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Hummer Knowledge Base

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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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