Echo 73413S Owners Manual v.2 - Handbuch (Seite 15)

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9. Slide bushing onto shaft with flange against bearing
and lock bushing to shaft. Attach large pulley to
bushing. Replace drive belt on pulleys and lower
belt idler. Check alignment of pulleys and adjust
engine if needed.
10. Check belt tension before start-up. Adjust the
eyebolt that anchors the idler spring to adjust the
belt tension. Tighten the eyebolt until the belt
deflection at the center of the belt is 7/16" when a
20 lb. load is placed against the belt (see figure 5.7,
pg. 17).
11. Close cover and replace bolts.
12. Replace belt guard and resume operation.
13. Depress foot clutch pedal, start engine, release foot
clutch pedal to engage belt, and test unit. Readjust
pulleys and belt tension if needed.
3.8 Greaseable Bearings and Pivots
The chipper has three greaseable bearings and pivots
that require grease every 50 hours:
• Two bearings on the rotor shaft.
• One grease zerk on discharge chute.
3.9 Trailer Service Tips
1. Check wheel bolt torque every 10 hours of towing use.
2. Check air pressure in tires every 10 hours of towing.
3. Check and repack wheel bearings with grease every
12 months.
4. When towing, always connect the safety chains.
Make sure trailer hitch bolts are tight and secure.
5. Check trailer lights.