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OPERATION AND MAINTENANCE MANUAL

TR-IS SERIES

Centrifugal Pump

9

TR-IS

START THE ASSEMBLY

It is highly recommended that the general diagram is used to help identify the components used
in carrying out the assemblies and sub-assemblies that are explained below.

1. LEG BRACKET ASSEMBLIES

The leg bracket assemblies are optional. They allow leveling of the pumps via adjusting the legs
vertically. The size of the brackets (

209

) and legs (

207

) depend on the NEMA or IEC motor

frame.

First, affix the legs to the brackets with the hexagonal screws (

209A

). Next, with the hexagonal

screws (

209B

), attach the brackets to the motor base. You may need to lift the motor to make

this assembly. Please reference

Figure A

.

Figure

A

A

SS

E

M

B

L

Y

209B

209A

209

207

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Содержание TR-IS Series

Страница 1: ...Installation Operation and Maintenance Manual TR IS Series INTERNAL BALANCED MECHANICAL SEAL CENTRIFUGAL PUMP 02 11 ...

Страница 2: ...for the maintenance and operation of the equipment About this Manual Wright Flow Technologies Warranty 3 Safety 4 Important Safety information 4 Installation 5 Description 5 Installation Guidelines 5 Assembly Preliminaries 6 TR IS General Diagram 7 TR IS Part List 8 Start the Assembly 9 1 Leg Bracket Assemblies 9 2 Assembling the Adapter to the Motor 10 3 Spacing of the Impeller and Stub Shaft 11 ...

Страница 3: ...Technologies prove to be defective in workmanship or material under normal use and service and if such products are returned to Wright Flow Technologies factory at Cedar Falls Iowa transportation charges prepaid and if the products are found by Wright Flow Technologies to be defective in workmanship or material they will be replaced or repaired free of charge F O B Cedar Falls Iowa Wright Flow Tec...

Страница 4: ...used within these instructions Follow these signs to avoid serious injury and or possible damage to equipment CODE 136530001 Rotating direction ccw CODE 136530002 Guard warning Safety labels are placed on every pump DO NOT remove any labeling on any Wright Flow product Replace any label that is missing Indicates an imminently hazardous situation which if not avoided will result in death or serious...

Страница 5: ...QUIPMENT Check the contents and all wrapping when unpacking your equipment Inspect all parts for damage that may have occurred during shipping Report any damage to the carrier LOCATION AND INSTALLATION The pump unit should be located as near as possible to the liquid source and in a position where the suction piping can be short and direct with a minimum number of elbows and fittings It should als...

Страница 6: ...u may need the following tools 1 1 3 4 9 16 and 1 2 Wrenches 2 3 16 and 1 4 Allen wrenches 3 Rubber mallet 4 Shims with different thicknesses 0 005 0 010 and 0 020 5 Ratchet handle and sockets 5 8 and 7 8 for impeller nut 6 3 8 diameter steel rod to avoid the stub shaft from turning 7 Torque Wrench INSTALLATION Before servicing pump disconnect the electrical power source carefully relieve all pres...

Страница 7: ...OPERATION AND MAINTENANCE MANUAL TR IS SERIES Centrifugal Pump 7 TR IS TR IS GENERAL DIAGRAM GENERAL DIAGRAM ...

Страница 8: ... RING INTERNAL ROTARY HOLDER DOUBLE MECHANICAL SEAL 1 6H O RING OUTBOARD ROTARY HOLDER 1 6I O RING STATIC FACE 1 6J O RING STATIC FACE FRONT 1 6K O RING STATIC FACE BACK 1 6L O RING EXTERNAL ROTARY FACE DOUBLE MECHANICAL SEAL 1 7 BACKPLATE 1 8 PLUG SINGLE MECHANICAL SEAL 2 9 RACOR FLUSH DOUBLE MECHANICAL SEAL 2 10 STUBSAHFT 1 11 STUBSHAFT PIN 1 12 STUBSHAFT KEY 1 13 STUBSHAFT COLLAR 1 14 COLLAR BO...

Страница 9: ...EG BRACKET ASSEMBLIES The leg bracket assemblies are optional They allow leveling of the pumps via adjusting the legs vertically The size of the brackets 209 and legs 207 depend on the NEMA or IEC motor frame First affix the legs to the brackets with the hexagonal screws 209A Next with the hexagonal screws 209B attach the brackets to the motor base You may need to lift the motor to make this assem...

Страница 10: ...s recommended in Chart 1 Chart 1 Torque values for tightening the adapter screws Torque ft lb Models NEMA Models IEC 20 Frame 56 to 14 Frame 80 to 90 55 Frame 18 to 25 Frame 100 to 160 70 Frame 28 Frame 180 110 Frame 32 to 36 Frame 200 to 225 For C face NEMA motors use the four hexagonal screws 18A Figure B Figure B For FF face B5 flange IEC motors use the four hexagonal screws 18A and the hexagon...

