26
8.5 - CHECKING EFFICIENCY
•
Remove dust deposits from the gear unit and motor casings.
•
Check that noise at constant load does not vary. Excessive vibration or noise can indicate wear of the gear
train or failure of a bearing.
•
Check the power absorption and voltage against the nominal values given on the motor’s nameplate.
•
Check the wear of linings on the brake motor (if used) and, if necessary, adjust the gap.
•
Check for lubricant leaks from the gaskets/seals, caps and casings.
•
Check all bolted couplings for wear, deformation or corrosion and tighten them down fully without overtig-
htening.
8.6 - CLEANING
Clean all dust and process waste off the gear unit. Do not use solvents or other products which are incompa-
tible with the construction material and do not direct high-pressure jets of water at the gear unit.
8.7 - PAINT COATING
In the factory, the cast-iron casing of the gear unit is magnetised and sprayed with polyester heat-setting re-
sin which is then baked on. Aluminium casings are not paint coated.
Table (A6) shows in colour the types and gear frame sizes of gear units which are generally painted.
If the gear unit is to be painted, tape the nameplate and seal rings to prevent contact with
solvent.
C 05
C 11
C 21
C 31
C 35
C 41
C 51
C 61
C 70
C 80
C 90
C 100
A 10
A 20
A 30
A 41
A 50
A 60
A 70
A 80
A 90
F 10
F 20
F 30
F 40
F 50
F 60
F 70
F 8 0
F 90
S 10
S 20
S 30
S 40
S 50
VF 27
VF 30
VF 44
VF 49
VF 130 VF 150 VF 185 VF 210 VF 250
W 63
W 75
W 86
W 110
(A6)
Summary of Contents for A 10
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