Xylem IMDWT R02 Model DWT Deep Well Turbine Pumps - Manual (Page 20)

20
PrEVENTIVE MAINTENANCE SCHEdULE
TIME INTErVAL
ProCEdUrE (in operating hours)
Clean dirt, oil and grease from driver and discharge head. As required.
Clean driver ventilation passage to prevent overheating. As required.
Change lubrication in gear drive. 2,000 or once a year
Check oil level in the reservoir. It should never be less than ¼ full. 24
Refill, check drip rate.
Tighten all loose bolts, and check for excessive vibration.
As required.
If packing is grease lubricated, add as required. 100
Check that there is some leakage through stuffing box while As required
pump is in operation. Do not tighten gland nuts unless necessary.
Refer to page 18 for tightening requirement.
Maintain a liquid film of lubrication between the seal rubbing faces.
As required.
Re-grease the motor bearings:
1800 RPM and above Refer to Motor IOM
Below 1800 RPM Refer to Motor IOM
rECoMMENdEd LUBrICANTS
Grease for Lineshafts, Turbine oils for Lineshafts,
Suction Bowl Bearings Suction Bowl Bearings
and Shaft Packings and similar applications
operating Temperature range 20º F to 120º F 20º F to 120º F
required properties
Pour Point : 20º F or lower (base oil) 20º F or lower
Flash Point : 300º F or higher (base oil) 300º F or higher
100º F Viscosity : 450 SUS or higher (base oil) 150 SUS or higher
ASTM Dropping Point : 160º F or higher 32
Nitrile Rubber Swell : Minimal (up to 3%) Minimal (up to 3%)
Thickener Type: Calcium or Lithium
Thickener Percent: 15% Minimum
Manufacturer recommended Standard Industrial Lubricants
Chevron Chevron
Chevron Texaco Corp.
Ulti-Plex Grease EP2 *Hydraulic Oil AW32
Texaco Texaco
Novatex EP2 *Regal EP 32
Mystik Oil & Grease Mystik Oil & Grease
Mystik JT-6 Grease (5484) *Mystik Turbax Oil 32 (1812)
CITGO Petroleum Corp.
Citgo Oil & Grease Citgo Oil & Grease
Premium Lithium EP2 Pacemaker Oil 32
Lyondell Lubricants Lyondell Lubricants
Litholine HEP Grease *Duro Oil 32
Mobil Mobil
Exxon Mobil Corp.
Mobilux Grease EP2 DTE Oil 24
Exxon Exxon
Lodok EP 2 *Nuto H Hydraulic Oil 32
76 Lubricants Co.
76 Lubricants 76 Lubricants
Multiplex EP Grease 2 Hydraulic Oil AW/D 32
Shell Oil
Shell Shell
Alvania EP Grease 2 *Tellus Plus Oil 32
*Note: In front of the oil grade means it is suitable for sub zero (F) temperature service.