Flowserve MT Bevel Gearboxes IOM - Manual (Page 15)

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Limitorque MT Series FCD LMENIM4201-00 – 06/10
flowserve.com
6
Disassembly and Reassembly
No special tools are required for assembly/disassembly of the MT series bevel gear operators.
c WARNING: Valve must be in fully opened position with no pressure in the line to perform work
on the gear operator.
a CAUTION: During disassembly and reassembly, all removed components should be cleaned and
placed in an area free of dirt, water, or other foreign material.
a CAUTION: Care should be taken in removing the ball bearings located between the bevel gear and
thrust housing. These bearings are non-caged, hardened ground balls.
The table below indicates the number of ball bearings utilized by each MT size.
Table 6.1 – Quantity of Ball Bearings
Operator Quantity
MT-2 57
MT-3 53
MT-4 66