Schumacher Mi7 Instruction Manual

Instruction Manual

S1497 ISS1

71-73 Tenter Road

Moulton Park
Northampton

NN3 6AX

U.K.

ADDITIONAL ITEMS REQUIRED

E.S.C

Servo

Motor

Pinion

Soldering Iron

CR266 40w
CR275 80w

U3107 - Solder

AM701011 - Low Profile 4mm Connector 24K - pk2
AM701012 - Low Profile 5mm Connector 24K - pk2

CR115
CORE RC Silicone Wire 12AWG Red/Black/Blue 50cm

CR233
Piston Drilling Kit

1.1-1.8mm (8 bits)

AM190003 Reamer With End Cap For Lexan Body

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.

Li-Po Battery

Bodyshell

CORE RC Paint
CR600 to CR631
CR666 to CR672

PAGE 1

SK-100130
E660 Charger AC/DC 60W 6A

Wheels, tyres and glue

CR522 CORE RC
Pro Tyre Glue + 2 Nozzles

U4229 Steel Spanner - 5.5mm/3.9mm

CR044 Curved Body Scissors

AM150155 Nut Driver 5.5 (M3)
AM150170 Nut Driver 7.0 (M4)

AM110115 Allen Wrench 1.5
AM110120 Allen Wrench 2.0
AM110125 Allen Wrench 2.5
AM110130 Allen Wrench 3.0

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.

STEP 1

‘A’

The housings
are doweled
into the chassis.

STEP 2

x 2

Black 1.5 mm

The housings may be a tight fit
in the chassis, this is to ensure
accurate alignment.

‘B’

x 2

Black
Ball Stud Short

x 4

M3 x 6

STEP 3

‘B’

The housings may be a tight fit
in the chassis, this is to ensure
accurate alignment.

‘A’

The housings
are doweled
into the chassis.

x 4

M3 x 6

The motor mount may be a tight fit
in the chassis, this is to ensure
accurate alignment.

M3 x 6

The motor mount
is doweled
into the chassis.

x 3

PAGE 2

STEP 4

x 1

M3 x 4

The pulley should spin
freely on the shaft.

x 2

Flanged
ø3/16” x ø5/16”

STEP 5

Ensure fence is assembled
as shown.

STEP 6

Use the 5.5mm spanner to
ensure the screw is tight.

The bearings may be a
tight fit on the layshaft.

x 3

Spur Gear Screw

PAGE 3

Use the 5.5mm spanner to
ensure the screw is tight.

x 1

M3 x 12

STEP 7

x 1

x 2

ø6.4 x ø8.0 x 0.1

PIN ASSEMBLY PROCEDURE

Use if needed

Use a small amount of oil
to hold all of the parts in
place during assembly.

ø10 x ø15 x 4

STEP 8

x 1

ø5 x ø8 x 2.5

SHIM
ø10 x ø12.5 x 0.10

Ensure fences are assembled
as shown.

x 1

x 1

O’ring ø5 x 1.5

x 1

SHIM
ø5 x ø15 x 0.2

x 1

ø2.0 x 9.8

STEP 9

x 1

ø5 x ø8 x 2.5

x 1

ø10 x ø15 x 4

ø6.4 x ø8.0 x 0.1

SHIM
ø10 x ø12.5 x 0.10

x 2

x 1

Use if needed

x 1

O’ring ø5 x 1.5

ø2.0 x 9.8

x 1

SHIM
ø5 x ø15 x 0.2

x 1

SEE STEP 7 FOR
PIN ASSEMBLY PROCEDURE

PAGE 4

STEP 10

x 2

ø2 x ø5 x 1.5

x 4

SHIM
ø3.5 x ø9.5 x 0.1

Use a small amount of oil
to hold all of the parts in
place during assembly.

x 4

M2.5 x 4

Use 1.6 grams of oil (just
covering the bevel gear).

STEP 11

M3 Washer

x 4

M3 x 12

Tighten the screw until
the M3 thread insert is
pulled into the carbon fibre
part as shown.

x 1

Use the M3x12 cap head
screw and washers to fit the
inserts and dowels.

x 2

M3 Thread Insert

x 1

M3 Nyloc

x 4

Dowel
ø3 x ø4 x 3.5

Tighten the nut until the
dowel is pulled into
the carbon fibre part
as shown.

PAGE 5

M3 Nut

M3 Thread Insert

x 2

Low Ball Short

x 2

x 4

Black 0.5 mm

Dowel
ø3 x ø4 x 3.5

x 2

Low Ball Ultra Short

STEP 12

Make sure the pips on the
eccentric match the image
as shown.

x 4

M3 x 8

STEP 13

STEP 14

The eccentrics are free to rotate.
The belt tension will be set later
when the top deck is fitted.

Ensure fences are assembled
as shown.

x 2

M3 x 8

x 2

ø10 x ø15 x 4

x 2

SHIM
ø10 x ø12.5 x 0.10

PAGE 6

STEP 15

M3 Thread Insert

STEP 16

x 4

ø3 x ø4 x 3.5

x 2

See Page 5 Step 11 for how
to assemble the inserts and
dowels.

x 2

M3 Nut

x 2

Low Ball Ultra Short

x 2

Low Ball Short

x 4

Black 0.5 mm

M3 x 8

Make sure the pips on the
eccentric match the image
as shown.

x 4

PAGE 7

The eccentrics are free to rotate.
The belt tension will be set later
when the top deck is fitted.

STEP 17

x 8

M3 x 6

Make sure you assemble the top deck
under the front belt. (see final image).

