Applies to machines built from: January, 2013
Replace the spindle drive belt if necessary. Install the new gearbox. Set the correct tension on the spindle drive belt. Refer to VMC - Drive Belt Tension - Gates Sonic Meter - Instructions. Install the components from the used gearbox in the opposite sequence that you removed them.
Torque the screws in a star pattern. Refer to Haas Fastener Torque Specifications. Use the value for iron.
Connect the cables and hoses you removed from the old gearbox. Make sure you have the correct wiring configuration for the spindle motor. If necessary, refer to Spindle Motor - Wiring Configurations.