50840 Series Low Pressure Centrifugal Pump
Dis - Assembly
Re - Assembly
3
1
Disconnect
pump from
power supply.
Remove 3 end
cover bolts, end
cover & o-ring.
2
Carefully
holding impeller,
remove impeller
nut.
3
Remove
impeller.
4
Loosen 2 head
fixing bolts,
rotate pump
head and pull to
remove.
5
Remove seals
from pump
body.
6
Wet the flat seal
part and cup
rubber and push
into head.
7
Fit head to motor
locking into
position and
tighten head
fixing bolts.
8
Lubricate inside
of mechanical
seal and push
onto shaft.
9
Fit and carefully
hold impeller an d
tighten nyloc nut.
Once tight,
carefully hold
impeller and undo
nut 1 revolution to
set impeller
clearance.
10 Fit o-ring to the
body, then place
on the head.
11 Tighten 3 end
cover bolts.
