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Page Title:
IGNITION LEADS AND SPARK PLUGS -- REPLACE |
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 TM 55-4920-426-13&P
IGNITION LEADS AND SPARK PLUGS -- REPLACE
3-162
3-162
This task covers: Installation
INITIAL SETUP
Equipment
Condition
Condition
Description
Personnel Required
Para
Leads and spark plugs
63B Wheel Vehicle Mechanic
removed
Tools
Materials/Parts
Ignition lead, No. 1 and No. 4 cyls.-Part
Kit, NSN 5180-00-545-8645
Spark plug cleaning machine
Number YD300-32
Ignition lead, No. 2 cyl.-Part
Number YD300-40
Ignition lead, No. 3 cyl.-Part
Number YD300-23
Spark plug, part number MS51009-1
INSTALLATION
a.
Set gap on spark plug to .030 of an inch.
b.
Install gasket on spark plug and thread spark plug into cylinder head, torque plug to 25-30 foot
pounds.
c.
Tighten nut on ignition lead at the magneto. Tighten nut finger tight and then tighten nut a minimum
of 3/4 turn more.
Tighten nut on the ignition lead at the sparkplug. Tighten nut finger tight and then tighten the nut a
d.
minimum of 1/3 turn more.
e.
Install access panel.
END OF TASK
3-221
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