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Tuthill AC, Инструкция по установке и обслуживанию

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V1.0 

2 of 22 

04/01/2009 

General Description

 

Model AC 

Model AC pumps are available in six sizes, ranging in capacity from 2 to 84 gpm with 
differential pressures to 100 psi. The maximum discharge pressure capability is 125 psi. 
They have an integrally cast mounting foot and are supplied in four different mounting 
styles. This pump is suitable for driving at direct motor speeds and will pump equally well 
in either direction of rotation (unless supplied with an internal relief valve). It is equipped 
with a sleeve bushing, aluminum packing and an adjustable packing gland. 

Model C1G

 

Model C1G is similar to model AC except that it is equipped with spring loaded V type 
leather packing. Model C1G pumps have the packing chamber vented to the suction side 
of the pumping zone. Therefore, the pump must operate in the direction for which it is 
assembled. Model C1G is available in six sizes, ranging in capacity from 2 to 84 gpm with 
differential pressures to 100 psi. The maximum discharge pressure capability is 125 psi. 
Like the model AC, these pumps are available in four different mounting styles. 

Models C1E, C1EN, CIF and C1FA

 

Model C1E and C1F pumps are sleeve bushing lip seal units designed for direct drive 
service. Model C1E has an integral foot mount. Model C1F is a flange mount pump. Model 
C1FA pumps are similar to model C1F but are supplied without a seal. Model C1EN 
pumps are sleeve and ball bearing units with a lip seal and integral mounting foot 
designed for indirect (belt, chain, gear) drive. 

The seal chamber on these pumps is vented to the suction side of the pumping zone. 
Therefore, the pump must operate in the direction for which it is assembled. 

All models are available in five sizes, ranging in capacity from 6 to 84 gpm with differential 
pressures to 100 psi. The maximum discharge pressure capability is 100 psi. 

Model C1B

 

Model C1B is a flange mount pump with two sleeve type bushings and a mechanical seal. 
It is bi-rotational, unless equipped with an internal relief valve. This pump is available in 
five sizes, with capacities from 6 to 84 gpm and differential pressures to 150 psi. The 
maximum discharge pressure capability is 300 psi. A mounting foot is optional. 

Model CKIB

 

Model CK1B pumps are equipped with a mechanical seal and incorporate heavy-duty 
features, including special double bearing construction with an inboard double ball bearing 
and an outboard roller bearing. This pump is available in five sizes, with capacities from 6 
to 84 gpm and differential pressures to 250 psi. The maximum discharge pressure 
capability is 300 psi. A mounting foot is optional. 

The seal chamber is vented to the suction side. Therefore, the pump must operate in the 
direction for which it is assembled. 

Содержание AC

Страница 1: ...4 1 of 22 04 01 2009 Tuthill Pump Group 12500 South Pulaski Road Alsip IL 60803 USA o 708 389 2500 f 708 388 0869 Service Instruction No 22 Rev 3 04 08 INSTALLATION AND SERVICE INSTRUCTIONS C SERIES PUMPS ...

Страница 2: ...Model C1F is a flange mount pump Model C1FA pumps are similar to model C1F but are supplied without a seal Model C1EN pumps are sleeve and ball bearing units with a lip seal and integral mounting foot designed for indirect belt chain gear drive The seal chamber on these pumps is vented to the suction side of the pumping zone Therefore the pump must operate in the direction for which it is assemble...

Страница 3: ...g principle There are only two moving parts Pumping action is based on a rotor idler gear and crescent shaped partition cast integral with the cover Power applied to the rotor is transmitted to the idler gear with which it meshes The space between the outside diameter of the idler and the inside diameter of the rotor is sealed by the crescent As the pump starts the teeth come out of mesh increasin...

Страница 4: ...um at 0 psi on factory test While these pumps will develop as high as 27 of vacuum it is a sound engineering practice to avoid extreme vacuum whenever possible Select a pipe size to reduce line friction loss to a minimum The pump should be located as close to the source of supply as conditions permit and if possible below the level of the liquid in the reservoir When necessary to locate the pump i...

Страница 5: ...on should have a good foundation Its structure should be sufficiently strong to hold the pump rigid and to absorb any strain or shock that may be encountered The installation should be leveled checked for proper piping alignment and then fastened securely Method of Drive Direct drive through a traditional flexible coupling is recommended CC pumps are direct driven by the motor shaft as an integral...

Страница 6: ...ernal relief valve except CC models are supplied with the standard spring with a range of 30 225 psi 10 200 psi in size 2 pumps set to provide full bypass relief at 90 psi The standard spring in CC model pumps has a range of 0 110 psi set to provide full bypass relief at 100 psi To adjust the relief setting within the range of a given spring s capability Remove the cap nut model CC pumps only With...

Страница 7: ... as not to collapse under 30 Hg vacuum WARNING All Tuthill pumps contain residual 200 SSU lube oil from the factory test Determine if this is compatible with the fluid you are pumping If the fluid is incompatible consult the factory If the pump is to operate at elevated temperatures it should be brought up to operating temperature gradually Rapid or sudden introduction of liquid at an elevated tem...

