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wheel bearing advice |
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LouSWPA
Orange Level Access Joined: 11 Sep 2009 Location: Clinton, Pa Points: 24033 |
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Posted: 25 Mar 2024 at 5:15pm |
any advice on installing new wheel bearings? I always just run the nut down by feel, just until I feel resistance, spin the wheel several turns in each direction, snug i little more, repeat, and then turn nut tighter to the next available cotter pin slot.
However, recently, I was told by a commercial truck garage manager that they are required to use manufacturer torque specs. Never heard of that! So I am working on an equipment trailer, 10k GVW. Wonder where I would get specs for it. Anybody ever hear of this? I'm the quintessential 'shade tree mechanic', so maybe it's always been that way and I am to dumb to know any better.
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I am still confident of this;
I will see the goodness of the Lord in the land of the living. Wait for the Lord; be strong and take heart and wait for the Lord. Ps 27 |
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Les Kerf
Orange Level Joined: 08 May 2020 Location: Idaho Points: 632 |
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I have always done it by feel, however: From a Timken manual: Use a torque wrench to tight- en the adjusting nut to 50 ft. lbs. while turning the rotor. Back off the adjusting nut 1 full turn. Then retorque the nut to 10 ft. lbs. while turn- ing the rotor. Next, back off the adjust- ing nut 1⁄4 turn. Lock the nut with a new cotter pin. 8 Check bearing adjustment Use a dial indica- tor to measure end play. Mount the indicator base as close to the center of the hub/rotor as possible. With the indicator tip against the end of the spindle, set the indicator at zero. Grasp the rotor at three o’clock and nine o’clock. Push the rotor in while oscil- lating and read the dial indicator. Then pull the rotor out while oscillating and read the dial indicator again. The bearing end-play is equal to the total indicator movement, which should be between 0.001” and 0.007”. If not, repeat steps 7 and 8. |
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Hubert (Ga)engine7
Orange Level Joined: 12 Sep 2009 Location: Jackson Cnty,GA Points: 6142 |
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We had to use the high torque, spin, loosen and retorted to a lower setting on all aircraft wheel bearings. I use the same procedure on every wheel bearing I install now. The overtorque and spin seats the bearing and race and then you loosen it and get the correct torque. Your wheel bearings will last a lot longer if well lubricated and installed to specification.
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Just an old country boy saved by the grace of God.
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jaybmiller
Orange Level Access Joined: 12 Sep 2009 Location: Greensville,Ont Points: 21562 |
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Man I'd PAY to have a Timken guy come and do that procedure to all 4 hubs on Lou's trailer, especially to see that last part !!!!
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4419 |
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Gary
Orange Level Access Joined: 13 Sep 2009 Location: Peterborough,On Points: 5179 |
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Here is a Link to a Video produced by Dexter - a large float and RV Axle manufacturer. This video illustrates the proper procedure for servicing or replacing axle bearing components. The required final bearing torquing starts at time 5:55. G https://www.youtube.com/watch?v=GnH-h3W9XvI .................................................................. Sorry Curt - I locked in to 'Reply' and then went to find the link. Gary Edited by Gary - 25 Mar 2024 at 7:22pm |
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LouSWPA
Orange Level Access Joined: 11 Sep 2009 Location: Clinton, Pa Points: 24033 |
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thanks guys, that helps
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I am still confident of this;
I will see the goodness of the Lord in the land of the living. Wait for the Lord; be strong and take heart and wait for the Lord. Ps 27 |
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LouSWPA
Orange Level Access Joined: 11 Sep 2009 Location: Clinton, Pa Points: 24033 |
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I am still confident of this;
I will see the goodness of the Lord in the land of the living. Wait for the Lord; be strong and take heart and wait for the Lord. Ps 27 |
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Les Kerf
Orange Level Joined: 08 May 2020 Location: Idaho Points: 632 |
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From Hyatt Wheel Bearing Adjustment Guide: 3. After the wheel hub and bearings are assembled on the spindle, torque the inner adjusting nut while rotating the hub assembly. 4. Back off the inner adjusting nut one full turn while rotating the hub assembly. 5. Re-torque the inner adjusting nut while rotating the hub assembly. 6. Back off the inner adjusting nut. This amount depends on the axle type and threads per inch of the nut. 7. Install the locking washer. 8. Install and torque the outer jam nut. This torque value depends on axle type,
threads per inch of the nut and nut size. 9. Verify end play with a dial indicator. Edited by Les Kerf - 25 Mar 2024 at 11:52pm |
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 29661 |
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Been installing grease and oil filled hubs as noted by snugging down by while rotating then backing off and returning to just snug then backing to first cotter pin slot on single nut axles for over fifty years. As to lock nut axles with a locking washer either folded or pin locked repeat same practice but leave just off snug for inner nut set lock and tighten outer nut against lock, always snugged back up as tightened the outer on their own. Not ever had a seal or bearing failure assembling that way.
New design I ran into on my KW was preloaded with a Crush Sleeve axle bearings on it. Drives torqued to 350 lbs and set lock nut, steers to 250 lb, rolled free but was different. Sleeve replaced at every hub removal with new seal install was the information I attained fir these. Edited by DMiller - 26 Mar 2024 at 3:36am |
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