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Comet 20 Series

Torque Converter Parts

20 Series Drivers

Genuine Comet 20
Series Driver Clutches

Part Number

Description

Price

Add to Shopping Cart

219559A

DRIVER 3/4" BORE 20 SERIES

89.50


219560A

DRIVER 1" BORE 20 SERIES

99.50


Slides on the Engine Crankshaft.
Uses a 3/4" top width Symmetric 20 Series Belt.

20 Series Driven

Genuine Comet 20
Series Driven Pulleys

Part Number

Description

Diameter

Price

Add to Shopping Cart

219459A

DRIVEN 5/8" BORE 20S 6"

6"

89.50


219463A

DRIVEN 3/4" BORE 20S 6"

6"

89.50


219461A

DRIVEN 5/8" BORE 20S 7"

7"

89.50


219462A

DRIVEN 3/4" BORE 20S 7"

7"

89.50




Comet 20 Series


The Symmetrical Type Comet 20 Series uses a 3/4" top width belt. The belt mass lends substantially to the driving ability of the system especially in cases where added torque ability is required without danger of slipping the belt. The belt mass of 3/4" top width is especially helpful in applications of low speed, added power requirements such as tractor mowers, off road dune buggies, mini bikes, ATV's, and go karts. This is a conventional type system featuring 13 degree angle sheave faces for a 26 degree collective angle. Driven Units are mounted with torque sensing cam device inboard. Movable sheaves (driver and driven) operate opposite each other. Driven units are available with either 6" or 7" diameter sheaves.

How does a Comet torque converter work? The drive clutch is activated by centrifugal force from the engine crankshaft. The moveable sheave of the clutch is forced in as the RPM of the engine is increased. This contacts the drive belt. The drive belt will then be forced to a larger diamter within the clutch sheaves, thus pulling it to a smaller diameter within the driven unit sheaves. The moveable sheave of the driven unit is forced out, allowing the belt to seek its smaller, high speed ratio diameter. As this happens, the speed from the engine transferred to the final drive is increased.

IMPORTANT! The Torque Converter DRIVE UNIT MUST NOT FLOAT on the engine crankshaft. It must be bolted tight against the crankshaft shoulder. Recommended Torque for bolt: 24 ft. lbs. To 30 ft. lbs. MAX.

The crankshaft and the jackshaft must be parallel at all times.

Drive Clutch Engagement Range: MIN: 1200 RPM -- MAX: 3100 RPM

Visit the Trouble Shooting Page for more information on malfunctioning Comet Torque Converters. Belts eventually wear over time but a damaged or torn up drive belt always indicates that a problem exists with the system. Only replace your drive belt after the problem has been corrected. Components must be clean, lubricated and perfectly aligned to function properly.

Flyweight Assembly

Comet Spring and
Flyweight Assembly

Part Number

Description

Price

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200344A

SPRING AND FLYWEIGHT ASSY

29.50


Splined Hub

Comet Splined Hub
for 3/4" Bore Clutches

Part Number

Description

Price

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200376A

SPLINED HUB FOR 3/4 DRIVER

14.50


Bronze Bushing

Comet Bronze Bushing
For 3/4" Bore Clutches

Part Number

Description

Price

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200349A

BRONZE BUSHING (DRIVER CLUTCH)

9.80


Driven Snap Ring

Driven Pulley Snap Ring

Part Number

Description

Price

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G00120

RETAINING RING G2,G3 DRIVEN

5.50


Insert Buttons

Set of 3 Comet Insert Buttons

Part Number

Description

Price

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204332A

BAG OF THREE INSERT BUTTONS

7.00


For Driven Pulleys that use Six Black Buttons. All the black plastic insert buttons must be in place at all times. Don't run the system if any of the buttons are missing. Missing buttons will allow the driven pulley to open too far and the belt will go down into an area of the pulley where it's not supposed to go. If the belt comes in contact with the rivets it usually damages the belt. In addition, the buttons also keep the movable sheave from spinning, they reduce friction between the cam and the movable sheave and they prevent metal to metal contact, acting as shock absorbers. GLUE INTO PLACE WITH CONTACT CEMENT or EQUIVALENT.

Blue Spring

Comet 20 Series Spring

Part Number

Description

Price

Add to Shopping Cart

215698A

BLUE SPRING FOR 20 SERIES

22.50


Blue Driven Pulley Tension Spring. 3" long x 2" wide.


Torque Converter Maintenance


Inspect the torque converter on a regular basis for dirt, frayed belts and any other potential problem obvious from a visual inspection. Always service units before each season. Maximum service interval recommended is each 50 hours of operation.

Drive and driven pulleys should be parallel. Friction faces must be smooth and free of dirt, corrosion, oil or grease. Belt must be dry, straight, and free of cracks, breaks and uneven wear. Operating the vehicle in a dusty environment will require more frequent servicing.

Indicators of a torque converter system requiring cleaning and lubrication are erratic or jerky engagement upon acceleration and a tendency to apparently "lock" into a particular speed (a second cause of jerky engagement is an excessively loose drive chain). If either one of these conditions exist service the unit immediately. Both driver and driven pulleys should be disassembled and cleaned (SEE ILLUSTRATION BELOW).



C -- CLEAN ... L -- LUBRICATE


Use Dry Film Lubrication for all Torque Converters





Factory Authorized Comet Distributor