42 DR® 18 and 19 HP ROAD-TOWABLE CHIPPER
Installing a New Clutch Assembly
If you have problems with the Clutch, we recommend replacing your Clutch as a complete assembly.
Tools and Supplies Needed:
• (2) 1/ 2" Wrench
• 9/16" Socket with Extension (18 HP)
• 5/8" Socket with Extension (19 HP)

• Anti-seize compound

1. Remove the Belt Guard and loosen the Engine Bolts as outlined in Steps 1 and 2 on page 35.
2. After you have loosened the Engine Bolts, remove the Drive Belts and set them aside.
3. Remove the Clutch from the engine crankshaft by removing the Clutch Bolt, Washer, and Spacer
(Clutch Bolt and Washer for the 19 HP, the Spacer remains on the shaft) and then slide the Clutch
Assembly from the crankshaft.
4. Remove the Key from the keyway in the engine crankshaft and set it aside.
5. Clean the engine crankshaft and remove any burrs, then apply anti-seize compound to the
crankshaft.
6. Install the Key in the keyway of the new Clutch hub, align the Key with the slot in the engine
crankshaft, and then slide the new Clutch Assembly onto the crankshaft followed by the Spacer,
Washer, and Clutch Bolt (Washer and Bolt for the 19 HP). Tighten the Bolt securely.
7. Reinstall the Drive Belts and set the Drive Belt tension and alignment per Steps 3 through 5 on page
35.
8. Reinstall the Belt Guard.