Maintenance
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04.00 | FDB | Assembly and Operating Manual | en | 389072
27. Press the pivot pin through the housing and into the gimbal
ring bearing (with the extended inner race). Note: The
undercut band on the pin must be oriented to the outside,
refer to the figure. The pin should be pressed in flush with
outside diameter of the housing.
28. Install the small set screw in the front face of the housing to
secure the pivot pin, torque to 0.67 Nm.
29. Lubricate the seal on the air supply fitting then thread the
fitting into the flat of the housing such that it enters the
bearing in the gimbal ring without the extended inner race.
30. Tighten the fitting to 0.28 Nm then loosen the fitting by 1/6
turn (1 flat of the hex key).
31. Lubricate and insert the seal that goes into the counterbore of
the air supply block, then fit the air supply block to the flat of
the housing.
32. Apply Loctite 7649 Primer® and Loctite 222® to the threads of
the two socket head cap screws that secure the air supply
block to the housing.
33. Secure air supply block to the housing with the two socket
head cap screws and torque to 2.8 Nm.
34. Apply Loctite 222 to the thread on the small set screw for the
air supply block.
35. Install the small set screw in the hole visible below/near the
spindle air supply port on the air supply block (torque to 0.67
Nm).
36. Fit the boot to the front of the housing aligning the holes in the
boot and housing.
37. Apply Loctite 7649 Primer® and Loctite 222® to the threads of
the six button head screws.
38. Install the retainer to the front of the housing and secure with
the button head screws (tighten to contact plus ½ turn).
39. Stretch the center of the boot slightly to fit the collar on the
motor, then install the garter spring from the front boot.
8.3.2.2 Air motor Replacement FDB 300 / FDB 340
1. Remove and/or lock-out the spindle motor air supply for
safety.
2. Disconnect the air hose from the spindle supply fitting and the
compliance air fitting.
3. Remove the deburring tool from the robot or work location.
4. Clean the debris from the deburring tool using compressed air
and a clean rag to wipe any grease from the outer surfaces.
5. Remove the brass plug or hex socket screw from the center of
the deburring unit's rear plate.
