Schumacher Mi7 User manual

S1497 ISS1
71-73 Tenter Road
Moulton Park
Northampton
NN3 6AX
U.K.
Instruction Manual

E.S.C
Motor
Servo
CR044 Curved Body Scissors
U3107 - Solder
Soldering Iron
CR266 40w
CR275 80w
U4229 Steel Spanner - 5.5mm/3.9mm
IMPORTANT SAFETY NOTES
We strongly recommend that anyone driving RC cars, or organising events, should obtain third
party liability insurance. In the UK this can be done by joining the BRCA. www.brca.org
This product is not suitable for children under the age of 14, without the direct
supervision of a responsible adult.
Select an area for assembly that is away from the reach of small children.
The parts in this kit are small and can be swallowed by children causing choking
and possible internal injuries.
Exercise care when using hand tools and sharp instruments during assembly.
Carefully read all manufacturers warnings and cautions for any additional items
used in the construction.
In line with our policy of continuous development the exact details of the kit may vary.
DO NOT use this car on public roads or in places where it can interfere with
traffic, people or animals.
Always check the operation of the radio with the wheels off the ground, before
using the car.
Make sure the radio and car batteries are fully charged before use.
Disconnect and remove the battery from the car when not in use.
Always store and charge LiPo batteries in a fireproof container.
DO NOT put fingers or any objects inside rotating or moving parts as this may
cause injury.
Make sure the charger is correctly set for the type of battery you are using.
Incorrect charging may cause a fire.
Insulate all exposed electrical wiring. Exposed or damaged wires can cause
short circuits and fire.
The motor and speed controller can become hot during use.
DO NOT touch them immediately after using your car as this may cause injury.
Li-Po Battery
CR233
Piston Drilling Kit
1.1-1.8mm (8 bits)
Pinion
Wheels, tyres and glue
Bodyshell
AM701011 - Low Profile 4mm Connector 24K - pk2
AM701012 - Low Profile 5mm Connector 24K - pk2
SK-100130
E660 Charger AC/DC 60W 6A
CORE RC Paint
CR600 to CR631
CR666 to CR672
AM110115 Allen Wrench 1.5
AM110120 Allen Wrench 2.0
AM110125 Allen Wrench 2.5
AM110130 Allen Wrench 3.0
AM150155 Nut Driver 5.5 (M3)
AM150170 Nut Driver 7.0 (M4)
AM190003 Reamer With End Cap For Lexan Body
CR522 CORE RC
Pro Tyre Glue + 2 Nozzles
Schumacher Racing stocks and
distributes the following
manufacturers products and full
product listings are
available on our website at
www.racing-cars.com
PLEASE NOTE THAT SOME OF THE
PRODUCT RANGES BELOW ARE ONLY
AVAILABLE IN THE UNITED KINGDOM.
CR115
CORE RC Silicone Wire 12AWG Red/Black/Blue 50cm
PAGE 1
ADDITIONAL ITEMS REQUIRED

The housings may be a tight fit
in the chassis, this is to ensure
accurate alignment.
M3 x 6
x 4
M3 x 6
x 4
M3 x 6
x 3
Black
Ball Stud Short
x 2
Black 1.5 mm
x 2
The housings
are doweled
into the chassis.
The housings
are doweled
into the chassis.
The housings may be a tight fit
in the chassis, this is to ensure
accurate alignment.
The motor mount
is doweled
into the chassis.
The motor mount may be a tight fit
in the chassis, this is to ensure
accurate alignment.
‘A’
‘B’
‘A’
‘B’
STEP 1
STEP 2
STEP 3
PAGE 2

M3 x 12
x 1
x 2
Flanged
ø3/16” x ø5/16”
The pulley should spin
freely on the shaft.
Spur Gear Screw
x 3
M3 x 4
x 1
The bearings may be a
tight fit on the layshaft.
Ensure fence is assembled
as shown.
Use the 5.5mm spanner to
ensure the screw is tight.
Use the 5.5mm spanner to
ensure the screw is tight.
STEP 4
STEP 5
STEP 6
PAGE 3

