Steinhof S-375 Parts list manual

DESTINATION
Tow bar S-375 is designed for towing a trailer. This ball hook has a current certification of approval
authorizing the product with E20 certification sign.
FITTING CONDITIONS
Tow bar S-375 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
(Mo) . Torque values are given below :
OPERATION CONDITIONS
The tow bar S-375 has a rating plate describing correct and safe loads of the hook :
D - force is calculated using the following formula:
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 operating the ball hook. If
screws are eased , it is necessary to screw them down .
FITTING
The tow bar S-375 is made up of the following elements :
Cat. No.S-375
30.10.2015. Cat. No. S-375
M8 - 25 (Nm)
M10 - 50 (Nm)
M12 - 85 (Nm)
M16 - 200 (Nm)
Tow bar catalogue number.
Tow bar class ( compressing device )
Tow bar certification of approval number
Teoretical related force working on a ball hook
Max permissible vertical load of the hook ball
Max permissible load of towing trailer
D= gx kN
TxR
T+R
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.
R-technically permissible maximum mass in tonnes of the full trailer with drawgal free
to move in the vertical plane or of the semi-trailer.
2
g-acceleration due to gravity(assumed as 9,81 m/s )
Obeying this instruction assures correct montage and the S-375 tow bar
operating.
3. Remove the plastic caps from the bottom of the bumper.
4. Leave the last silencer from the holder, remove the thermal shield then loose the holder of the fuel
lines from the bottom of left stringer.
5. Find the A,B,C,D hollows from the trunk side and drill using 11. Enlarge theA,B holes from trunk
side to the dimension 18 mm through one wall.
6. From the bottom of chassis at the A point drill the hole 11 as shown on Fig. 1.
7. From trunk side in drilled holes A,B put the distance sleeves (7) then put the plate (4) and angle bar
(5).
8. From trunk side drill the holes E,F,G,H using the drill 11.
9. Attach the towbar mainframe (1) from the bottom and screw on using bolts M10x90 (10) with round
washers 10,5 (14), spring washers 10,2 (12) and nuts M10 (16) then screw on using bolts
M10x30 (9) with washers 30/ 10,5x3 (8), spring washers 10,2 (12) and nuts M10 (16).
10. Drill holes I and J using 11mm drill then screw on using bolts M10x30 (9) with washers
30/ 10,5x3 (8), spring washers 10,2 (12) and nuts M10 (16).
Note: During the drilling be careful not to damage the fuel lines.
11. Perform the undercut in the rear panel ( Fig. 1) and thermal shield (Fig. 3).
12. Install again the elements listed in points 2, 3, 4.
13. To the towbar mainframe (1) attach tow ball socket (3) and electrical plate (6) using bolts M12x25
(11) with spring washers 12,2 (13) and flat washers 13,0 (15).
14. Attach the tow ball (2) to the socket (3) according to the scheme.
Ø
Ø
Ø
Ø
ØØ
ØØ Ø
Ø
ØØ Ø
ØØ
Caution:
Different types of (2) may be attached to the (1) only if:
1.The adapted tow has its own information label with homologation number
2.D and S values are equal or higher than (1) values.
3.Tow ball centre-point is in aaccordance with the drawing
1. Towbar mainframe
2. Tow ball (ACS-2031)
3. Tow ball socket (ACS)
4. Plate
5. Angle bar
6. Electrical socket plate
7. Distance sleeve Ø17,3xØ12,5x52
8. Special washer Ø30xØ10,5x3
- 1 piece
- 1 piece
- 1 piece
- 1 piece
- 1 piece
- 1 piece
- 2 pieces
- 4 pieces
9. Screw M10x30
10. Screw M10x90
11. Screw M12x25
12. Spring washer Ø10,2
13. Spring washer Ø12,2
14. Flat washer Ø10,5
15. Flat washer Ø13,0
16. Nut M10
- 8 pieces
- 2 pieces
- 4 pieces
-10 pieces
- 4 pieces
- 8 pieces
- 4 pieces
-10 pieces
Typ: S-375
A50-X
E20 55R-01 3099
D = 4,3 kN
S = 50 kg
R = 600 kg
NOTE :
Bunch of wires is not included (in total price).
MONTAGE DIAGRAM :
TOW BAR FOR
®
®
FITTING AND OPERATION MANUAL
Suzuki Splash (only 1,2) -
Opel Agila (only 1,2) -
(2008 )
(04/2008 )
Please follow the installation fitting instruction below in order to ensure correct installation of the
towbar:
1. Rear bumper cutting and removing is required.
2. Remove the rear and side panels from trunk then loose the rear wheel arch cover.
46,5
338
2
3
6
11
13
15
11
13
15
5
10
4
1
9
8
12
16
9
8
12
16
7
12
16 7
12
16
14
14 10
14
14
A
B
J
I
C
D
G
E
H
F
9
8
12
16
9
14
12
16
Cat. No. S-375
After assembling of the tow bar S-375 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 .

Rys.1.
Fig.1.
S-375
Suzuki Splash -
Opel Agila -
(2008 )
(04/2008 )
®
®
Rys.2.
Fig.2.
Rys.3.
Fig.3.
Istniej¹cy otwór
Existing hole
Wierciæ
Drill
200
25