General Construction; Main Supply Connection - ABB AMA Series Manual

Manual for Induction Motors and Generators
Maintenance
object

7.3.1.1 General construction

Maintenance object
Machine operation
Mounting and foundation
Exterior
Fastenings
Anchor bolts

7.3.1.2 Main supply connection

Maintenance object
High voltage cabling
High voltage connections
Terminal box accessories,
i.e. surge capacitors,
arrestors and current
transformers
Cable transits
60 - Maintenance
Table 7-1. Maintenance intervals
MAINTENANCE INTERVAL
In equivalent operating hours or time period, which ever comes first
L1 L2
4 000 Eq. h 8 000 Eq. h
12 000 Eq. h 16 000 Eq. h
20 000 Eq. h
28 000 Eq. h
½ year Annual
L1 L2 L3
V / T V / T V / T
V V / T V / T
V V V
V V / T V / T
V V V / T
L1 L2 L3
V V / T V / T
V V / T V / T
V V V
V V V
L3 L4
24 000 Eq.h 80 000 Eq.h
3-5 years Overhaul
L4 Check / Test
V / T Starting, shut down, vibration measurement, no-load point
V / T / D Cracks, rust, alignment
V Rust, leakage, condition
V / T Tightness of all fastenings
V / T Fastening, condition
L4 Check / Test
V / T / D Wear, fastening
V / T / D Oxidation, fastening
V General condition
V Condition of cables entering the machine and inside the
machine
Check / Test
3BFP 000 050 R0101 REV E