ø5 x ø8 x 2.5
x 1
ø5 x ø8 x 2.5
x 1
O’ring ø5 x 1.5
x 1
O’ring ø5 x 1.5
x 1
x 1
SHIM
ø5 x ø15 x 0.2
x 1
SHIM
ø5 x ø15 x 0.2
ø10 x ø15 x 4
x 1
ø10 x ø15 x 4
x 1
ø2.0 x 9.8
x 1
ø2.0 x 9.8
x 1
x 1
SHIM
ø10 x ø12.5 x 0.10
x 1
SHIM
ø10 x ø12.5 x 0.10
PIN ASSEMBLY PROCEDURE
SEE STEP 7 FOR
PIN ASSEMBLY PROCEDURE
x 2
ø6.4 x ø8.0 x 0.1
x 2
ø6.4 x ø8.0 x 0.1 Use a small amount of oil
to hold all of the parts in
place during assembly.
Use if needed
Use if needed
Ensure fences are assembled
as shown.
STEP 7
STEP 8
STEP 9
PAGE 4

ø2 x ø5 x 1.5
x 2
x 4
SHIM
ø3.5 x ø9.5 x 0.1
M2.5 x 4
x 4
M3 Thread Insert
x 2 x 4
M3 Washer
x 4
M3 Nyloc
x 1
M3 Nut
x 2
M3 x 12 x 1
Black 0.5 mm
x 4
x 2
Low Ball Ultra Short
Low Ball Short
x 2
Use the M3x12 cap head
screw and washers to fit the
inserts and dowels.
Use 1.6 grams of oil (just
covering the bevel gear).
M3 Thread Insert Dowel
ø3 x ø4 x 3.5
Dowel
ø3 x ø4 x 3.5
Tighten the screw until
the M3 thread insert is
pulled into the carbon fibre
part as shown.
Tighten the nut until the
dowel is pulled into
the carbon fibre part
as shown.
Use a small amount of oil
to hold all of the parts in
place during assembly.
STEP 10
STEP 11
PAGE 5

The eccentrics are free to rotate.
The belt tension will be set later
when the top deck is fitted.
Make sure the pips on the
eccentric match the image
as shown.
M3 x 8
x 4
M3 x 8
x 2
ø10 x ø15 x 4
x 2
x 2
SHIM
ø10 x ø12.5 x 0.10
Ensure fences are assembled
as shown.
STEP 12
STEP 13
PAGE 6
STEP 14

See Page 5 Step 11 for how
to assemble the inserts and
dowels.
M3 Nut
x 2
Black 0.5 mm
x 4
x 2
Low Ball Ultra Short
Low Ball Short
x 2
Make sure the pips on the
eccentric match the image
as shown.
M3 x 8
x 4
M3 Thread Insert
x 2
ø3 x ø4 x 3.5
x 4
The eccentrics are free to rotate.
The belt tension will be set later
when the top deck is fitted.
STEP 15
STEP 16
PAGE 7

M3 x 6
x 8
Set the eccentric position with the grub screw.
IMPORTANT
Make sure both sides are set the same and
only tighten this grub screw when indents
on the eccentrics and housings line up.
DO NOT OVER TIGHTEN
Tighter belt tension. Tighter belt tension.
Looser belt tension.
Looser belt tension.
FRONT REAR
M3 x 4
x 4
Make sure you assemble the top deck
under the front belt. (see final image).
STEP 17
STEP 18
PAGE 8

M3 x 6
x 4
M3 x 8
x 2
Black 0.5 mm
x 2
Black 1.0 mm
x 4
x 1
Black
Ball Stud Ultra Short
x 2
Low Ball Ultra Short
Chamfer this side.
Chamfer this side.
Chamfer this side.
The strap may be a tight fit
in the chassis, this is to ensure
accurate alignment.
The split blocks may be a tight fit
in the chassis, this is to ensure
accurate alignment.
STEP 19
STEP 20
STEP 21
PAGE 9

M3 x 6
x 2
M3 x 10
x 2
x 2
ø3.0 x ø4.5 x 0.25
M3 x 4
x 2
x 2
ø4 x ø5.65 x 1
ø4 x ø8 x 3
x 4
M3 x 6
x 2
The servo mount may be a tight fit
in the servo plate, this is to ensure
accurate alignment.
M3 x 6
x 2
Assemble the grub screw central
to the steering lever. See track
settings on how to set this.
Ensure the flats on the steering
posts are parallel to the sides
of the chassis.
M3 x 10
x 1
STEP 22
STEP 23
PAGE 10
STEP 24

