All About Locktite

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The Hummer Knowledge Base

Misc./All About Locktite

Locktite

There was some talk about locktite being used on various parts and what the application is. Hope this helps.

**Here is Locktite's Chart**
Applications	242	271	290	640	PST
Color	Blue	Red	Green	Green	White
Fasteners	¼" to ¾"	#8 to 1"	#2 to ½"	N/A	up to 3"
Torque, in-lbs Break/Prevai	60/35	160/225	60/200	N/A	N/A
Cure, 3/8"- 16 Steel Fixture / Full (note 1)	20 min/ 24 hrs.	20 min/ 24 hrs.	10 hrs/24 hrs	4hrs/10 hrs	2 hrs./ 24 hrs.
Fixture w/Primer. (note 2)	5 min	5 min.	3 min.	N/A	N/A
Temp. Range Degrees F. (note 3)	-65 to 300	-65 to 300	-65 to 300	-65 to 400	-65 to 400
Use:	Medium Strength, applied before assembly.	High Strength, for threaded & slip fit joints. Applied before assembly	Medium Strength, applied AFTER assembly.	High Strength, applied before assembly.	Superior to Teflon tape, ensures leak-proof seal under harsh treatment.

note 1: Values cited are for "as received" steel nuts and bolts at 72 degrees F

note 2: LOCTITE Klean N' Prime, p/n 2556 cleans and conditions fasteners. The principle benefits of primers are shortened fixture times and increased breakaway torque. Primers do not significantly decrease full cure times.

note 3: Temperature range in degrees F is for continuous service.

From the Loctite 290 Card.

LOCTITE 290 works on metal parts. It is not recommended for plastics. Cured Locktite 290 Threadlocker must be sheared ( normal hand tools will do) before parts will separate. Use Locktite 290 to lock and seal carburetor adjustment screws, pre-assembled parts, adjustable components, welds and casting porosity.

Data provided by Mark Sailer msailer@ix.netcom.com http://www.netcom.com/~msailer/lior.html

HTML'ised by Malcolm Faed malc@ihug.co.nz http://homepage.ihug.co.nz/~malc/default.htm

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