Würth 1952 003 420 Traduction Des Instructions De Service D'origine page 31

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If necessary, in the case part of the central electrode should

remain, take the conical driving sheath (among the two

provided with inner hole Ø2,7 - Ø3,6) and put it on the

remained part of electrode (fig. 12).

Reference codes: 1952 003 204, 1952 003 205

Use the extension + bit suitable (among the two supplied with tip

Ø2,7 or Ø3,6) to remove the portion of the electrode remained

(fig. 12).

Reference codes: 1952 003 206, 1952 003 207

Tools required: Electric/pneumatic drill

Make the pilot hole for the extraction of the glow plug (fig. 13)

using the long cylindrical spiral bit Ø5,5 (M10) or Ø4,5 (M8)

included in the kit.

Reference codes: 1952 003 209, 1952 003 208

Tools required: Electric/pneumatic drill

Use the extension + bit with 2 diameters and begin the drilling

operation, taking care to drill in small sections (1 to 2 mm) and blow

to remove the metal shavings, until the bit reaches the stop shoulder

and removes completely the threaded part of the glow plug.

In this way you have removed the upper part of the glow plug

(fig. 14).

Reference codes: 1952 003 212, 1952 003 213, 1952 003

210, 1952 003 220

Tools required: Electric/pneumatic drill

If necessary (engine size) use the extension for

bit-holder code 1952 003 220.

Use the ¼ -28 UNF male (M10) or 12-28 UNF male (M9, M8) +

extension and start the manual threading operation for removing the

spark plug (fig. 15).

Reference codes: 1952 003 249, 1952 003 215

Tools required: Ratchet wrench

To renew the thread for the new glow plug which will be mounted,

use the included male + extension (fig. 16):

• M10x1

• M8x1

Reference codes: 1952 003 218, 1952 003 233

Tools required: Ratchet wrench

1952 003 440 1952 003 570 1952 003 590