Страница 8: ...e is no discharge of liquid stop the pump and investigate the possible cause Failure to comply with this could cause severe damage to internal seals bushings and or metal parts Pump Performance Data Size Capacity gpm CC009 9 CC015 15 CC020 20 CC030 30 Based on pumping a fluid of 200 SSU viscosity at 50 psi and 1750 rpm Based on pumping a fluid of 100 SSU viscosity at 50 psi and 1750 rpm Size 1C 2C...

Страница 9: ...ice Specific Models Model AC Lubrication Model AC pumps are provided with a grease cup or grease gun fitting at the outer bearing which also lubricates the packing A good grade of medium cup grease such as Fiske Bros Lubriplate 930 AAA should be used Apply until visible at the outer end of the packing gland If the pump is overheating it may be due to lack of lubricant Add lubricant as needed or at...

Страница 10: ...tion If outfitted with an internal relief valve model ACV these pumps become rotational Rotation cannot be changed in the field unless the cover valve assembly is replaced To change the location of the suction port on pumps supplied with Tuthill s unique automatic reversing feature model RAC Remove the cover screws Rotate the cover 180 so that the boss on the cover points to the new suction inlet ...

Страница 11: ...d This will eliminate possible damage to the lips of the packing and ease installation Replace the spring and packing retainer Be certain that the spring is properly located on the packing retainer and that the beveled surface of the packing retainer is facing the shaft end of the pump Install the V type packing rings Rings should be installed separately and not in sets Three rings are required pe...

Страница 12: ... the cover screws Models C1E C1EN CIF and C1FA Seal Replacement Models C1E C1EN and C1F Grip the pump firmly across the ports and opposite side of the housing in a vise with the shaft end up For model C1EN only Note the location of the red vent plug This is the suction inlet side of the pump Loosen the setscrew on the collar of the outboard ball bearing While holding the pump shaft steady turn the...

Страница 13: ... if on the left counterclockwise Behind this short vent plug is a small flow plug Remove both the long and short vent plugs as well as the small flow plug with a hex wrench Interchange the locations of the short vent plug and flow plug with the long vent plug Model C1 E C1 EN If outfitted with an internal relief valve models C1EV and C1ENV the rotation cannot be changed in the field unless the cov...

Страница 14: ...t on pumps supplied with Tuthill s unique reversing feature models RC1F and RC1FA the following must be done in addition to the above steps When rotating the bracket also rotate the cover 180 Model C1B Seal Replacement Grip the pump firmly across the ports and opposite side of the housing in a vise with the shaft end up Remove any burrs or nicks on the shaft Use a small fine file if needed Remove ...

Страница 15: ...ocation of the V notch in the bracket If at the top 12 o clock rotation is clockwise if at the bottom 6 o clock counterclockwise Remove the cover screws so that the bracket moves freely Rotate the bracket 180 Align the mounting holes and reinstall the cover screws If outfitted with an internal relief valve model C1BV these pumps become rotational Rotation cannot be changed in the field unless the ...

Страница 16: ...w enough clearance so that the rotor will turn freely The face of the housing should be even with the ends of the rotor teeth when gently pressed If there is not enough clearance the rotor will not turn freely causing severe scoring There cannot be any metal to metal contact between the rotor and the housing Replace the cover gaskets idler assembly and cover Lay the pump on the cover end Replace t...

Страница 17: ...ddition to the steps above Remove the cover screws Rotate the cover 180 so that the boss on the cover points to the new suction inlet port Align the mounting holes and reinstall the cover screws Model CC Disassembly and Seal Replacement Remove the internal relief valve and gasket assembly if so equipped by loosening the four screws holding it to the pump housing Disconnect the pump from the motor ...

Страница 18: ...ts are supplied with each pump so that proper internal end clearances are maintained The typical end clearance for CC model pumps is 003 to 005 When pumping thinner viscosity fluids or a drop off in capacity has occurred because of excessive endplay of the rotor removal of one or more of the cover gaskets may moderately improve performance Install the mechanical seal For model CC009 insert the spr...

Страница 19: ...ump installation before completing the steps below Disconnect the drive so that it cannot be started while work is being performed Review the Material Data Safety Sheet MSDS applicable to the liquid being pumped to determine its characteristics and the precautions necessary to ensure safe handling Vent all pressure within the pump through the suction or discharge lines All Tuthill pumps contain re...

Страница 20: ... the selected gaskets over the mounting registers of the bracket and cover Note Gaskets are supplied with each pump so that proper internal clearances are maintained In sizes 2 through 6 composite gaskets are supplied for standard pumping applications and consist of a steel shim enclosed in a Buna N rubber Size 1 pumps utilize paper gaskets The typical end clearances for these pumps are as follows...

Страница 21: ...ing The coupling is defective or the tongue and groove are not engaged The relief valve setting is too low Liquid is discharging through the by pass port Capacity is too low There are leaks in the suction line Suction losses are too high The suction lift is too great or the suction line too small or too long This can be detected by installing a vacuum gauge directly at the pump suction The maximum...

Страница 22: ...shaft Air leaks on suction side of pump or air entrainment in the fluid Pump leaks Cover bolts need tightening or cover gasket is defective Worn or defective seal Material Returns If it becomes necessary to return a pump to the factory a Return Goods Authorization RGA must be obtained from either your local Authorized Distributor or our Chicago plant No RGA can be issued until a completed Material...

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