Troubleshooting and repairing pumps

Friction; binding; fluid

A pump that draws unusual amounts of electrical power does so for some reason. The problem may lie in some form of _____________ or ______________, in misalignment, or in an excessive amount of ____________ being pumped.

Drawing fluid; blocked

A pump that fails to discharge either is not _________________________ from the section end or is _____________ at the discharge end.

Equipment damage; personal injury; isolated

All energy sources must be isolated to prevent __________________________ or __________________ when the pressure is released. Follow all regulations and company policies to ensure the equipment is ________________.

Bearing surfaces

All parts, especially ________________, should be clean, meticulously before installation.

Normal temperature

Always perform a visual inspection for pump problems when the pump is operating at _______________________________.

Manufacturer's instructions; preventive maintenance

Always refer to the ____________________________________ for the recommended _______________________________(PM) for a particular pump.

Abnormal conditions

Always report any ___________________ that are observed, according to company policy.

Note and record the sequence and number

Another good practice is to ____________________________________________ of parts, keys, set screws, deflectors, and other items as they are removed, for ease of reassembly later.

Remove; losing; damaging

Appropriate pullers may have to be used to ________________ thrust bearings, and care must be taken to avoid ____________ or _____________ adjustment shims.

Pumps

Are used to move many types of materials, from thin liquids to thick semisolids.

Sleeve; housing

Bearings mounted directly on the shaft require a different procedure from those mounted on a ___________________, or in the ______________.

Zero

Check the bleeder valves and make sure that there is _____________ pressure.

Light oil; covered

Clean pump components that will not be assembled soon. Should have a coat of ______________ applied to the machine surfaces and should be ______________ to protect them from dust and dirt.

Noise; vibration; temperature; immediately

If you observe any unusual ___________, ____________, or ______________, shut down the pump __________________ and investigate the possible causes.

Blockage

In order to inspect a pump that fails to discharge, check the lines for ______________.

Process of elimination

Is the cause of a pumps problem is not Emilie understood, the ______________________________ is often the procedure of choice.

Pressure

It is critical that all ________________ from the system be relieved before any maintenance on any system component is performed.

The selection of solvents, and the cleaning a bearing surfaces

Manufacture's instructions and recommendations must be followed for what prior to assembly.

Thickness; number

Measure the _______________ of each shim pack, and _____________ The shims, according to each pump foot.

Interchangeable; end

Most sleeve type components are not __________________ and must be installed on the correct ________ of the shaft.

Left-handed

One of the nuts or sleeves will normally have ___________________ thread to Aiden, saying tight while in operation.

More than half

One rule of thumb often use is this: "if a repair costs _____________________________ The price of a total replacement, the equipment should be replaced."

Heavy; hard to handle

Pump components can be extremely __________ and ______________________.

Visually; noise; vibration; power draw; discharge; stops; capacity

Pump inspection includes checking for the following problems: _________________ noticeable problems, ____________ or ____________, excessive _________________, failure to _________________, discharges and ___________, pumping below ______________.

Number; location

Record the _______________ and _______________ of shims at each mounting bolt, so that the same number can be reinstalled at each point later.

Shaft surfaces

Removing pump bearings, take special care to avoid damaging the ____________________.

Specific sequence

Some pump casings require a _________________ for tightening the casing nuts to prevent damage and help ensure a good seal.

Oiling systems; gear; reservoir

Sump pump bearings are equipped with ______________________ that use ____________-type oil pumps. These units will require that the ________________ and pump be removed——-sometimes as a unit——-and set aside.

Bottom

Take care not to _______________ the indicator, plunger, as the instrument will be damaged.

Monitor; document; regular

The key to an effective preventive maintenance program for pumps is to ______________ and ______________ the pumps performance on a _________________ basis.

Clean; level

The mounting platform should be ____________ and _____________ With no signs of corrosion, where, or cracks in the metal frame.

Dust, grit, grime, and residue

Thorough cleaning will help prevent what from causing problems later?

Nuts; threaded sleeves; manufacture's instructions

To assemble a pump impeller and shaft, install the impeller retaining _________ or ___________________ on the shaft. Tighten them, according to ________________________, using the proper tool.

Worn; defective bearings

To inspect a noisy or vibrating pump, check for the following condition: ____________ or __________________________ in the pumps or motor.

Inspect; flush

To perform annual preventive maintenance, ______________ and _____________ all auxiliary piping, such as drains, sealing water, piping, and cooling water piping.

Manufacturer's specifications

To perform annual preventive maintenance, measure the employee of the bearings and compare them to the _________________________________.

Walk around; leaks; abnormal

To perform daily observations of pump operations, perform a ___________________ inspection of the pump, and check for ___________ and any ________________ conditions.

Energy

To prepare for system shut down, isolate all ___________________ sources.

Personal protective equipment (PPE)

To prepare for system shut down, obtain any _____________________________________ that is required by company policy and regulations.

Disconnect; cap; seal

To take a pump off-line for repairs, ___________________ the piping from the pump. _________ or __________ The ends of each pipe that is disconnected to prevent dirt or contamination from entering the piping system.

Connection; dirt; contamination

To take a pump off-line for repairs, clean the pipe thoroughly around each pipe ______________________ to ensure that no ___________ or __________________ enter the interior of the pump or the piping system.

PPE; heated

Use appropriate __________ to handle the _____________ impellers.

Jack screws

Using _____________ in the manufacture's designated casing holes, tighten all screws evenly and sequence until the casings separate.

Manufacturer's instructions and recommendations

What should be followed to ensure that your type boiling systems are remove correctly?

Leakage; 60

When starting up a newly installed or repaired pump, inspect packing for expected ________________. Some pumps are equipped with a package that is expected to drip up to _________ drops per minute.

Electrician; nameplate

When troubleshooting a pump, have a qualified ______________________ load-test the driver, to determine if the power being used exceeds the maximum on the ______________________.

General procedures

While each type of pump has its own specific troubleshooting procedures, it is possible to describe _______________________ for diagnosing any pump.

Immediate action

___________________________ should be taken on those items that are critical to safe operation of the pump, driver and connection pipes.