Wheel SyStemS Service Manual Bearing Adjustment
Wheel Systems Service Manual Bearing Adjustment ROLF PRIMA SERVICE MANUAL FRONT HUB : 2004 – 2014 VIGOR, ÉLAN, DAUPHINÉ, TANDEM, TT, TDF, ARES, 4CX, 58CX, 38CX, VCX, RALOS, RAGE; 2004 -2007 ASPIN & ECHELON STEP 1. Loosen each of the 3 set screws ½ turn Set Screw STEP 2. Remove the adjustable side end cap Access Hole Adjustable End Cap 1. Loosen the three (3) set screws by inserting a 2mm Hex wrench in the access hole in the hub shell. For 2007 and earlier models, the hub will have one (1) set screw and the access hole may be on the hub shell outboard of the flange (not shown). For 2007 and later models, the access hole will be through the outer diameter of the flange (shown). 2. Remove the adjustable side end cap from the hub. If needed, thread a M6 bolt into the adjustable side end cap and pull on the bolt for a better grip, or drive the end cap out with a drift. Once the adjustable side end cap is removed, the adjustment collar will be visible. Push and hold Adjustment Collar STEP 3. Push on Adjustable Collar and Non-Adjustable Side End Cap to Remove Bearing End Play Non-Adjustable Side End Cap Figure 8 Push 3. Place the wheel on a work surface with the non-adjustable side end cap facing downward. Push downward on the hub to ensure that the non-adjustable end cap is fully seated against the hub bearing. Push the adjustment collar inward, ensuring it is fully seated against its hub bearing. STEP 4. Replace Adjustable Side End Cap STEP 5. Tighten Set Screws Adjustable Side End Cap 4. Replace the adjustable-side end cap carefully, so as not to move the axle or adjustment collar. Hold the non-adjustable-side end cap to prevent movement. 5. Tighten the set screws. Check adjustment. If bearing play remains, repeat the above steps. This can also be performed without removing the adjustable side end cap if you are careful to push on the adjustment collar and not the adjustable side endcap. 2 150 Shelton McMurphey Blvd., Ste 101, Eugene, OR 97401 USA • 541.868.1715 • Fax 888.851.3748 • www.rolfprima.com ROLF PRIMA SERVICE MANUAL REAR HUB 2004 – 2014 VIGOR, ÉLAN, DAUPHINÉ, TANDEM, TT, TDF, ARES, 4CX, 58CX, 38CX. VCX. RALOS, RAGE; 2004 –2007 ASPIN & ECHELON STEP 1. Loosen 3 set screws ½ turn STEP 2. Remove Adjustable End Cap Figure 10 Adjustable Side End Cap Access Hole 1. Loosen each of the three set screws ½ turn by inserting a 2mm hex wrench in the access hole in the hub shell. 2. Remove the adjustable side end cap from the hub. If needed, thread a M6 bolt into the adjustable side end cap and pull on the bolt for a better grip, or drive the end cap out with a drift. With the adjustable side end cap removed, the adjustment collar is visible. STEP 3. Push on Adjustment Collar and NonAdjustable Side End Cap Figure 12 Push Adjustment Collar Adjustable Side End Cap Non-Adjustable Side End Cap Push 3. Apply inward pressure on the non-adjustable side end cap and the adjustment collar simultaneously; making certain both parts are contacting the hub bearings. It is not necessary to maintain pressure. STEP 4. Replace Adjustable Side End Cap 3 150 Shelton McMurphey Blvd., Ste 101, Eugene, OR 97401 USA • 541.868.1715 • Fax 888.851.3748 • www.rolfprima.com ROLF PRIMA SERVICE MANUAL 4. Replace the adjustable-side end cap carefully, so as not to move the axle or adjustment collar. Hold the non-adjustable-side end cap to prevent movement. 5. Tighten the three set screws. If bearing play remains, repeat the above steps. FRONT AND REAR HUBS: 2008 – 2014 ASPIN AND ECHELON (INCLUDING SL MODELS), 58RSC, 38RSC, ECX, RALOS XR, RAGE XR; 2006 – 2007 APEX & TEMPO These hubs have no bearing adjustment. Axle end play typically indicates worn bearings or axle. Inspect these parts and replace as needed. See the bearing replacement instructions in this manual. 2003 MODEL ÉLAN AND VIGOR FRONT HUB These hubs have no bearing adjustment. Axle end play typically indicates worn bearings or axle. Inspect these parts and replace as needed. See the bearing replacement instructions in this manual. 2003 MODEL ÉLAN AND VIGOR REAR HUB [refer to diagram below] Axle End Cap Locknut (19mm) Adjustable Nut (19mm) External Bearing Seal 1. Place the hub into an axle vise with free hub body facing downward. 2. Using the two 19mm wrenches, loosen the axle lock nut and adjustable nut so that both move freely. 3. Tighten the adjustable nut until it just contacts the bearing. Using the two 19mm wrenches as before, hold the adjustable nut while turning the lock nut tightly up against it. 4. Rotate the axle to feel for tightness plus axle end play. If too tight, repeat procedure but loosen adjustable nut slightly. If too loose, tighten adjustable nut slightly. 4 150 Shelton McMurphey Blvd., Ste 101, Eugene, OR 97401 USA • 541.868.1715 • Fax 888.851.3748 • www.rolfprima.com
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