Maintenance
42
02.01|FDB 150, 300, 340, 660, 900, 1040 |en
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.
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.
6 Remove the spindle air supply fitting from the side of the
housing by rotating it counter-clockwise.
7 Ease the garter spring off the front spindle boot.
8 Remove the socket head cap screws that secure the rear hous-
ing cover.
9 Remove the rear cover and withdraw the air motor complete
as an assembly. Retain the small o-ring and dowel pin located
between the cover and housing for reuse. Motors are availa-
ble from SCHUNK as a complete subassembly. Refer to
10 Reassembly is the reversal of these steps noting the following
important steps.
Insure that the small o-ring and dowel pin are in place on
the housing before fitting the rear cover.
Apply light-weight, liquid thread locker (Loctite™ 222 or
equivalent) to the socket head cap screws and tighten to se-
cure the rear cover.
Install the spindle air supply fitting in the air motor using
non-hardening thread sealant.
Insure that the spindle air supply fitting is centered in the
housing (side boot) opening before tightening the fastener
in the pivot post.
8.3.2.2
