Alfa Laval LKH Prime 20, Инструкция по эксплуатации

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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 Assemby of pump/double mecanical shaft seal
Step 1
1. Fit O-rings (15) in rotating seal rings (14).
2. Fit spring (13) on one of the rotating seal rings (14) and place the drive ring (52) in between.
Step 2
1. Fit the second rotating ring (14) on the other end of the spring.
2. Place the parts on the stationary seal ring fitted in back plate
(25).
NOTE
Ensure that both drive pins on the drive ring enter the notches in
rotating seal rings.
Step 3
1. Lubricate O-ring (44) and slide onto seal housing (40a).
2. Lubricate O-ring (50) and fit on stationary seal ring (51) and fit
this in the seal housing.
Step 4
1. Fit O-ring (12) on stationary seal ring (11) and lubricate.
2. Screw the stationary seal ring into back plate (25).
CAUTION
Only tighten by hand to avoid deforming the stationary seal ring.
(Max. 7 Nm/5 lbf-ft)
Use the tool
supplied
Left hand
thread!
*) NOTE! : If fitting SiC/SiC single seal, the
static seal face must be marked “LKH Prime”.
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