
9.2 Remounting a single mechanical shaft seal
with grease container
• When fitting a shaft seal with grease reservoir, follow
steps 1 to 9 in §
REPLACING A SINGLE MECHANI-
CAL SHAFT SEAL -
Reassembly
.
• Check and change seals as necessary
646
(1) and
647
(1). Be sure to fit the seal
647
, with its lip facing the side
opposite the shaft exit.
• Slide the cover
645
and seals
646
and
647
onto the
shaft
501
, facing the lubricator thread
644
downward
and the breather valve
643
upward, then tighten the
screws
729
and nuts slightly
730
.
• Follow step 12 in § REPLACING A SINGLE MECHANICAL
SHAFT SEAL -
Reassembly
, then :
• Fit the lubricator
644
and breather
643
.
• Unscrew the 2 screws
729
and push the cover
645
out-
ward.
• Using a grease gun, fill the interior of the shaft seal hol-
der
601
and the cover
645
with grease, driving out as
much air as possible, then tighten the 2 screws
729
.
• Use the lubricator to fill the reservoir with grease
644
up
to the edge of the breather
643
.
9.2.1 Filling the grease container 645 (on pumps
that have one)
Every 500 hours of operation : fill the grease container
up to the edge of the breather
643
.
35/45
NT 1008-D00 08 18 P BI series e
9. SHAFT SEAL (continued)