icedog75
Well-known member
Pressed in? I have the swing arm out to service bearings but bearings don't want to leave their home. FJR-Tech is silent on if/how to remove bearings. Any suggestions?
I've seen reference to using lithium soap based grease on the pivots, etc. How is this different from regular axle grease and why is it specified?I didn't have to replace mine; just serviced everything and buttoned it back up.
https://www.bikes-n-spikes.org/maint/sa/sa.html
Greases have a number of characteristics, one biggie is the Drop Point. When soap-based grease is heated until a critical temperature is reached the gel structure breaks down, and the grease becomes liquid. When grease is heated above the drop point and then allowed to cool it usually does not fully regain its grease consistency therefore it will not lubricate.I've seen reference to using lithium soap based grease on the pivots, etc. How is this different from regular axle grease and why is it specified?
Can wheel bearing grease be safely substituted for lithium soap based grease of a lower drop point? I assume the reverse wouldn't be true. Correct?Greases have a number of characteristics, one biggie is the Drop Point. When soap-based grease is heated until a critical temperature is reached the gel structure breaks down, and the grease becomes liquid. When grease is heated above the drop point and then allowed to cool it usually does not fully regain its grease consistency therefore it will not lubricate.I've seen reference to using lithium soap based grease on the pivots, etc. How is this different from regular axle grease and why is it specified?
Lithium-soap greases have very good stability and good water resistance. They have a buttery texture and are a brownish-red color. The 'soap' is actually a metallic salt resulting from the interaction of fatty acids or esters typically with an alkali. Lithium soap greases have a drop point of ~350ºF. LiSoap grease is a good general purpose lubricant/protectant for low temperature and wet environments.
Moly Paste has a non melting, lubricating base containing a high percentage of low-friction molybdenum disulfide. It is a thick paste type grease that has a temperature range up to 750°F when in contact with air. Moly paste 'plates' the work surfaces with moly disulfide which remains and protects working surfaces even if the grease gets squeezed out. Moly also fills microscopic voids in surfaces. Moly has a film strength of 300,000 psi and adheres tenaciously to metal surfaces. Moly paste is almost always blue to black in color. One last trait is that moly does not fling off at high speeds.
Wheel Bearing Grease is also a lithium complex grease which contains petroleum base oils. The primary application for it is in high temperature operations such as wheel bearings. It may be used at continuous operating temperatures up to 325°F. It prevents rust and corrosion, reduces wear, and provides extreme pressure protection. Dropping Point is ~500° F. Color typically white.
Down the slippery slope..... :lazy: :lazy: :lazy: :lazy: :lazy: :lazy: :lazy: :lazy: :lazy: :lazy:Can wheel bearing grease be safely substituted for lithium soap based grease of a lower drop point? I assume the reverse wouldn't be true. Correct?
Why are you removing them? Just pack them full of grease and reassemble.Pressed in? I have the swing arm out to service bearings but bearings don't want to leave their home. FJR-Tech is silent on if/how to remove bearings. Any suggestions?
Enter your email address to join: