Alfa Laval FM-OS, Инструкция по эксплуатации

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5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section.
Lubricate the rubber seals before fitting them.
5.4 Assembly - single shaft seal
Step 1
1. Fit thrower (21) on pump shaft (26).
2. Fit the pump shaft on the motor shaft and lock it with pin (28).
3. Fit adaptor (4), washers (3) and screws (2).
4. Lubricate the external surface of the pump shaft.
Step 2
1. Lubricate O-ring (29).
2. Fit the O-ring on pump shaft (26).
CAUTION
Ensure that the driver on the drive ring enters the notch in the rotating seal ring.
Step 3
1. Lubricate the inner surface of rotating seal ring (27).
2. Fit spring (22) on the rotating seal ring.
3. Push the rotating seal ring over O-ring (29) as far as possible against the shoulder.
Step 4
1. Fit seal ring (25) and stationary seal ring (23) in back plate (9)
2. Fit nut (24), turn it anticlockwise and tighten.
Step 5
Fit back plate (9) together with the stationary shaft seal parts on adaptor (4).
Step 6
1. Fit impeller (6) with the rounded part of the hub outwards and turn it clockwise.
2. Check the clearance between back plate (9) and the impeller (0.8-1 mm).
Step 7
1. Lubricate O-ring (10) and fit it on back plate (9).
2. Fit pump casing (7).
Step 8
Fit yoke (5) and nuts (8).
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