Würth 1952 003 420 Traduction Des Instructions De Service D'origine page 28

DE
GB
The glow plug must be able to withstand high temperatures, high
FR
pressures, vibrations and attack of corrosive agents which develop
during the combustion.
NL
The tip of the glow plug must be positioned very precisely to ignite
the fuel.
ES
In fact it should not penetrate too deeply into the combustion
chamber as it may trigger the combustion incorrectly.
IT
For these reasons, the replacement is problematic and the glow
plugs easily break in their seat.
PT
• Specifications for use:
Dimension A ≥ 14 mm (M10x1)
Dimension A ≥ 20 mm (M8x1)
PL
Dimension L ≤ 13 mm
• L (thread)
DA
The use of this equipment requires attention and
care in positioning on the axis of the glow plug
to avoid problems on the head and to avoid the
EL
risk of breaking the tools; it can be helpful to use
as reference the inclination of adjacent glow plug
(small differences: ± 5 ° are not significant for the
final result).
IMPORTANT - During the drilling phase with
two-diameter drill (for the removal of the upper
threaded part of the glow plug), to preserve
the quality of the drill and increase its duration,
follow absolutely these notes:
- MAX number of revolutions: 200 revolutions/min
- After a few mm of drilling depth (1÷3 mm), remove the
drill and lubricate with cutting fluid, blow the seat of the
glow plug to remove the metal shavings.
- Carry on the drilling phase in this way till the complete
removal of the threaded part of the glow plug.
INTRODUCTION
Please read this manual before carrying out any operation.
It is compulsory to read this instruction manual before starting any
kind of action.
28
METHOD OF PREPARATION
1
2
Striking point of the bit-holder
Striking area of the engine glow
plugs seat
L
3
A
> 2 mm > 2 mm
For the drilling depth and
the choice of the bit with
2 diameters (for the next
step) follow the diagram
below. To have a limit point
of reference for the drilling
depth, we recommend the use
of adhesive tape.