Echo HCA-2620ES-HD Operator's Manual page 27

15/20-Hour Maintenance
1. Gearcase grease fittings
1. Outer tube
2. Gearcase clamp bolt
1. Drive shaft
3. Gearcase
4. Index bolt
Maintenance and care
Gearcase lubrication
1. Clean dirt from grease fitting.
2. Lubricate the cutter assembly gearbox by pumping one or
two strokes of lithium-base grease into the grease fitting us-
ing a lever-type grease gun.
 Over lubricating can cause the gearcase to operate
sluggishly and can cause grease to leak out.
Drive shaft lubrication
1. Loosen the gearcase clamp bolt.
2. Remove the index bolt from gearcase.
3. Remove the outer tube from the gear housing.
4. Pull the drive shaft from the outer tube, and wipe clean. Re-
coat with a thin coating 10 to 20 g, of lithium base grease.
5. Slide the drive shaft back into the outer tube, being careful
not to get dirt on the drive shaft.
6. Align the screw hole in gear case with the locating hole in
outer tube, install and tighten index bolt, and tighten gear-
case clamp bolt.
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CAUTION