Inventory Management and Maintenance in Offshore Vessel Industry

Table 2

Ballast pump preventive maintenance procedures.

Weekly	(i) Visually inspect pump for leaks; (ii) Clean exterior surface of pump/motor; (iii) Check level of the oil in bearing cavity; (iv) Ensure instruments (gauges) and controls are in good working order	Cost: $0–10; (labor)
Monthly	(i) Run pump for 30 min minimum; (ii) Note and record the following; (a) Pump suction and discharge pressure; (b) Frequency voltage; (c) Amperage; (iii) Check foundations on pump, tighten all loose bolts as needed	Cost: $0–10; (labor)
Simi-Annually	(i) Secure power to unit, use lockout/tagout procedures; (ii) Adjust packing to allow for cooling and prevent excess leak-off as per instructions of engineer; (iii) Lubricate packing as per manufacturer’s specifications; (iv) Grease bearings per manufacturer’s instructions; (v) Restore power to unit; (vi) Test run pump	Cost: $50–80; (labor and materials)
Annually	(i) Replace pump with spare from warehouse; (ii) Send old pump to warehouse for repair	Cost: $500
Total		$600
Cost of new pump		$1400
Savings		$800