Страница 11: ...stub shaft collar 13 with the corresponding Allen screws 14 loosely on the stub shaft and place it on the motor shaft It must slide in and out without problem Figure D Figure D 3b Place and secure the backplate 7 into the adapter using the four hexagonal screws 22 and washers 21 The orientation of the backplate is with the flushing holes in a vertical position those holes are used only with the do...

Страница 12: ...ket 4 on it Then place the impeller on the stub shaft and tighten with the impeller nut compressing the assembly Figure F Use a 5 8 hexagonal socket for models 114 and 214 Use a 7 8 hexagonal socket for the rest of models to tighten the nut To prevent the stub shaft impeller assembly from turning insert a Ø3 8 plastic or soft dowel in the bore that has the stub shaft on its side Thus the impeller ...

Страница 13: ...ore tightening the screw or screws on the shaft collar Compress the impeller against the backplate with the spacer between them and proceed to tighten the screw or screws on the shaft collar Figure H Align stub shaft and collar slots 0 025 0 63 mm thru 0 030 0 76 mm or 0 035 0 89 mm thru 0 040 1 00 mm Figure H Use the torque values shown in Chart 2 to tighten the collar screws Next turn the impell...

Страница 14: ...ructions on the single mechanical seal assembly or go to Step 5 for instructions on the double mechanical seal assembly 4 ASSEMBLING THE SINGLE MECHANICAL SEAL 4a Place the seal housing and the stationary face of the mechanical seal 6C with its O rings 6J 6K into the backplate First place the O ring 6J on the stationary face groove then the O ring 6K on the back The square shape in both parts must...

Страница 15: ...ace 6B into the rotary holder The pin must fit in the slot of the rotary seal face Next compress until the rotary seal face is inserted Finally place the rotary holder O ring 6H in the groove on the front of the holder Figure K Figure K 4c Insert the whole rotary seal sub assembly onto the stub shaft This will contact the stationary seal face placed previously in the backplate Push to compress the...

Страница 16: ...ble mechanical seal Place the external rotary face 6D with its O ring 6L and external spring 6F onto the stub shaft 10 The stub shaft has a pin 11 which locks the external rotary seal of the double mechanical seal First insert the O ring 6L inside the rotary face 6D groove Continue by placing the spring 6F onto the stub shaft until reaching the shaft shoulder passing the spring at the back of the ...

Страница 17: ... 6 ft lb to secure the backplate Be careful not to hit the seal with the stub shaft end 5c Internal Rotary Seal Sub Assembly First place the spring 6E into the rotary holder 6A Note that the cut side must be centered with the pin inside the rotary holder It is recommended to place the tips of the spring touching the rotary holder inside surface Then place the O ring 6I in the groove on the rotary ...

Страница 18: ...O ring seals between the stub shaft the rotary holder and impeller Now insert the impeller and tight it with the impeller nut Do not forget to place the impeller gasket into the impeller nut Figure Q 5e Due to the action of the two springs it is normal to require some force to compress the assembly when placing the rotary seal on to the stub shaft Tighten the assembly as it is indicated in step 3c...

Страница 19: ...flushes 9 on to the backplate one on top and one at the bottom It is recommended to feed clean water to the double mechanical seal with a pressure of 10 to 15 psi maximum This water should be from an external line Use the bottom racor as the inlet and the top as the outlet Figure S Outlet Figure S ASSEMBLY ...

Страница 20: ...ing 2 onto the groove on the front of the backplate Take the casing 1 and place it onto the adapter Position the discharge at the desired location and use the four hexagonal screws 20 and washers 19 to install the casing Figure T 20 19 1 2 Horizontal Position Figure T To fix the casing use the torque value of 6 ft lb for models 114 214 216 316 and 11 ft lb for models 218 318 328 428 4410 6410 Vert...

Страница 21: ...apter It is highly recommended for safety reasons not to operate the equipment if the guard is not placed on the adapter Figure U and V Figure U Figure V Important Notes For Operation Before starting the pump check that the motor turns in a counterclockwise direction Keep the suction line flooded and the mechanical seal lubricated with the fluid which is going to be pumped Never operate the pump w...

Страница 22: ...obstruction and open valves 2 INSUFICIENT FLOW a Motor speed too low b Incorrect rotation direction c Obstruction in discharge piping or closed valves d Impeller damaged a Check electric connections and motor b Reverse one of the motors three phases If direction does not change contact manufacturer c Remove obstruction and open valves d Replace impeller 3 EXCESSIVE POWER CONSUMPTION a Motor speed ...

Страница 23: ...Operation and Maintenance Manual Centrifugal pump TR IS Series www wrightflowtechnologies com ...

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