How to install lower sliders on 2008 ultra classic
Loosen the fork cap bolt from the fork tube plug at the top of the fork tube, but do not remove it at this time. THEN loosen the pinch bolt (with lockwasher) in the lower fork bracket, but do not remove it. THEN spray glass cleaner like Windex on the fork tube above the rubber fork stop and after so lubricating the surfaces move the fork stop up the fork tube until it contacts the bottom of the upper fork bracket. THEN, while holding the fork slider to prevent the fork from dropping, remove the fork cap bolt from the fork tube plug and slide the fork tube down and out of the upper fork bracket, the fork stop, the lower fork bracket, and the slider cover. THEN thread the fork cap bolt back into the fork tube plug to prevent loss of fork oil while handling the removed fork assembly. THEN move the fork to your work bench area and place a suitable drain pan on the floor underneath your vise. NOW or later you can similarly remove the other fork tube assembly.
IT IS HANDY to have a HD-41177 FORK TUBE HOLDER or similar tool.
On the first fork remove the nuts, the lockwashers, the flat washer and the axle holder from the studs at the end of the fork slider. THEN clamp end of a fork holder tool in your vise in a horizontal position with the tightening fasteners facing toward you and with the fork cap bolt at the top clamp the fork tube in between the rubber pads on the inside of the tool and tighten the fasteners to securely hold the fork tube assembly. THEN remove the fork cap bolt from the fork tube plug and remove and throw away the quad ring seal. Thenslowly unthread the fork tube plug from the fork tube being AWARE that the fork tube plug is under spring pressure which requires you to have a firm grasp on plug as the last thread is turned. THEN remove the O-ring from fork tube plug and throw it away. THEN remove the fork spring from the fork tube and remove the fork assembly from the fork tube holder. THEN turn the fork upside down and drain the fork oil into the drain pan by slowly pumping the fork tube and slider at least ten times being aware that the damper valve, if it has one, may fall out of the inverted fork tube while you are draining it. THEN With the wear ring at the bottom, i.e. with the spring side up, slide the damper valve back into the fork tube when it has been fully drained.
THEN for further disassembly install the fork spring back into the fork tube place a shop rag on the floor, and turn the fork assembly upside down and press the end of spring against the rag. Push down and compress the spring to prevent the damper tube from turning and then remove the6mm screw from end of fork slider with a strong short stroke impact wrench and 12 mm Allen socket adapter for best results. When the screw and washer are removed throw away the 6mm screw and copper crush washer. THEN remove the fork spring, the damper valve (if it has one) and the damper tube from fork tube. THEN remove the wear ring and the rebound spring from the damper tube and it has one, from the damper valve, if it has one. Then without expanding or stretching the retaining clip to avoid it becoming bent or distorted, remove it from the fork tube. THEN, using an appropriate pick tool, remove the retaining clip from between the fork slider and the fork tube and remove the fork tube from the fork slider. Use the fork tube as a slide hammerwith a moderate amount of force until the fork tube separates from the fork slider. THEN slide the fork oil seal, the slider spacer and the slider bushing off of the end of the fork tube and throw away the fork oil seal and the slider bushing. THEN gently pry at the split line to expand the fork leg bushing, and remove it from the groove at the end of the fork tube and throw away the fork leg bushing. THEN remove the lower stop fromthe fork slider.
THEN thoroughly clean and inspect all of the parts. And replace all parts that are bent, broken or otherwise obviously damaged. Inspect the fork cap bolt quad ring seal and the fork tube plug O-ring for cuts, tears or other signs of deterioration and replace whatever is necessary and/or prudent. THEN replace the retaining clip if bent or distorted and check the slider and fork leg bushings for scratches or excessive wear and always replace bushings in a set if either bushing is damaged or worn THEN also check the fork tube and the slider for scoring, scratches and excessive or abnormal wear and replace all parts as necessary and/or prudent. THEN set the fork tube on V-blocks and measure the runout using a dial indicator gauge and replace the fork if runout exceeds 0.008 in. (0.2 mm). THEN inspect the upper fork spring and the rebound spring for damage or distortion and replace the upper fork spring if the free length is less than 18.4 in. (467.3 mm) and replace the rebound spring if its free length is less than 0.938 in. (23.8 mm) or otherwise whenever the upper fork spring requires replacement.
To reassemble the fork coat the fork leg bushing ID with clean fork oil and then expand the fork leg bushing at the split line only so far as required to it slip over the end and into the groove of the fork tube. THEN install a new wear ring in the groove at the top of the damper tube and install the rebound spring on the opposite end. Now, with the wear ring on the top side slide the damper tube into the fork tube, so that the tube end drops through the hole at the bottom of the fork tube. Now install the lower stop at the end of the damper tube and put the fork slider back into your fork tube holder. THEN slide the fork tube into the fork slider. NEXT coat the slider bushing ID with clean fork oil and install the slider bushing down into the fork tube and then slide the slider spacer down the fork tube until it meets the slider bushing and then get your fork oil seal installer tool and it down the fork tube and drive the slider bushing and spacer into the bore of the fork slider and then remove the tool and THEN put some masking tape over the top edge of the fork tube to avoid damaging the lip of the fork oil seal during installation and then coat the new oil seal with new fork oil and install the seal with the garter spring facing into the fork tube and slide it down to the bore of the slider and the earlier installed spacer and then remove the masking tape and with your fork seal installation tool drive the seal down into the top of the slider until you can insert the retaining ring and then again remove the seal driver tool and install the retainer ring into its slider groove. NOW slide the fork spring into the tube and remove the fork assembly from your fork tube holder and with a shop towel or rag on the floor turn the assembly upside down and press the spring against the shop towel or rag and install a new 6mm screw with a new copper crush washer through hole at bottom of fork slider and start to screw it into the end of the damper tube. Continue to compress the spring into the assembly to stop the damper tube from turning and tighten the 6mm screw to 132-216 in-lbs (14.9-24.4 Nm). After this remove the fork spring from the fork tube and again clamp the fork slider (NOT THE FORK TUBE) into your fork holder tool with the fork tube on the top side and if it was previously removed install the drain plug at the bottom of the fork slider and tighten it to 72-96 in-lbs (8-11 Nm).
THEN refill with the correct amount of fork oil. It is very important for the correct and safe operation of the bike that the CORRECT amount of oil be installed. FOLLOW the correct procedures for doing this.