to standard
starting position.
6. Set the servo to neutral position and readjust it.
1. No fuel in the fuel tank.
2. The fuel pipe, air filter or muffler is choked.
3. The carburetor has not adjusted properly.
4. The engine is overheated.
1. Fill the tank with fuel.
2. clean or change the parts clogged.
3. Readjust the idle, main and slow needle, set them
to starting position.
4. Cool down the engine. Unscrew the main needle
adjusting screw, turn left for 30 degree.
1. The carburetor has not been adjusted properly.
2. Little oil pressure in muffler.
1. Readjust the idle, main and slow needle.
2. Assemble the pipe between the muffler and fuel
tank properly.
1. Charge the battery or replace it.
2. Extend the antenna of the transmitter and receiver.
3. Set the servo to the neutral position and readjust it.
1. The battery of the transmitter or receiver is
weak or exhausted.
2. Bad performance of the antenna.
3. The servo link has not been adjusted properly.
SAFETY PRECAUTION
Make sure that all assembly processes have been done before
operating.
Sometimes it may be difficult to make a turn, especially when
it is going up the slope or running on bumpy places, however,
it does not indicate the vehicle has any troubles.
Check the screws and nuts at all times to avoid looseness.
- never use the fuel indoors or near the fire and
sources of heat.
- never drink the fuel or spatter into your eyes.
- only keep the fuel in cool, dry and dark places where
your children can not reach for it. Make sure that you
have fasten the cover tight!
- never put your fingers or any objects into rotating
parts.
- never touch the engine and muffler they are in motion.
Dangers of burning yourself.
OPERATTION PRECAUTION
Warning: Never run your model on following conditions!
Unobserved operations could cause accidents.
- on roads or railways
- places where children and people gather
- in residentials, parks, hospitals or close to airports.
- indoors or limited areas
Only run your model in spacious places.
Unobserved operations could cause accidents or personal
injuries and loss of property.
Make sure that the batteries of the transmitter and receiver
are not weak.
With low battery, the performance of the model will be
affected, and the model may be out of control and cause
severe accidents.
Keep alert, as someone else may be operating this kind of
model nearby.
Never use the same frequency with someone else
coinstantaneous! Otherwise, the signal could be disturbed,
and the model would be out of control, which result in
severe accidents.
Stop your model as soon as it runs abnormally, and check
the model. Do not use your model again until you have
solved the problems, otherwise, it could cause more
problems even an accident.

- 3 -
183101
960007
183103
183106
183103
183103
183106
183106
183106
183106
183106
183215
183215
183102
183215
183102
183215 183215
183103
183215
960007
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Differential Box Diagram F/R

- 4 -
1-1 1-2
1-3 1-4
Differential Oil

183105
960007 183103
183103
183102
183215
183102
183215
183215
183215
183215
183104
183215
183104
183104
183104
183104
183104
960007
183103
183103
- 5 -
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Center Diff. Box Diagram

- 6 -
2-1 2-2
2-4
2-3
Differential Oil

- 7 -
183111
183108
183108
183108
183108
183108
183110
183111
183112
183114
183114
183113
183114
183114
910015
183111
183112
183108
183109
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Center Diff. Box Assembly Diagram

- 8 -
3-1 3-2 3-3
3-4 3-6
3-5
502 Glue

- 9 -
960008
183124
180019
183121
183122
183123
920003
183124
960008
183139
183139
183139
183125
183121
183123
183139
183139
180019
180019
910147
920003
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Steering Diagram

- 10 -
4-1 4-2
4-4
4-3

- 11 -
183172
183172
930005 183133
183150
183126
183155
183152
183152
183142
920006
910013
183126
910101
183157
183157
183128
183128
183129
183129
183130
183132
183169
960007
183138
183131
910090
183106
183138
180020
183149
180016
183107
183131
183131
183189
183189
183155
910090
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Body Diagram (Front)

- 12 -
5-1 5-2
5-4 5-6
5-3
5-5
Glue

-13-
183133
183172
183134
183135
183142
183142
183106
183155
910147
180017
183137
183143
183143
920003
183169
180018
910101 180020
183151
910090
910091
183141
183143
910152
183147
183153
183136
183126
183126
960007
183157
183172
183153
183135
183145
910013
183107
920006
930005
183213183213
183189
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Body Diagram (Rear)

- 14 -
6-1 6-2
6-3 6-4
Thread Lock

- 15 -
6-5
6-7 6-8
6-6

- 16 -
183199
910067
910197
910065
910065
183127
920003
910049
910147
183145
910089
183146
910200
183146
183148
910013
910067
910197
910065
910067
920003
910147
183154 183154
1:8 SCALE OFF-ROAD BUGGY
Chassis Diagram
Item No.: 083420

- 17 -
7-1 7-2
7-3 7-4

- 18 -
7-6
7-7 7-8
7-5 7-6
7-7

183144
183165
910200
910058
183165
183165
- 19 -
183165
1:8 SCALE OFF-ROAD BUGGY Item No.: 083420
Fittings Diagram