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Parts

3A4586E

27

Complete Pump Models 25C420, 25C421, 25C780, 25C781

*

Included in kit 25C503. Optional, ordered separately.

† Included in kit 25C502. Optional, ordered separately.

Replacement warning labels are available at no cost.

Ref.

Part

Description

Qty.

400

MOTOR, 1

17N666 115 VAC
17N667 230 VAC

202* 17P620 COUPLING

1

203

17P642 NUT

1

204

17P621 SNAP RING

1

205

17P616 REDUCER, gear

1

206

17P603 BUSHING, mechanical seal

1

207* 17P604 SEAL, mechanical (includes ref 

207a-207f)

1

207a ----

O-RING

1

207b ----

SEAL, upper

1

207c ----

SEAL, lower

1

207d ----

O-RING

1

207e ----

WASHER

2

207f

----

SPRING

1

208* 17P608 GASKET, PTFE

1

209

17P605 DRIVE SHAFT

1

210* 17P607 GASKET, PTFE

1

211

17P606 ROTOR

1

212* 17P609 GASKET, PTFE

1

213

17P612 SETSCREW

1

214† 16D169 GASKET, Buna-N, (not included)

1

215† 118598 COUPLING, tri-clamp, (not 

included)

1

216† 17P480 HOSE BARB, for 1.5 in. ID hose 

(not included)

1

217

17P617 TUBE, outer

1

218

17P602 RING

1

219

17P618 STATOR, PTFE

1

220

17P619 TUBE, stator

1

221

17S508 TUBE, stator, bag-liner

1

222

17S869 WARNING LABEL, English

1

17S870 WARNING LABEL, multilingual

1

Summary of Contents for 25C411

Page 1: ...for use in explosive atmospheres or hazardous locations For professional use only See page 3 for model information including maximum fluid working pressure Important Safety Instructions Careless pump...

Page 2: ...25C776 25C779 17 Models 25C420 25C421 25C422 25C780 25C781 25C782 19 17N666 and 17N667 Motor Maintenance 21 Parts 22 Complete Pump Models 25C411 25C412 25C413 and 25C414 24 Complete Pump Models 25C42...

Page 3: ...able speed 17S148 39 inches 25C778 17N666 115 VAC variable speed 17S149 47 inches 25C779 17N667 230 VAC Euro plug variable speed 17S149 47 inches Progressive Cavity 25C780 17N666 115 VAC variable spee...

Page 4: ...fingers and other body parts Keep clear of moving parts Do not operate equipment with protective guards or covers removed Pressurized equipment can start without warning Before checking moving or serv...

Page 5: ...e Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manu facturer s re...

Page 6: ...l follow local code To maintain grounding continuity when flushing or relieving pressure hold metal part of the dispense valve firmly to the side of a grounded metal pail then trigger the valve Mounti...

Page 7: ...s to 20 in lb 2 3 N m Wire Connections at the Variable Frequency Drive VFD NOTE For variable speed control the motor must be wired to a VFD Follow the instruction in the VFD manu facturer s manual If...

Page 8: ...0 132 Vac 240 Vac 3 phase FIG 1 16K909 1 5 240 Vac 1 phase 170 264 Vac 240 Vac 3 phase FIG 2 16K910 1 5 208 240 Vac 1 phase 170 264 Vac 208 240 Vac 3 phase FIG 3 16K910 1 5 208 240 Vac 3 phase 170 264...

Page 9: ...supply is free of dirt debris and any contaminants HOSE MATERIAL Check that the hose material is compatible with the fluid being pumped Consult your Graco distributor for available hose materials FAS...

Page 10: ...flush and clean the pump Then store the pump vertically Moving parts can pinch cut or amputate fingers and other body parts Keep your hands and fingers away from the mechanical seal viewing window on...

Page 11: ...p 4 VFD Parameter P112 controls the direction of motor rotation See Reverse Motor Direction page 12 5 VFD Parameter P104 optional controls the rate at which the motor will ramp up to the set speed 6 V...

Page 12: ...frequency setting NOTE To use this feature when operating the pump press the R F key then the M key The drive will slow and the motor will reverse direction Press the RUN key and check that the rolle...

Page 13: ...oblem Cause Solution Pump fails to operate Exhausted fluid supply Refill fluid supply Damaged motor Replace motor No power to motor Ensure motor is plugged in to correct power outlet Pump operates but...

Page 14: ...tions NOTE The pump must be disassembled to clean it thoroughly 1 Remove the pump from the fluid container 2 Flush the system thoroughly with an appropriate cleaning solution See Flushing Procedure pa...

Page 15: ...ing retain the 2 bearings 5 bearing spacer 6 and u cup 7 for re use 6 If the guide sleeve 9 did not come out with the drive shaft remove it now It must be removed from the motor end of the tube becaus...

Page 16: ...he tube for use in the next step Install the connection flange onto the tube Tighten hand tight 6 Install the nut 2 and snap ring 3 on the connec tion flange 10 7 On the drive shaft locate the end wit...

Page 17: ...the impeller 108 with one hand and the motor coupling 112 with the other hand Unscrew the motor coupling or impeller from the drive shaft 104 If the motor coupling unscrews retain the two bearings 107...

Page 18: ...tall the seal 105 bearing 107 bearing spacer 106 bearing 107 and motor coupling 112 4 Insert the drive shaft assembly into the inner tube 103 guide sleeve 114 5 At the exposed end of the drive shaft i...

Page 19: ...the stator tube rotate the stator tube clockwise to remove 5 Grasp the stator tube 220 or 221 and push the ring 218 and stator 219 toward the threaded end of the stator tube and remove them NOTE The s...

