Xylem IMDWT R02 Model DWT Deep Well Turbine Pumps User Manual

Page 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.

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

and Shaft Packings

and similar applications

operating Temperature range

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

Nitrile Rubber Swell :

Minimal (up to 3%)

Thickener Type:

Calcium or Lithium

Thickener Percent:

15% Minimum

Manufacturer

recommended Standard Industrial Lubricants

Chevron

Chevron Texaco Corp.

Ulti-Plex Grease EP2

*Hydraulic Oil AW32

Texaco

Novatex EP2

*Regal EP 32

Mystik Oil & Grease

Mystik JT-6 Grease (5484)

*Mystik Turbax Oil 32 (1812)

CITGO Petroleum Corp.

Citgo Oil & Grease

Premium Lithium EP2

Pacemaker Oil 32

Lyondell Lubricants

Litholine HEP Grease

*Duro Oil 32

Mobil

Exxon Mobil Corp.

Mobilux Grease EP2

DTE Oil 24

Exxon

Lodok EP 2

*Nuto H Hydraulic Oil 32

76 Lubricants Co.

76 Lubricants

Multiplex EP Grease 2

Hydraulic Oil AW/D 32

Shell Oil

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.