8 MAINTENANCE AND SERVICE
LACO Technologies
TITAN VERSA Operations and Maintenance Manual
155
1.
Uninstall the MVP-030 pump from the TITAN VERSA (see Removing the MVP-030
).
2.
Unscrew banjo bolt using an open-end wrench. Loosen connecting hose only from
the top (see picture above).
3.
Unscrew cylinder head screws (six screws) at the pump head and remove housing
cover; be mindful of the position of the valve seals. If necessary, take a picture of
the original position of the valve seals.
4.
If the valve seals stick to the housing cover, carefully loosen the seals. Otherwise,
remove the valve seal from the head covers.
5.
Replace damaged valve seals.
6.
Remove head cover.
7.
Either clean all parts and inspect for wear or install new diaphragm.
Replacing Diaphragms
1.
Carefully raise the diaphragm from the side, taking care to not cause any damage.
Do not use sharp-edged tools.
2.
Slide diaphragm key (P/N: PFP0995941) under the diaphragm until it reaches the
support disk.
3.
Use the diaphragm key to loosen the diaphragm support disk and unscrew together
with diaphragm and diaphragm clamping disk (see picture below).
4.
Detach diaphragm support disk and diaphragm from the square head of the
connecting screw of the diaphragm clamping disk. If it is difficult to separate the old
diaphragm from the diaphragm support disk, use methanol to loosen it.