Page 20: ...l the gasket 210 to the male end of the drive shaft before threading the rotor Tighten hand tight NOTE Food grade lubricant may be used on the stator to aid insertion into the stator tube 8 While alig...

Page 21: ...t to remove the fan insert two flat screwdrivers from opposite sides under the fan and gently twist the screwdrivers uniformly to pry the fan upwards and off the shaft 3 Remove the bearing cover 404 b...

Page 22: ...rts 22 3A4586E Parts Motors 17N666 and 17N667 Ref 400 411 401 402 403 404 408 410 409 406 405 412 413 414 415 416 417 418 419 432 433 427 407 422 424 425 426 428 427 434 435 429 431 430 408 423 421 42...

Page 23: ...20V 424 17P991 HOUSING switch 1 425 SCREW switch housing 4 110V M5 x 16mm 220V M5 x 25mm 426 SWITCH overload 1 17P994 110V 17P995 220V 427 LEAD switch 2 428 17P997 FILTER EMI 1 429 17P998 BLOCK termin...

Page 24: ...A4586E Hand tighten only 1 Apply sanitary lubricant to threads 2 2 3 4 5 6 7 8 10 16 14 15 2x 11 19 20 18 21 1 2 Complete Pump Models 25C411 25C412 25C413 and 25C414 ti30225a 12 13 9 17 400 1 1 1 2 2...

Page 25: ...ring 1 7 17P628 SEAL PTFE 1 8 DRIVE SHAFT 1 17P624 39 inch 17P625 47 inch 9 17P631 GUIDE SLEEVE PTFE 1 10 17P623 FLANGE connection 1 11 16D169 GASKET Buna N not included 1 12 118598 COUPLING tri clamp...

Page 26: ...Models 25C420 25C421 25C780 25C781 209 210 211 203 205 206 207a 207b 207c 208 217 207e 202 218 219 204 220 ti30223a 212 1 Hand tighten only 1 Apply sanitary lubricant to threads 2 400 213 214 215 216...

Page 27: ...7P604 SEAL mechanical includes ref 207a 207f 1 207a O RING 1 207b SEAL upper 1 207c SEAL lower 1 207d O RING 1 207e WASHER 2 207f SPRING 1 208 17P608 GASKET PTFE 1 209 17P605 DRIVE SHAFT 1 210 17P607...

Page 28: ...416 25C419 25C776 25C779 105 101 103 112 107 106 113 110 108 ti32524a ti32518a ti32517a 1 Hand tighten only 1 Apply sanitary lubricant to threads 2 400 114 120 119 118 1 2 122 115 117 106 104 102 109...

Page 29: ...TUBE inner 1 17U559 39 in 17U565 47 in 104 DRIVE SHAFT 1 17U560 39 in 17U566 47 in 105 17P628 SEAL 1 106 17P644 SPACER bearing 1 107 17P643 BEARING 2 108 IMPELLER 1 17P640 high volume 17P648 high pres...

Page 30: ...p Model 25C422 25C782 310 311 307 315 306 313 320 319 308a 308b 308d 309 308e 316 305 321 314 304 303 318 312 317 ti30224a 1 Hand tighten only 1 Apply sanitary lubricant to threads 2 2 302 301 308f 30...

Page 31: ...seal 1 308 17P604 SEAL mechanical includes ref 308a 308f 1 308a O RING 1 308b SEAL upper 1 308c SEAL lower 1 308d O RING 1 308e WASHER 2 308f SPRING 1 309 17P608 GASKET PTFE 1 310 17P605 DRIVE SHAFT 1...

Page 32: ...ssure psi MPa bar A B C 0 0 10 3 20 6 30 9 40 12 50 15 60 18 70 21 0 0 5 19 10 38 15 57 20 76 25 95 30 114 35 132 Fluid Flow gpm lpm tested in water Key Flow with optional high pressure kit 25C507 ins...

Page 33: ...C781 0 0 1 4 2 8 3 11 4 15 5 19 6 23 7 26 10 0 7 0 07 20 1 4 0 14 30 2 1 0 21 40 2 8 0 28 50 3 4 0 34 60 4 1 0 41 70 4 8 0 48 80 5 5 0 55 90 6 2 0 62 A B C Fluid Outlet Pressure psi MPa bar Fluid Flow...

Page 34: ...11 4 15 5 19 6 23 7 26 10 0 7 0 07 20 1 4 0 14 30 2 1 0 21 40 2 8 0 28 50 3 4 0 34 60 4 1 0 41 70 4 8 0 48 80 5 5 0 55 90 6 2 0 62 A B C D E Fluid Outlet Pressure psi MPa bar Fluid Flow gpm lpm tested...

Page 35: ...Dimensions 3A4586E 35 Dimensions All values are nominal Models 25C411 25C412 25C416 25C417 25C776 25C777 Models 25C413 25C414 25C418 25C419 25C778 25C779...

Page 36: ...Dimensions 36 3A4586E Models 25C420 25C421 25C780 25C781 Models 25C422 25C782...

Page 37: ...0 13 lb 5 9 kg 17N673 17S150 24 lb 10 9 kg 17N674 17S153 23 lb 10 4 kg Wetted Parts all pumps 316 Stainless Steel Buna N PTFE Progressive cavity pumps also contain Silicone Carbide Viton Maximum Visco...

Page 38: ...Technical Data 38 3A4586E...

Page 39: ...MN 55413 Number 02 11 December 31 2018 May 2022 The issuance of this authorization for the use of the 3 A Symbol is based upon the voluntary certification by the applicant for it that the equipment l...

Page 40: ...n material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRA...

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