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Property
M4
M5
class
10.9
4.0 (2.9)
8.1 (6)
12.9
4.9 (3.6)
9.7 (7.2)
Hexagon screws with countersunk heads
For hexagon socket head screws with countersunk head, maximum torque for all property
classes must be 80% of the values for property class 8.8 above.
Service
Regular inspection and service of the pump ensures more reliable operation.
Type of service
Inspection
Major overhaul
NOTICE:
Shorter intervals may be required when the operating conditions are extreme, for example
with very abrasive or corrosive applications or when the liquid temperatures exceed 40°C
(104°F).
Inspection
Regular inspection and service of the pump ensures more reliable operation.
Flygt 3060 Installation, Operation, and Maintenance Manual
M6
M8
14 (10)
33 (24)
17 (13)
40 (30)
Service item
Action
Visible parts on
1.
Check that all screws, bolts, and nuts are properly tightened.
the pump and
2.
Check the condition of lifting handles, eye bolts, ropes, chains, and wires.
installation
3.
Check for worn or damaged parts.
4.
Adjust and/or replace if necessary.
Pipes, valves,
1.
Check for worn or damaged parts.
and other
2.
Adjust and/or replace if necessary.
peripheral
equipment
Pump casing and
1.
Check for worn or damaged parts.
impeller
2.
Adjust and/or replace if necessary.
M10
M12
M16
65 (48)
114 (84)
277 (204)
79 (58)
136 (100) 333 (245)
Purpose
To prevent operational interruptions
and machine breakdown. Measures
to secure performance and pump
efficiency are defined and decided
for each individual application. It
can include such things as impeller
trimming, wear part control and
replacement, control of zinc-anodes
and control of the stator.
To secure a long operating lifetime
for the product. It includes
replacement of key components
and the measures taken during an
inspection.
Maintenance
M20
M24
M30
541 (399)
935 (689) 1840
(1357)
649 (480)
1120
2210
(825.1)
(1630)
Inspection interval
Every 1,000 hours
Every year, under normal operating
conditions
27
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