STEP 18

Tighter belt tension.

Looser belt tension.

FRONT REAR

Tighter belt tension.

Looser belt tension.

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

M3 x 4

x 4

PAGE 8

STEP 19

The strap may be a tight fit
in the chassis, this is to ensure
accurate alignment.

Chamfer this side.

x 2

Black 0.5 mm

x 2

M3 x 8

STEP 20

Chamfer this side.

STEP 21

Chamfer this side.

The split blocks may be a tight fit
in the chassis, this is to ensure
accurate alignment.

x 1

Black
Ball Stud Ultra Short

x 4

Black 1.0 mm

x 4

M3 x 6

PAGE 9

x 2

Low Ball Ultra Short

STEP 22

STEP 23

M3 x 4

M3 x 6

x 2

x 2

M3 x 10

x 2

ø3.0 x ø4.5 x 0.25

x 2

ø4 x ø5.65 x 1

Assemble the grub screw central
to the steering lever. See track
settings on how to set this.

x 2

STEP 24

M3 x 6

ø4 x ø8 x 3

M3 x 6

x 2

Ensure the flats on the steering
posts are parallel to the sides
of the chassis.

x 4

x 2

x 1

M3 x 10

The servo mount may be a tight fit
in the servo plate, this is to ensure
accurate alignment.

PAGE 10

STEP 25

Before you assemble
the servo horn, connect up
your radio gear and set the

steering servo to

neutral.

IMPORTANT

Select the

correct horn for

your servo.

x 1

M3 Nut

x 1

Black
Ball Stud Short

15°

SERVO NOT

INCLUDED

Screw
supplied
with servo

x 3

M3 x 8

STEP 26

Note the shape of the turnbuckle.
This groove indicates the left hand thread.

RH Thread

The servo mount may be a tight
fit in the chassis, this is to ensure
accurate alignment.

LH Thread

RH Thread

Shorter link

Longer link

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)

LH Thread

M3 x 6

PAGE 11

NOTE.
The car has been cut away for
assembly clarification.

x 2

STEP 27 - Right Hand Side Front Suspension

x 2

M3 x 6

M3 Washer

The sphere is
on the bottom
of the wishbone.

IMPORTANT

This is the 3 dot wishbone.

Make sure to use the same

wishbone on both sides of the car.

M3 Thread Insert

See Page 5 Step 11 for how
to assemble the inserts.

STEP 28

x 1

M3 x 8 Dome Ended

x 2

Set the grub screw
central for now.

x 1

Adjust this screw to fine
tune the ball fit.
Do NOT overtighten.

STEP 29

x 1

M3 x 6

M2.5 x 8

Wishbone Ball

x 1

x 1

M3 x 8

x 2

Fit the grub screw into
the moulding first. Then
screw on the shock ball.

Set the grub
screw flush.

Pivot Ball x 1

x 1

Black 0.5 mm

x 1

M3 x 10

PAGE 12

STEP 30

See Page 5 Step 11 for how
to assemble the inserts.

x 2

M3 x 8

Full size front

steering arm.

STEP 31

ø5 x ø10 x 4

x 1

M3 Thread Insert

x 1

Black 1.0 mm

x 1

Low Ball Ultra Short

x 1

ø5 x ø7 x 1.5

x 1

x 1

ø5 x ø10 x 3

O’ring ø9 x 1.0

STEP 32

x 1

ø1.5 x 9.8

x 1

SHIM
ø3.25 x ø6.25 x 0.1

x 2

x 2

Black 1.0 mm

THRUST

x 2

SHIM
ø5 x ø3.25 x 0.3

x 1

M3 x 2

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.

The flat must face
the grub screw.

PAGE 13

x 2

ø1/8” x ø1/4”

STEP 33 - Left Hand Side Front Suspension

The sphere is
on the bottom
of the wishbone.

IMPORTANT

This is the 3 dot wishbone.

Make sure to use the same

wishbone on both sides of the car.

STEP 34

M3 x 6

x 1

M3 x 6

x 2

x 2

M3 Washer

x 1

M3 x 8 Dome Ended

M2.5 x 8

Adjust this screw to fine
tune the ball fit.
Do NOT overtighten.

Set the grub screw
central for now.

See Page 5 Step 11 for how
to assemble the insert.

x 1

M3 Thread Insert

x 1

STEP 35

M3 x 8

x 2

x 1

Wishbone Ball

Fit the grub screw into
the moulding first. Then
screw on the shock ball.

Set the grub
screw flush.

x 1

Black 0.5 mm

M3 x 10

x 1

Pivot Ball x 1

PAGE 14

STEP 36

M3 Thread Insert

Full size front
steering arm.

STEP 37

x 1

ø5 x ø10 x 3

See Page 5 Step 11 for how
to assemble the inserts.

Black 1.0 mm

Low Ball Ultra Short

x 1

x 1

x 1

M3 x 8

ø5 x ø7 x 1.5

x 2

x 1

x 1

O’ring ø9 x 1.0

x 1

ø1.5 x 9.8

STEP 38

SHIM
ø3.25 x ø6.25 x 0.1

x 2

x 1

ø5 x ø10 x 4

Black 1.0 mm

The flat must face
the grub screw.

x 2

THRUST

x 2

SHIM
ø5 x ø3.25 x 0.3

x 1

M3 x 2

Use the hub height setting tool to
set the gap between the hub and wishbone.

Ensure correct orientation of the inserts.

IMPORTANT

Use 0.25 as the BASE setting.

PAGE 15

x 2

ø1/8” x ø1/4”