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Warnings 

4

3A8109A

MOVING PARTS HAZARD

Moving parts can pinch, cut or amputate 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 servicing equipment, 
follow the 

Pressure Relief Procedure

 and disconnect all power sources.

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or 
swallowed.

Read Safety Data Sheet (SDS) to know the specific hazards of the fluids you are using.

Store hazardous fluids in approved containers, and dispose of it according to applicable guidelines.

PERSONAL PROTECTIVE EQUIPMENT 

Wear appropriate protective equipment when in the work area to help prevent serious injury, including 
eye injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not 
limited to:

Protective eyewear, and hearing protection. 

Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturers.

EQUIPMENT MISUSE HAZARD

Misuse can cause 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 com-
ponent. See 

Technical Specifications

 in all equipment manuals.

Use fluids and solvents that are compatible with equipment wetted parts. See 

Technical Specifica-

tions

 in all equipment manuals. Read fluid and solvent manufacturers’ warnings. For complete infor-

mation about your material, request Safety Data Sheet (SDS) from material supplier or retailer.

Turn off all equipment and follow the 

Pressure Relief Procedure 

when equipment is not in use.

Check equipment regularly. Repair or replace worn or damaged parts immediately with genuine man-
ufacturer’s replacement parts only.

Do not alter or modify equipment. Alterations or modifications may void agency approvals and create 
safety hazards.

Make sure all equipment is rated and approved for the environment in which you are using it.

Use equipment only for its intended purpose. Call your distributor for information.

Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

Do not kink or over bend hoses or use hoses to pull equipment.

Keep children and animals away from work area.

Comply with all applicable safety regulations.

WARNING

Summary of Contents for 25T650

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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