ITT Goulds Pump 3355, Инструкция по установке, эксплуатации и обслуживанию

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If the pump performance does not satisfy your process requirements, and the process requirements
have not changed, then perform these steps:
1. Disassemble the pump.
2. Inspect it.
3. Replace worn parts.
6.2 Bearing maintenance
6.2.1 Ball bearing types
Grease lubricated bearings
Pump size Suction side, radial suction Discharge side, radial and end suction
1.5 x 2.5-7 6306-C3 5306 A
2.5 x 4-8 6307-C3 5307 A C3
4 x 5-10 6308-C3 2x 7308 BECBM
5 x 6-11 6310-C3 2x 7310 BECBM
6.2.2 Grease lubrication schedule
Pump size Grease quantity Re-lubrication intervals
Suction side, in oun-
ces Discharge side, in oun-
ces 3550 rpm 2950 rpm 2200 rpm 1750 rpm 1450 rpm
Operating hours
1.5 x 2.5-7 0.25 0.40 3800 4300 5500 6000 6500
2.5 x 4-8 0.30 0.50 3500 4000 5000 5500 6000
4 x 5-10 0.40 0.75 3300 3800 4500 5000 5500
5 x 6-11 0.55 1.10 2500 3300 4300 4800 5000
6.2.3 Lubricating-grease requirements
Precautions
NOTICE:
• Avoid equipment damage or decreased performance. Never mix greases of different con-
sistencies (NLGI 1 or 3 with NLGI 2) or with different thickeners. For example, never mix
a lithium-based grease with a polyurea based grease. If it is necessary to change the
grease type or consistency, remove the rotor and old grease from the housing before re-
greasing.
Grease recommendations based on temperature
Most pumps use Sunoco 2EP grease.
This table shows which brand of grease to use when lubricating the pump.
Brand When temperature of pumped fluid is less than 177°C | 350°F - NLGI consistency 2
Mobil Mobilux EP2
Exxon Unirex N2
6.2 Bearing maintenance
Model 3355 Installation, Operation, and Maintenance Manual 47