dlerdmann1185
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Posts posted by dlerdmann1185
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On 6/30/2021 at 9:38 PM, yarnall said:
I have a 1951 405A. Ā I believe the rear bearings were on grease and my father converted them to oil. I will try to remember to ask him. My father has a 1941 Type 45 and 55 but we have not had them apart yet. Ā Michael.Ā
Thanks for the infoĀ
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3 hours ago, terry said:
Some of the early mack wheel bearings had a inner seal to separate inner and outer bearings, the inner was packed with grease and the outer run in gear oil. most guys just knocked out the inner seal and run oil in both bearings.Ā Ā terry
Thanks for the info!
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ām currentlyĀ in the process of restoring a model 45 that hasbeen sitting in our fire departments storage for quite some time. Iāve had to completely remove and Ā disassemble every component of theĀ braking system due to leaks and corrosion issues in the hydraulic components. In doing this, I obviously had to remove all the wheel assemblies. When I popped the passenger rear axle loose, a small amount of gear oil ran out. I popped the axle back in and proceeded to drain the gear oil. I removed the fill plug first and stuck my finger in the hole and didnāt get any fluid. I pulled the drain plug and got about 4quarts out of the chunk. I removed the axles and wheel assemblies and found that the bearings were packed with bearing grease, but there was also gear oil mixed in with thegrease. My question is, wereĀ the rear wheel bearings originally wet bearings or did someone previously pack the bearings with grease by mistake? I also need to know thetype of gear oil used in the rear end. Thank you for any helpyou might be able to provide.
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On 6/30/2021 at 8:10 PM, 609albert said:
try posting your question(s) on the Antique forum for more responseĀ
Will do. Thank youĀ
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Iām currently in the process of restoring a model 45 that has been sitting in our fire departments storage for quite some time. Iāve had to completely remove and Ā disassemble every component of theĀ braking system due to leaks and corrosion issues in the hydraulic components. In doing this, I obviously had to remove all the wheel assemblies. When I popped the passenger rear axle loose, a small amount of gear oil ran out. I popped the axle back in and proceeded to drain the gear oil. I removed the fill plug first and stuck my finger in the hole and didnāt get any fluid. I pulled the drain plug and got about 4 quarts out of the chunk. I removed the axles and wheel assemblies and found that the bearings were packed with bearing grease, but there was also gear oil mixed in with the grease. My question is, wereĀ the rear wheel bearings originally wet bearings or did someone previously pack the bearings with grease by mistake? I also need to know the type of gear oil used in the rear end. Thank you for any help you might be able to provide.
1947 Mack model 45 rear end specs/questions.
in Fire Apparatus
Posted
Thanks for the info š