15°
Note the shape of the turnbuckle.
This groove indicates the left hand thread.
Carefully screw the sockets onto the turnbuckle
until no threads are visible.
Then undo them to the desired length.
This allows for easier adjustment on the car.
(Greasing the threads will also help)
RH Thread LH Thread
IMPORTANT
Select the
correct horn for
your servo.
The servo mount may be a tight
fit in the chassis, this is to ensure
accurate alignment.
M3 Nut
x 1
Black
Ball Stud Short
x 1
M3 x 6
x 2
M3 x 8
x 3
SERVO NOT
INCLUDED
Screw
supplied
with servo
Before you assemble
the servo horn, connect up
your radio gear and set the
steering servo to
neutral.
Longer link
Shorter link
LH Thread
RH Thread
NOTE.
The car has been cut away for
assembly clarification.
STEP 25
STEP 26
PAGE 11

M3 x 6
x 1
M2.5 x 8
x 1
Wishbone Ball
x 1
M3 x 10
x 1
M3 x 8
x 2
Pivot Ball x 1
Black 0.5 mm
x 1
Adjust this screw to fine
tune the ball fit.
Do NOT overtighten.
See Page 5 Step 11 for how
to assemble the inserts.
M3 Washer
x 2
M3 x 6
x 2 M3 x 8 Dome Ended
x 1
M3 Thread Insert
x 1
IMPORTANT
This is the 3 dot wishbone.
Make sure to use the same
wishbone on both sides of the car.
Set the grub screw
central for now.
The sphere is
on the bottom
of the wishbone.
Set the grub
screw flush.
Fit the grub screw into
the moulding first. Then
screw on the shock ball.
STEP 27 - Right Hand Side Front Suspension
STEP 28
PAGE 12
STEP 29

M3 x 8
x 2
Black 1.0 mm
x 1
M3 Thread Insert
x 1
x 1
Low Ball Ultra Short
See Page 5 Step 11 for how
to assemble the inserts.
Full size front
steering arm.
M3 x 2
x 1
x 1
ø5 x ø7 x 1.5
ø5 x ø10 x 4
x 1
ø5 x ø10 x 3
x 1
ø1.5 x 9.8
x 1
O’ring ø9 x 1.0
x 1
Use the hub height setting tool to
set the gap between the hub and wishbone.
IMPORTANT
Ensure correct orientation of the inserts.
Use 0.25 as the BASE setting.
x 2
SHIM
ø3.25 x ø6.25 x 0.1 Black 1.0 mm
x 2
x 2
THRUST
SHIM
ø5 x ø3.25 x 0.3
The flat must face
the grub screw.
ø1/8” x ø1/4”
x 2
STEP 30
STEP 31
STEP 32
PAGE 13

M3 x 6
x 1 M2.5 x 8
x 1
Wishbone Ball
x 1
M3 x 10
x 1
M3 x 8
x 2
Pivot Ball x 1
Black 0.5 mm
x 1
Adjust this screw to fine
tune the ball fit.
Do NOT overtighten.
See Page 5 Step 11 for how
to assemble the insert.
M3 Washer
x 2
M3 x 6
x 2
M3 x 8 Dome Ended
x 1
M3 Thread Insert
x 1
IMPORTANT
This is the 3 dot wishbone.
Make sure to use the same
wishbone on both sides of the car.
Set the grub screw
central for now.
The sphere is
on the bottom
of the wishbone.
Set the grub
screw flush.
Fit the grub screw into
the moulding first. Then
screw on the shock ball.
STEP 33 - Left Hand Side Front Suspension
STEP 34
PAGE 14
STEP 35

