Vedeneyev M-14P, Maintenance Manual

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TO M-14P MS T A S K C A R D No- 202 PAGE(S) 205, 206
MS ITEM
PROCEDURE
: Installation
OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE
ACTIONS
CHECKE
D BY
1. Inspect the spark plug*
HOTS: The spark plugs delivered in -the Supplier's packaging are installed on the engine
without pre-testing on the instrument,
CAUTION: 1. DO HOT HE-USE SHE SPARK PLUG SEALING RING. 2. INSTALL ONLY
Olffi SEALING RING UHDER THE SPARK PLUG.
3. WHLN INSTALLING THE THERMOCOUPLE SENSOR UNDER THE SPARK PLUG,
DO NOT INSTALL THE SEALING RING.
2, Install the copper-asbestos sealing ring on the spark plug.
T.R. The ring should "be clean, smooth,without nicks or burrs*
3. Coat the threaded portion of the spark plug with grease ST (NK-50) to protect against
burning.
CAUTION : WHEN COATING THE SPARK PLUG WITH GREASE ST (1JK-50). ENSURE
AGAINST INGRESS OF GREASE INTO THE NOSE SPACE A:fl) ELECTRODES OF THE
SPARK PLUG.
4. Drive the spark plug finger-tight into the engine cylinder bushing.
CAUTION: 1. AVOID STRIKING THE '.VRENCH OR SLIPPING OF THE V/RENCH
FROM THE SPARK PLUG.
2. NEVER ECTEM) THE WRENCH HANDLE BAR OR USE '.TRENCHES IVITH
DAMAGED FACES WHEN INSTALLING THE SPARK PLUGS.
3. TORQUE APPLIED TO INSTALL THE SPARK PLUG SHOULD NOT EXCEED 3 TO 4
kgf-m.
5. Tighten the spark plug with a special wrench,
Replace damaged ring