TapFlo Guardian system Mk3.1, Operation & Maintenance Manual, Page: 39 / 44

MAINTENANCE
Issue : 020913-B TPUK-GU31X 37
Routine inspection
Routinely check the function and set up, as normal wear can affect
performance. To check set up; follow the instructions in the application
specific sections of this manual.
The unit maintenance free.
Complete inspection
Before dismantling the Guardian be sure to
•
Drain all liquid from the system.
•
Cleanse or neutralize the Guardian thoroughly.
•
Disconnect the air supply
Dismantling procedure (See Fig. SP-01)
1.
Undo tie rods and remove air-side assembly from the fluid-
side of the Guardian.
2. Inspect the diaphragm surface for damage.
If the diaphragm is undamaged reassemble the guardian and
perform the set up procedure detailed in this manual.
If the diaphragm is damaged there is a possibility the media
has penetrated the internals of the guardian air side, causing
damage to the seals, etc’.
DO NOT RETURN TO SERVICE.
Please consult Tapflo (UK) regarding replacement parts.
Assembling the Guardian
1.
Replace the air side with the fluid side.
2. Equally tighten the tie-rods Fig.MA-01 (11) to the torque
detailed in the table below.
Tightening torques
Aluminium
316L
PTFE (conductive)
3.8Nm