Belt Drives TFCH-180 User Manual
BELT DRIVES LTD.
PART#'s EV-180 & TFCH-180
CLUTCH HUB REMOVAL AND INSTALLATION INSTRUCTIONS
THE USE OF RED THREAD LOCKER IS CRITICAL DURING INSTALLATION OF
CLUTCH HUB AND BASKET ASSEMBLIES ONTO SPLINED TRANSMISSION
MAINSHAFTS
Once you have removed the Pressure Plate , Clutch Pack, Hub Nut, Then the Hub and Basket assembly
you will need to perform the following. You Must use a press of some sort to perform these steps. Read the
complete instructions first.
Reference Note* Clutch hub is the smaller center component that rides on the mainshaft. The clutch Basket is the
larger component that the belt rides on. Hub and basket are connected by a hub bearing, Hub bearing is pressed into
basket and then hub is pressed into hub bearing
HUB REMOVAL FROM BASKET
1. Support the basket from the inside around the outside of clutch hub using a 4.500 I.D. by 4.00 tall, round piece of
material.
2. Remove the clutch hub retaining ring.
3. Using another solid round 1.400 O.D. by 3.00 tall material or object, place it on top of the tail shaft of the hub
and press the hub out of the hub / basket bearing.
*Note: Failure to support the inside of the clutch basket can / will damage the basket, Do not support the clutch
basket by the ring gear.
HUB INSTALLATION TO BASKET & BEARING
1. Place clutch hub face down on a pedestal about 4" tall. Height can vary due to depth / width of
basket,
2. Place basket with installed hub bearing onto of the tail shaft of the clutch hub.
3. Using a piece of round material or object with an I.D. of 1.500 and an O.D. of 1.75 place on
the INNER RACE ONLY of the hub / basket bearing, now press down until basket assembly
makes contact with the bearing stop of the clutch hub.
*Note: Do not over press, as this can / will cause bearing damage.
4. Install retaining ring in groove in clutch hub tail shaft.
5. Hold onto clutch hub, Spin basket to see if hub bearing is ok, No jumping, rumbling, ETC.
HUB & BASKET INSTALLATION TO SPLINED 1990 - UP MAINSHAFT
1. For final assembly, Verify that all foreign material is removed from transmission mainshaft
splines and threads.
2. Apply a generous amount Red Thread locker #271 into the first 1" of the splines on the
transmission mainshaft and into the first 1" of splines "backside" of the clutch hub. Over
application may cause the thread locker to affect the operation of the hub bearing.
* Note: The excess thread locker will move to the uncoated areas of the mainshaft and hub
splines.
3. Apply Red Thread Locker #271 to the threads of the mainshaft.
4. Install and Torque clutch hub nut to spec. 70-80 FT. Lbs.
5. Do not start motorcycle for 24 hours, As this is the full cure time of the red thread locker.
*Special Note: Thread lockers have a shelf life of up to 24 months unopened, Once used the cap
must be replaced immediately, The degradation starts as soon as you open the bottle, The
deterioration directly effects the strength of the thread locker.
FAILURE TO FOLLOW THESE STEPS CAN / WILL LEAD TO PREMATURE
COMPONENT FAILURE AND VOID ANY PRODUCT WARRANTIES