Alfa Laval LKH Series, Инструкция по эксплуатации

Страница: 35 / 76

5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
Lubricate the rubber seals before fitting them.
: Relates to the shaft seal.
5.5 Assembly of pump/flushed shaft seal
Step Step Step 1 1 1
Flushed Flushed Flushed shaft shaft shaft seal: seal: seal:
LKH LKH LKH---5 5 5 to to to ---60 60 60 use use use ø63mm ø63mm ø63mm tube tube tube
LKH LKH LKH---70 70 70 to to to ---90 90 90 press press press in in in lip lip lip seal seal seal by by by hand hand hand
1. Fit lip seal (43) in seal housing (40).
2. Lubricate O-ring (44) and slide onto the seal housing (40).
3. Fit the seal housing on back plate (25) and tighten screws
(41).
Note Note Note
If change from double mechanical shaft seal to flushed shaft
seal the shaft needs to be adjusted. see Section 5.7 Adjustment
of shaft (LKH-5) and Section 5.8 Adjustment of shaft (LKH-10
to -90).
Use ø63 mm tube!
Step Step Step 2 2 2
1. Lubricate O-ring (45) and fit it in drive ring (10).
2. Fit spring (13) and rotating seal ring (14) on the drive ring.
CAUTION CAUTION
CAUTION
Ensure that the driver on the drive ring enters the notch in the
rotating seal ring.
Step Step
Step 3
3
3
Fit complete shaft seal on stub shaft (7) so that Connex pin (8)
on the stub shaft enters the notch in drive ring (10).
Step Step Step 4 4 4
1. Carefully guide back plate (25) onto adaptor (16).
2. Fit washers (21) and nuts (20).
35