5. Maintenance and inspection
IOM manual
–
SG series
24
NOTICE:
➢
The drained oil must be disposed according
to national and local regulations.
➢
The gasket and the O-ring for the oil filler
plug must be replaced with a new part at
each oil inspection and change.
Model
Oil volume
SG
150 ml
5.5.
Disassembly and reassembly procedure
DANGER:
Disconnect and lock out electrical power before installing or servicing the unit
WARNING:
Make sure to perform a test operation when starting the pump after a reassembly
.
If the pump
was assembled improperly, it may leakage abnormal operation or electrical shock
.
CAUTION:
Wear protective gloves. A worn impeller and/or pump housing can have very sharp edges.
5.5.1.
Disassembly procedure
NOTICE:
➢
Before disassembling, make sure to drain the oil from the pump.
➢
Mechanical seal should be replaced only when broken or worn (see chapter
5.4.
Oil inspection and change
).
1. Suction cover [8] and pump casing [13] disassembly
Remove the bolt [1], washer [2], to remove the bottom plate [3]; then remove the screw
[5] and washer [6] to remove the stand [7], suction cover [8] and pump casing [13].
2. Impeller [12] disassembly
Remove the doomed nut [9], spring washer [10] and washer [11] to remove impeller [12],
washer [15], sand guard [16], shaft sleeve [17].
3. Rear wearing plate [14] disassembly
Remove the wearing plate [14] from the back casing [19].
4. Oil casing [19] and mechanical seal [22] disassembly
After removing the screw [18], remove the oil casing [19] (when doing this, be careful not
to damage sealing face of the mechanical seal [22]) and casing gasket [26]. Remove the
mechanical seal [22] from the main shaft.
NOTICE:
Mechanical seal replacement must be handled by the qualified staff, contact Tapflo
for more information.
