Manifold (Rear View) Showing O-Rings - ABB AV3 Instruction Manual

REPAIR/REPLACEMENT PROCEDURES
4. Lift the manifold off the positioner.
5. Before replacing the manifold, make sure there are no deposits
on the bosses of the positioner or on the back of the manifold. If there
is, remove the deposits.
6. Replace the O-rings or clean them if they are in good condition
(Fig. 8-3).
O -R IN G S
T 00 78 1 A
Figure 8-3. Manifold (Rear View)
Showing O-Rings
®
7. Clean O-ring grooves and apply Dow Corning No. 4 or equiva-
lent lubricant to the O-rings.
8. Place the manifold in place on the positioner so it properly seats
on the bosses.
9. Insert the Allen screws and torque them to 3.5 Nm (31 in-lbs).
NOTE: Not all Allen screws are the same length.
10. To replace the filters and filter cover refer to MANIFOLD FIL-
TERS.
MANIFOLD
8 - 3