
RC, RCV
15
7.6
Recommended spare parts
Piece denomination
Reference Nº
Recommended spare parts (1)
Start-up
2 years 5 years
Joints (set)
---
1
2
5
Mechanical seal
433
1
2
3
Bearing (set)
320
1
2
Lip seal (set)
420
1
2
Bearing bush (set)
545
1
2
Flexible coupling part (set)
---
1
2
Valve spring
756
1
2
Gears (set)
870
1
2
Circlip (set)
932
1
2
Key (set)
940
1
2
Pump shaft(s) (set)
210
1
Coupling
---
1
Complete safety valve
---
1
(1) Amounts recommended for a continuous service pump
7.7
Preventative maintenance
Nº
DESCRIPTION OF THE OPERATION
TO BE CARRIED OUT
PROCEDURE
REGULARITY
CONSEQUENCE
1 Check for mechanical seal leaks
Visual inspection
Weekly
15
2 Check for lip seal leaks
Visual inspection
Weekly
16
3
Check for leaks between the casing and
the cover
Visual inspection
Monthly
14
4
Check for leaks between flanges or
connections
Visual inspection
Monthly
14
5 Check for heating of the bearings
With thermocouple
Quarterly
9, 13
6
Check tightness of connecting bolts for
motor/base frame, pump/base frame,
cover/casing, support/support
supplement, flanges/casing
Manually
Twice a year
7
7 Check and align the coupling
See point
manual
Twice a year and every
time it is dismounted
8 COMPLETE PUMP CHECK
Check and dismount the
pump. See point
manual
Yearly
1, 2, 3, 4, 5, 6, 9,
10, 14
9 Check for wear of the gears
Dismount the casing.
Visual inspection
Yearly
10 Check for wear of the shaft and bearings
Dismount cover, Visual
inspection
Yearly
11 Change the rubber coupling plugs
See point
manual
Yearly
12 Check the relief valve spring
Manually
Twice a year
13 Check functional characteristics loss
Instrument reading
In accordance with use
Check the
installation, 8
14 Change the joints
Manually
When the leaks are
excessive
15 Change the mechanical seal
See point
manual
When detecting leaks
16 Change the lip seals
See point
manual
Every time they are
removed
17 Tighten gland
Manually
When the leaks are
excessive