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INSTRUCTION MANUAL

 

AR 252

AR252 - 650 

RPm

 - S

emi

-H

ydRAuLic

 T

wo

 d

iAPHRAgm

 P

umP

m

odeL

 m

Ax

 gPm m

Ax

 L/m

in

m

Ax

 PSi  m

Ax

 B

AR

HP P

oweR

w

eigHT

 

L

BS

.

AR252-SP/SGC

6.5

24.6

362

25

1.42

8.8

AR252-SP/A5/8

6.5

24.6

362

25

1.42

8.8

AR252-GR-GCI5/8

6.5

24.6

362

25

1.42

8.8

AR252-GR-GCI3/4

6.5

24.6

362

25

1.42

14

AR252-GR/A5/8-GCI

6.5

24.6

362

25

1.42

14

GCI - Pump with a 

mounted control unit.

d

iAPHRAgm

 K

iTS

m

odeL

d

eScRiPTion

AR43281

BlueFlex

AR43278

NBR

AR43279

Desmopan

V

ALVe

 K

iTS

m

odeL

d

eScRiPTion

AR2408

Valves

V

ALVe

 K

iTS

m

odeL

d

eScRiPTion

AR2408

Valves

V

ALVe

 K

iTS

m

odeL

d

eScRiPTion

AR2408

Valves

V

ALVe

 K

iTS

m

odeL

d

eScRiPTion

AR2408

Valves

o-R

ing

 K

iTS

m

odeL

d

eScRiPTion

AR2409

O-Rings

o

iL

m

odeL

d

eScRiPTion

AR64532D

Oil

AR64532D-C Case (6)Oil

140° F - Max Water Temp 

3/4” - Suction

3/8

” 

Hose Barb

- Outlet

Summary of Contents for AR252

Page 1: ...42 8 8 AR252 GR GCI3 4 6 5 24 6 362 25 1 42 14 AR252 GR A5 8 GCI 6 5 24 6 362 25 1 42 14 GCI Pump with a mounted control unit diAPHRAgm KiTS modeL deScRiPTion AR43281 BlueFlex AR43278 NBR AR43279 Desmopan VALVe KiTS modeL deScRiPTion AR2408 Valves VALVe KiTS modeL deScRiPTion AR2408 Valves o Ring KiTS modeL deScRiPTion AR2409 O Rings oiL modeL deScRiPTion AR64532D Oil AR64532D C Case 6 Oil 140 F M...

Page 2: ...AR252 Pump ...

Page 3: ...ition Spraying Operation Rotate Red Knob so the A is in the 12 o clock position Adjust pressure with black knob AR1990 Control Unit for the AR252 Pumps AR252 Control Unit Operation Instructions A C letters A and C are shown in white for clarity Pressure Adjustment Knob Bypass Hose Barb Outlet Hose Barb Optional Gauge Red Pressure Startup Release ...

Page 4: ...Do not draw in liquids at temperatures above 50 C or below 5 C Do not use the pump in drinking water supply systems Do not use the pump on products for human consumption Do not use the pump on pharmaceutical products Do not use the pump without first checking that the intake and delivery circuit pipelines are correctly secured and free from leaks Do not use the pump without the safety devices prov...

Page 5: ...on diagram guideline The following is a simplified illustration of the typical installation layout and is purely guideline Control Unit by pass Control Unit Delivery line filter Tank Agitation Pump Intake filter ...

Page 6: ... see Technical Data free from restrictions and elbows and with a filter of suitable capacity see Installation For occasional duty such as filling water supply tanks the pump can be operated at a vacuum drawing in liq uids from reservoirs having the surface of the liquid up to 5 m below the pump intake fitting for periods of no more than 15minutes Drawing in liquids from lower levels or for longer ...

Page 7: ...missing ordamaged contact the dealer or manufacturer to agree the procedures to be followed The packaging material must be disposed of appropriately in accordance with the relevant statutory require ments Transport The pumpmay be shipped by a variety ofmeans oftransport road rail sea or air depending on itsdestination Secure the packaging firmly to the vehicle duringtransport to preventrandom move...

Page 8: ...ng a vacuum gauge to the pump intake fitting The rated pressure of the outlet hose fittings and clamps must be no less than the maximum rated pressure ofthe pump Replacing the intake and outlet fittings provided onthe pumpby the manufacturer withsmaller diameter alternatives may reduce the pump s performance and void the warranty Mounting the pump The pump must be installed on a horizontal surface...

