Steinhof M-030 Fitting And Operation Manual

FITTING AND OPERATION MANUAL
DESTINATION
Tow bar M-030 for a Mazda CX-7 is designed for towing a trailer. This ball hook has a current
certification of approval authorizing the product with
FITTING CONDITIONS
Tow bar M-030 can be used and operated in a car with proper technical conditions of body elements.
Those parts cannot be mechanically damaged . The ball hook has to be installed and operated in a car
according to this instruction . All bolts and nuts in ball hook have to be screwed down with proper torque
(M ) . Torque values are given below :
o
M8 - 25 (Nm)
M10 - 50 (Nm)
OPERATION CONDITIONS
The tow bar M-030 has a rating plate describing correct and safe loads of the hook :
Typ: M-030 The tow bar for
A50-X
Tow bar class ( compressing device )
e20 00-1287 Tow bar certification of approval number
D = 10,4 kN
Teoretical related force working on a ball hook
S = 85 kg Max permissible vertical load of the hook ball
R = 1700 kg
Max permissible load of towing trailer
D - force is calculated using the following formula:
T-technically permissible maximum mass in tonnes of the towing vehicale (also
towning tractors) including, if neccessary, the vertical load of a centrale axle trailer.
TxR
D
kN R-technically permissible maximum mass in tonnes of the full trailer with drawgal free
= g
x
T+R
to move in the vertical plane or of the semi-trailer.
g-acceleration due to gravity(assumed as 9,81 m/s )
During operating individual elements of ball hook should be kept in a proper technical condition and
protected from corrosion . The trailer must be linked with an elastic joint with proper durability ( cord ,
chain ) while towing .It is necessary to check periodically bolt joints during ope rating the ball hook. If
screws are eased , it is necessary to screw them down .
FITTING
The tow bar M-030 for Mazda CX-7 is made up of the following elements :
1. Towbar mainframe - 1 piece
2. Right support - 1 piece
3. Left support - 1 piece
4. Tow ball - 1 piece
5. Electrical socket plate - 1 piece
- 4 pieces
6. Special washer Ø40/Ø12,5x3
- 4 pieces
7. Bolt M12x35
- 4 pieces
8. Bolt M12x40
30.10.2015.
TOW BAR M-030 FOR
Mazda CX-7
(10/2007 - ® )
Cat. No. M-030
e20
certification sign.
M12 - 85 (Nm)
M16 - 200 (Nm)
Mazda CX-7
2
9. Bolt M12x65 - 2 pieces
- 7 pieces
10.Flat washer Ø13,0
-10pieces
11.Spring washer Ø12,2
- 4 pieces
12.Nut M12
Cat. No. M-030
Follow the general directions in order to fit M-030 tow bar properly:
1.Rear bumper cutting and removing is required.
2. Remove rear bumper with his strengthening (strengthening will not be reused, the nuts should be
re-placed in the factory places).
3. Remove the protective tape from the mounting points on the chassis.
4. Put (2) and (3) in the chassis and screw using (7) with (6) and (11).
5. Insert (1) between (2) and (3) and screw using (8) with (10), (11) and (12).
6. Make cutting in rear bumper according to the attached schedule.
7. Install rear bumper.
8. To the (1) tighten (4) and (5) using (9) with (11), (10) and (12).
Obeying this instruction assures correct montage and the tow bar operating
in a
After assembling of the tow bar M-030 you have to get entry in cars registration book.
CAUTION :
Check if all bolts and nuts are correctly tightened after 1000km. Keep tow ball clean, grease and cased.
All mechanical damages of tow bar excludes its further exploitation . Damaged ball hook cannot be
repaired. In case of braking the rules of montage or unproper usage manufacturer do not take
responsibility for arised damages .
MONTAGE DIAGRAM :
NOTE :
Bunch of wires is not included (in total price).
Mazda CX-7.
Cat. No. M-030