MAHLE RTI NTO-200 (REV A) - Manual (Page 10)

9
REPLACING MEMBRANE CARTRIDGE
When the cartridge’s usable life is diminished, (code E6 will be on the
display) it will need to be replaced.
Disconnect air supply from NTO-200 (Figure 5) and remove Nitrogen fill
hose from end of cartridge. Next, unscrew locking ring from grip (Figure
6) and remove cartridge from grip cautiously (Figure 7). Use caution
when removing the cartridge as to not damage electrical contacts.
Remove gasket from grip and insert replacement. Make certain gasket
is correctly placed in the profile of the grip to obtain best seal (Figure 8).
When installing replacement cartridge, ensure that key on side of
cartridge is aligned with groove inside grip.
Carefully push cartridge into grip and use lock ring to hold in place. The
lock ring must be fully engaged before continuing use of product. Make
sure the lock ring is completely tightened to ensure proper nitrogen
purity. Insufficient tightening will lead to a reduction in nitrogen
purity.
Remove nitrogen fill hose from old membrane and reconnect to new
membrane. Torque fitting to 15 ft-lbs.
Figure 5 Figure 6 Figure 7 Figure 8
Confirm the key is
aligned with groove
inside grip before
tightening lock ring.