5 Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly
Always useAlfaLavalgenuinespareparts.
Step 5
1. Supply compressed air.
2. Release compressed air.
3. Remove tool parts.
on
off
TD 449-029_1
Step 6
Inspect the seal to ensure it does not twist in the groove, and
press in the 4 outsticking points with a screwdriver!
TD 449-057_1
5.4 Upper plug, replacement of axial seal
Step 1
Remove old seal ring (56) using a knife, screwdriver or similar.
Be careful not to scratch the plug.
Step 2
Pre-mount seal ring as shown on drawing.
A
B
C
_1
TD 449-031_1
A = Flat side of sealing
B = Balanced plug
C = Do not lubricate behind the sealing
Carefully lubricate sealings with acceptable soap or lubricant,
before pre-mounting.
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