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Repair 

16

3A8109A

12. Install the new motor with the two T-20 6lobe 

screws. Torque to 26-32 in-lbs (3-4 N•m).

13. Attach the new motor shroud to the motor with the 

top and bottom tabs.

14. Reinstall the gear cover (3).

15. Reinstall the gear assembly per step 3 of 

Replace 

Gear Assembly

, page 16.

Replace Gear Assembly

1.

Follow steps 1-7 in 

Replace Fluid Module

, page 

15.

2.

Apply supplied grease to both bearing and gear of 
the new gear assembly.

3.

Insert the bearing tab of the new gear assembly 
assembly into the pocket of the plunger, and rock 
the gear back and forth or spin the gear while 
pushing the fluid module and gear assembly 
together.

4.

Follow steps 11-14 in 

Replace Fluid Module

, pag

15.

Replace Motor

1.

Follow steps 1-4 in 

Replace Fluid Module

, page 

15.

2.

Install the new motor with the two T-20 6lobe 
screws. Torque to 26-32 in-lbs (3-4 N•m).

3.

Attach the new motor shroud to the motor with the 
top and bottom tabs.

4.

Reinstall the gear cover (3).

5.

Reinstall the gear assembly per step 3 of 

Replace 

Gear Assembly

, page 16.

Reinstall G-JR Pump

1.

Reconnect the wires that were disconnected in step 
5 in 

Remove G-JR Pump

, page 14.

NOTE: 

Connect the white wire from the controller to the 

blue wire from the motor, and the black wire with the 
white stripe from the controller to the black wire from the 
motor.

2.

Secure the mounting plate to the front of the 
enclosure (1) with the four screws (5) and lock nuts 
(20), with the Harrier controller bracket (25) secured 
by the top two screws.

3.

Slide the enclosure lid (7) back into position and 
tighten the screws to secure.

NOTICE

Do not over-torque the T-20 6lobe screws. Doing so 
may damage the plastic brush housing in the motor 
and result in problems with the motor shroud tabs 
locking properly.

NOTICE

Do not over-torque the T-20 6lobe screws. Doing so 
may damage the plastic brush housing in the motor 
and result in problems with the motor shroud tabs 
locking properly.

Содержание 25T650

Страница 1: ...n explosive atmospheres or hazardous classified locations Not recommended for use with chemicals outside of the pH range of 4 9 See page 2 for model information including maximum working pressure Impo...

Страница 2: ...t 10 Prime the Pump 11 Calibrate Chemical Dosage 11 Troubleshooting 12 Repair 13 Remove G JR Pump 13 Replace Fluid Module 14 Replace Gear Assembly 15 Replace Motor 15 Reinstall G JR Pump 15 Parts 16 G...

Страница 3: ...grounded hoses Stop operation immediately if static sparking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work ar...

Страница 4: ...death or serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system co...

Страница 5: ...ents inside the enclosure 1 by removing the lid 7 and pump cover 4 to FIG 1 G JR Pump Components 1 Enclosure 2 G JR Pump Module 3 Harrier EZ JR Controller 4 Pump Cover 6 Base 7 Lid included with Enclo...

Страница 6: ...less steel element to filter particles from the fluid before it reaches the pump Fluid Shutoff Valves L shuts off fluid flow Pressure Relief Valve D overpressure protec tion Flush Before Using Equipme...

Страница 7: ...nly component in FIG 3 supplied by Graco All other com ponents are supplied by customer Key A G JR pump B Power Source C Tank D Pressure Relief Valve Required E Inlet Line F Outlet Line G Pressure Rel...

Страница 8: ...tlet J See FIG 1 on page 5 2 Connect a 1 4 npt f fluid line from the fluid source to the Pump Inlet H 3 Install a Pressure Relief Valve D on the outlet side of the pump See FIG 3 on page 7 NOTE A Pres...

Страница 9: ...DC models 25T650 connect red wire on the controller 15 to the red wire on the power supply 13 and the black wire on the pump 2 to the black wire of the power supply 13 To reduce the risk of electrical...

Страница 10: ...luid being dispensed and the equipment s wetted parts 1 Perform the Pressure Relief Procedure 2 Connect the Pump Inlet H to the flushing fluid sup ply source See FIG 1 on page 5 3 Connect the Pump Out...

Страница 11: ...ntroller in conjunction with baseline chemical dosage settings in Table 1 Baseline Chemical Dosage Settings page 12 2 Adjust the cycle rate on time on your Harrier control ler accordingly after the ca...

Страница 12: ...OFF sec ON sec OFF sec ON sec OFF sec ON sec OFF sec ON sec OFF sec ON sec OFF sec 0 0 3 300 0 5 239 0 7 239 0 2 60 0 5 59 0 7 59 500 0 4 300 0 5 179 0 7 179 0 3 60 0 6 59 1 0 59 1000 0 4 240 0 6 179...

Страница 13: ...line is loose Tighten Fluid leaking Loose fittings Tighten fittings Worn or damaged seals and or packing Replace Fluid Module page 15 Motor running but no fluid moving Pump stalled Check pump for con...

Страница 14: ...ws 5 and lock nuts 20 to remove the Harrier controller bracket 25 4 Remove the four screws 5 and lock nuts 20 to remove the G JR pump 2 and mounting plate from the enclosure 1 5 Unplug the two motor w...

Страница 15: ...ile pulling the fluid module and gear assembly apart 8 Discard the fluid module and install the new fluid module 9 Insert the bearing tab into the pocket on the plunger of the new fluid module and roc...

Страница 16: ...the new motor shroud to the motor with the top and bottom tabs 4 Reinstall the gear cover 3 5 Reinstall the gear assembly per step 3 of Replace Gear Assembly page 16 Reinstall G JR Pump 1 Reconnect t...

Страница 17: ...Parts 3A8109A 17 Parts G JR Chemical Injection Pump 1 2 3 4 5 20 12 17 7 6 21 10 11 18 20 15 19 25 12 14 13 20 5 12 Models 25T650 12 VDC and 25T651 115 VAC...

Страница 18: ...9 Screw machine phillips pan head 10 24 UNC SST included in ref 25 2 20 Nut lock with nylon insert included in ref 2 and 25 10 21 15G303 Label warning electrical model 25T651 only 1 25 25T828 Bracket...

Страница 19: ...See Motor Electrical Connections on page 9 Environmental temperature range ordinary location 40 120 F 18 50 C Noise dBa Maximum sound pressure 70 dBa Inlet Outlet Sizes Fluid inlet size 1 4 in npt f F...

Страница 20: ...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 WARRAN...

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