Model 612RBL-G2 thru 642RBL-G2 Clamshells
92-1739 Rev. 220506
15
Storage
Before you store the Clamshell or take it out of service for 30 days or more, clean
it, lubricate it, and spray it with a rust preventative.
Adjust the 90° Vee Bearings Pre-Load
CAUTION
CAUTION: You must adjust the vee bearings according to these instructions to decrease
the risk of excessive machine wear or damage that would void the warranty.
1. Loosen the Bearing Lock Screws and Adjustment Eccentric Nuts, about 1/4
turn, refer to Figure 3.
2. Tighten the four Bearing Adjustment Eccentric Nuts until the tight.
3. Center the OD of the gear with the OD of the housing.
4. Lightly turn in the remaining Bearing Adjustment Eccentric Nuts until the
bearings contact the Headstock. The safe torque range on the Bearing
Adjustment Eccentric Nuts is 1 in-lbs (.1 Nm) to 3 in-lbs (.3 Nm).
5.
Loosen the four Bearing Adjustment Eccentric Nuts and tighten them so the
bearings are evenly loaded against the gear race.
CAUTION
CAUTION: Do not overtighten the Bearing Adjustment Eccentric Nuts. This accelerates
bearing and gear race wear and decreases available power.