7 Servicing/Maintenance
98 of 116
CHTRa
7.4.11 Final assembly
ü
New joint rings and O-rings have been used.
1. Fitting the pump’s pipes.
2. Fitting the screw plugs and plugs
3. Fill oil in bearing housings 350.0101 and 350.02. Check oil level at the constant
level oiler 638.
7.5 Spare parts stock
7.5.1 Ordering spare parts
Always quote the following data when ordering replacement or spare parts:
▪
Series code
▪
Size
▪
Pump type with number of stages
▪
Order number
▪
Part number and description
▪
Quantity of spare parts
7.5.2 Storing spare parts
Spares should be stored in a clean dry area away from vibration.
Inspection and re-treatment of metallic surfaces (if necessary) with preservative is
recommended at 6 monthly intervals.
7.5.3 Recommended spare parts stock for two years' operation
Table 20:
Recommended spare parts stock for two years' operation
Description
Quantity
Unit
Pump casing gasket
1
Pcs
Bearing (drive end and non-drive end)
1
Set
Impeller wear rings including grub screws
1
Set
Casing wear rings including grub screws
1
Set
Neck bushes
2
Pcs
Balance drum
1
Pcs
Mechanical seals (drive end and non-drive end)
1
Set
Bearing sleeve (rotor centre)
1
Pcs
Bearing bush (rotor centre)
1
Pcs
Balance bush
1
Pcs
Slotted round nut
1
Pcs