Use the hub height setting tool to
set the gap between the hub and wishbone.
The flat must face
the grub screw.
M3 x 8
x 2
Black 1.0 mm
x 1
M3 Thread Insert
x 1
x 1
Low Ball Ultra Short
See Page 5 Step 11 for how
to assemble the inserts.
M3 x 2
x 1
x 1
ø5 x ø7 x 1.5
ø5 x ø10 x 4
x 1
ø5 x ø10 x 3
x 1
ø1.5 x 9.8
x 1
O’ring ø9 x 1.0
x 1
Full size front
steering arm.
IMPORTANT
Ensure correct orientation of the inserts.
Use 0.25 as the BASE setting.
x 2
SHIM
ø3.25 x ø6.25 x 0.1 Black 1.0 mm
x 2
x 2
THRUST
SHIM
ø5 x ø3.25 x 0.3
ø1/8” x ø1/4”
x 2
STEP 36
STEP 37
STEP 38
PAGE 15

NOTE
See page 11 step 26 for turnbuckle
assembly instructions.
NOTE
The car has been cut away for
assembly clarification.
M3 x 8
x 2
FRONT OF CAR
Black 0.5 mm
x 2
IMPORTANT
Unscrew these two ball studs half a
turn, then tighten them again.
This will leave them pitch perfect
with the upper wishbone.
(The suspension should move freely
and the transmission should rotate freely)
IMPORTANT
Apply MOLY grease to the blade
flats on both sides of the blades.
Shorter link
Longer link
Shorter link
Longer link
Turnbuckle Direction
Turnbuckle Direction
Chamfer this side.
To ease assembly
insert the ball stud
into the socket
before attaching
it to the car.
Ball Stud Short
x 2
Black 1.5 mm
x 2
STEP 39
STEP 40
PAGE 16

M3 x 6
x 1
M2.5 x 8
x 1
Wishbone Ball
x 1
M3 x 10
x 1
M3 x 8
x 2
Pivot Ball x 1
Black 0.5 mm
x 1
Adjust this screw to fine
tune the ball fit.
Do NOT overtighten.
See Page 5 Step 11 for how
to assemble the insert.
M3 Washer
x 2
M3 x 6
x 2
M3 x 8 Dome Ended
x 1
M3 Thread Insert
x 1
IMPORTANT
This wishbone has NO dots.
Make sure to use the same
wishbone on both sides of the car.
Set the grub screw
central for now.
The sphere is
on the bottom
of the wishbone.
Set the grub
screw flush.
Fit the grub screw into
the moulding first. Then
screw on the shock ball.
STEP 41 - Right Hand Side Rear Suspension
STEP 42
STEP 43
PAGE 17

The flat must face
the grub screw.
M3 x 2
x 1
Use the hub height setting tool to
set the gap between the hub and wishbone.
M3 x 8
x 2
M3 Thread Insert
x 1
x 1
Low Ball Ultra Short
See Page 5 Step 11 for how
to assemble the inserts.
x 1
ø5 x ø7 x 1.5
ø5 x ø10 x 4
x 2 ø1.5 x 9.8
x 1
O’ring ø9 x 1.0
x 1
Full size rear
toe-in arm.
IMPORTANT
Ensure correct orientation of the inserts.
Use 0.75 as the BASE setting.
x 2
SHIM
ø3.25 x ø6.25 x 0.1
Black 1.0 mm
x 2
x 2
THRUST
SHIM
ø5 x ø3.25 x 0.3
Black 0.5 mm
x 1
ø1/8” x ø1/4”
x 2
STEP 44
STEP 45
PAGE 18
STEP 46

M3 x 6
x 1
M2.5 x 8
x 1
Wishbone Ball
x 1
M3 x 10
x 1
M3 x 8
x 2
Pivot Ball x 1
Black 0.5 mm
x 1
Adjust this screw to fine
tune the ball fit.
Do NOT overtighten.
See Page 5 Step 11 for how
to assemble the insert.
M3 Washer
x 2
M3 x 6
x 2
M3 x 8 Dome Ended
x 1
M3 Thread Insert
x 1
IMPORTANT
This wishbone has NO dots.
Make sure to use the same
wishbone on both sides of the car.
Set the grub screw
central for now.
The sphere is
on the bottom
of the wishbone.
Set the grub
screw flush.
Fit the grub screw into
the moulding first. Then
screw on the shock ball.
STEP 47 - Left Hand Side Rear Suspension
STEP 48
STEP 49
PAGE 19