Maintenance
8.3.4.3 Ring Cylinder Assembly FDB 990 / FDB 1040
Spindle Supply Fitting Assembly
Tapped Hole for
M4 Socket Head cap Screws
O-rings
Compliance Air Fitting
M4 Socket
Head Cap Screws
Rear Housing
Ring Cylinder
M4 Socket
Head Cap Screws
Front Housing Assembly
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. Using a 2 mm Allen wrench, remove the M4 socket head cap
screws (6x) securing the rear housing to the front housing.
6. Remove the rear housing.
7. Using a 2 mm Allen wrench, remove the M4 socket head cap
screws (3x) securing the ring cylinder assembly to the rear
housing.
8. Place the removed M4 screws in the tapped holes in the ring
cylinder body and tighten them slowly and equally, so they
push the ring cylinder assembly out of the rear housing.
9. Apply a thin film of grease or oil to the housing bore where the
ring cylinder seats prior to installation.
10. Insert the new ring cylinder assembly into the rear housing.
Align the ring cylinder assembly using the mounting screws
prior to pressing the ring cylinder in the bore.
11. Apply Loctite 222 to the M4 socket head cap screws (3x).
12. Place the M4 screws in the through holes in the ring cylinder
body and tighten them slowly and equally using a 2 mm Allen
wrench, so they pull the ring cylinder assembly into of the rear
housing.
IMPORTANT! Be sure O-ring stay properly seated
into grooves. Tighten to 2.82 Nm.
13. Assemble the rear housing to the front housing.
51
04.00 | FDB | Assembly and Operating Manual | en | 389072