4. INSTRUCTIONS
4.1.
With reference to the replacement glow plug, find the matching drilling guide and screw into the glow plug port.
4.2.
Determine the length of the broken portion as in fig.2.
4.3.
Place the appropriate drill (2.5mm for M8, 3.3mm for M10) in a drill and, using the drill guide (fig 1.1), drill into the broken glow plug
element to a depth of approximately 10mm if the broken stub is long enough (fig 3).
4.4.
Select the appropriate tap and cut a thread into the broken glow plug element ensuring the tap is turned back frequently to clear
swarf away from the cutter. (fig.4). Ensure a good quality cutting fluid such as Sealey SCSCF400 is used when cutting the thread.
fig.2
fig.3
V
S315 Issue 2 (4) 21/05/20
Original Language Version
© Jack Sealey Limited
fig.4
