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5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.
: Relates to the shaft seal.
Step 4
1. Fit O-ring (12) on stationary seal ring (11) and lubricate
2. Screw the stationary seal ring into the 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”.
Step 5
1. Clean the sealing surfaces with contact cleaner before fitting
the back plate (25)
2. Carefully guide the back plate onto the adapter (16)
3. Fit washers (21) and nuts (20)
Step 6
Lubricate O-ring (26) and slide it onto back plate (25).
Step 7
1. Lubricate O-ring (38) and fit into impeller (37)
2. Lubricate impeller hub with silicone grease or oil
3. Screw the impeller onto the stub shaft (7)
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