Page 9: ...e red adjustment knob with the letter C in the 12 o clock position Starting and stopping the pump To start the pump proceed as described below 1 When starting the pump keep the control unit in the full bypass position until the pump has primed The full bypass position is indicated by the red knob rotated so that the letter C is in the 12 o clock position 2 After starting the pump and after the pum...

Page 10: ...artridge See Inspecting the filter Pump Checking the oil level See Checking the oil level Connection of pump to power Inspection Every working day source pulley belt coupling Pump Inspect mounting See Inspecting the pump mounting Pipes and connections Inspection See Inspecting the connections and pipes Pressure accumulator if in Check inflation pres See Checking the Every 100 working stalled sure ...

Page 11: ...ect the inlet filter cartridge If the cartridge is fouled wash it thoroughly to remove the dirt If the cartridge is torn or cracked it must be replaced Checking the oil level Check the oil with the pump level ensuring that it has been running for at least 5 minutes in normal working conditions If the oil level is not visible or completely full add or remove oil to restore this level and check stil...

Page 12: ...with a pressure gauge The accumulator is inflated by the manufacturer for use of the pump at its maximum pressure For adaptation of the accumulator pressure to the working pressure refer to the table below a I I 1 bar 1 3 3 12 12 20 20 50 I I I l I I I o psi 15 44 44 174 174 290 290 725 bar psi 1 15 1 3 15 44 3 5 44 73 5 7 73 102 ...

Page 13: ...the pump of products which are often corrosive and may damage its wetted parts over the long term If thepump is instorageduring the winter in locations with severe weather conditions it is very important to flush out the internal circuit as described above and then fill the pump with A R Pump Saver AR64511 Then take care to drain the liquid from the system and the pump Putting the pump back into s...

Page 14: ...r Restriction in intake circuit Intake filter fouled Intakecircuit not airtight Residual air left inside pump Valve plate stuck to its seat Pressure accumulator deflated Pressure accumulator deflated Restriction in intake circuit Intake filter fouled Pump drawing in liquid from too low a level Remedy Tighten repair or replace hoses and fittings as necessary Move control switching leverto By pass s...

Page 15: ...ft worn Oil pressure inside pump too high Restore correct oil level in tank One or more diaphragms ruptured Stop the pump at once Replace the diaphragms 1 Oil on pump body or base Pumpusing too much oil oil flowing from delivery port or oil whitish in color water oil emul sion in tank ...

Page 16: ...7 36 37 104 38 24 70 124 22 23 112 110 110 111 125 126 126 125 66 AR 252 19 18 31 20 28 27 32 30 5 16 7 17 8 21 6 15 12 113 107 108 Versions GR Version A5 8 107 97 99 98 60 59 22 58 57 56 53 52 51 50 35 22 43 49 48 22 45 41 42 35 39 48 40 54 105 106 22 S G C 47 46 55 52 109 V R I 130 96 101 127 129 4 4 102 41 128 103 80 5 SP ...

Page 17: ...0 Guide 1 59 800470 Knob 1 60 480550 Ring Circlip Ø e 12 1 290PSI 61 800010 Pump body 1 62 550057 Plug 1 63 800190 Semi air chamber lower 1 Buna 800191 Semi air chamber lower 1 Viton 800192 Airchamber Diaphragm 1 BlueFlexTM 64 800230 Semi air chamber upper 1 Black 800232 Semi air chamber upper 1 Red 65 800650 Air valve 1 66 550040 O ring Ø 26 65x2 62 1 67 540290 Bolt TCEI M8x25 4 T T205 68 800390 ...

Page 18: ... 1 2 G 64 121 74 4 75 13 SP SGC AP SP SGC CR xS Ø 80 H8 22 Ø15 12 Ø14 22 33 Ø6 N 3fori 120 2 23 R45 R17 5 Ø 8 5 67 19 Ø 20 74 21 7x4 M6x15 222 135 220 Ø15 5 Ø 8 5 19 67 Ø 20 74 21 7x4 M6x15 Ø 18 Ø 10 Ø 8 5 135 222 Ø 1 2 G 121 64 74 Ø 15 87 M6 Ø 1 2 G 64 121 74 4 75 13 SP SGC AP SP SGC CR xS Ø 80 H8 22 Ø15 12 Ø14 22 33 Ø6 N 3fori 120 2 23 R45 R17 5 Ø 8 5 55 162 67 198 19 Ø 20 Ø 20 74 21 7x4 M6x15 2...

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