Barnes 3CDG5 Installations- und Betriebshandbuch - Seite 7

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SECTION C: PREPARE PUMP FOR OPERATION AS FOLLOWS:

See Engine Manufacturer's instruction manual for quantity, grade and viscosity of oil and change

interval. Fill engine crankcase with amount needed. and check oil level frequent. Fill fuel tank per

manufacturer,s recommendations. Be familiar with engine START UP and SHUT DOWN procedures

before operation. Operate engine in accordance with the manufactures instructions.

Check oil level in the pump transmission. If it is not up to the oil level plug in the cover, top off with an

SAE 80 - 90 EP gear lube. Transmission oil capacity is 20 oz. (550 ml).

For best performance locate pump as close to water as possible. Vertical suction lift should not exceed

25 ft. (7.6M) At high lifts, 15 ft. (4.5M) and up, a foot valve is recommended. When using suction hose,

make sure the gasket in the female fitting at the pump end is in place and in good condition. When using

pipe, coat the threads with a thread sealing compound.

Suction hose must be in good condition with no leaks and lining tight. A loose lining will collapse under

suction and keep liquid from being drawn into pump. A coarse strainer at end of suction hose is

advisable if there is a possibility of pumping large, hard, unbreakable solids, such as, rocks, wood,

tin cans, etc., that could be caught between connecting rod and water box, causing pump damage.

To lead water away, connect non-collapsible suction hose to the discharge connection. Discharge

hose should not be smaller than suction hose and not kinked. It is helpful to use a short piece of hose

at any time, with open end raised a foot or so above discharge connection. Discharge head should

never exceed 25 ft. (7.6M).

On high lifts, or if pump has been idle and valves are dry, pour water into the discharge opening to help

seal valves and speed up priming.

Pump speed can be regulated with throttle control on engine. from full volume, 65 strokes, to about 40

strokes for lesser volume and seepage. By regulating pump speed to suction and discharge conditions,

the intermittent up and down movements of the liquid columns in the suction and discharge hoses can

be timed so they will assist each other and smooth out the pump operation, rather than act in opposition.

Smoothest operation can be determined by trying pump at several speeds.

Drain pump in freezing weather by removing drain plugs.

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