STOW CP-20H — TROUBLESHOOTING (ENGINE/PUMP)

TABLE 7. ENGINE TROUBLESHOOTING (Continued)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Governor adjustment improper?

Adjust governor to correct lever.

 

 

 

 

Governor spring defective?

Clean or replace ignition.

Rotational speed fluctuates.

 

 

Fuel flow erratic?

Check fuel line.

 

 

 

 

 

Air taken in through suction

Check suction line.

 

line?

 

 

 

 

Recoil starter not working

Dust in rotating part?

Clean recoil starter assembly.

 

 

properly.

Spring spring failure?

Replace sprial spring.

 

 

 

 

TABLE 8. PUMP TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Not enough priming water in the housing?

Add water.

 

 

 

 

Engine speed too low?

Increase throttle.

 

 

 

 

Strainner plugged?

Clean strainer.

 

 

 

 

Suction hose damaged?

Replace or repair hose, and clamps

 

 

 

 

Air leak at suction port?

Check that fittings are tight and properly sealed.

Pump does not take on water.

 

 

Pump is located too high above water line?

Move pump closer to water.

 

 

 

 

 

Debris collecting in pump housing?

Clean pump housing.

 

 

 

 

Too much distance between impeller and volute.

Adjust clearance by adding shims or replace impeller.

 

Min. .006" - Max. .020"

 

 

 

 

 

 

Water leaking out weep hole between pump and

Check condition of mechanical seal and gaskets,

 

engine?

between pump end and engine housing.

 

 

 

 

Engine speed too low?

Increase throttle speed.

 

 

 

Pump takes in water, little or no

Suction strainer partially plugged?

Clean strainer.

discharge.

 

 

Impeller/Volute worn?

Adjust clearance by adding shims or replace

 

 

 

impeller/volute

 

 

 

 

Fittings/clamps are not sealed properly?

Tighten, replace or add clamp. (Keep extra seals on

Suction hose leaks at inlet.

pump)

 

 

 

 

Hose diameter is too large?

Use smaller diameter hose or replace hose.

 

 

 

Discharge does not stay on

Pressure too high?

Check pressure, add additional clamp.

 

 

coupling.

Hose kinked or end blocked?

Check hose.

 

 

 

 

 

Impeller jammed or blocked?

Open pump cover and clean dirt and debris from

 

 

inside housing.

Impeller does not turn: pump is

 

 

 

Adjust clearance by removing shim from behind

hard to start.

Impeller and volute binding?

impeller.

 

 

 

 

 

 

Defective engine?

See Engine Owner's Manual.

 

 

 

STOW CP-20H CENTRIFUGALPUMP — PARTS MANUAL— REV. #0 (05/30/03) — PAGE 27

Page 27
Image 27
Stow manual Stow CP-20H Troubleshooting ENGINE/PUMP

CP-20H specifications

The Stow CP-20H is a versatile and robust compact tractor designed for a variety of agricultural tasks, combining efficiency, ease of use, and advanced technology. This model is particularly favored by small to mid-sized farm operations, landscaping companies, and hobby farmers due to its compact size and powerful performance.

One of the standout features of the Stow CP-20H is its reliable 20 horsepower engine, which provides ample power for a range of implements and attachments. The engine is designed for fuel efficiency, helping users to minimize operational costs while maximizing productivity. The unit is equipped with a hydrostatic transmission, which allows for seamless speed adjustments without the need for manual gear shifting. This feature provides enhanced maneuverability, making it easier to navigate tight spaces and perform delicate tasks.

The Stow CP-20H also excels in terms of comfort and usability. The operator’s platform is spacious and ergonomically designed, featuring a high-backed seat that reduces fatigue during extended periods of use. Additionally, the controls are intuitively laid out, allowing for easy access and operation. The tractor's compact design ensures a tight turning radius, which is beneficial when working in confined areas.

One of the technological highlights of the CP-20H is its hydraulic system, which maximizes lifting capability and implement performance. With a strong lift capacity, the tractor can handle a variety of attachments such as loaders, backhoes, and mowers, making it an excellent multi-tasker. The three-point hitch system is also noteworthy, as it allows for quick attachment and detachment of implements.

In terms of safety and durability, the Stow CP-20H is built with a sturdy frame and well-designed protective features. It is equipped with ROPS (Roll Over Protection Structure) to enhance operator safety in uneven terrain. The tractor's construction is designed to withstand the rigors of daily use, ensuring longevity.

Overall, the Stow CP-20H stands out as a reliable compact tractor that combines power, versatility, and user-friendly features. Its advanced technology and robust design make it an ideal choice for those seeking an efficient solution for various agricultural and landscaping tasks. Whether it’s mowing fields, plowing gardens, or transporting materials, the Stow CP-20H is equipped to handle the demands of diverse farming projects effortlessly.