Graco 16H960, 16N655, 16N927, 16N654, 16N656 important safety instructions See Charging the Battery

Page 25

Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Sprayer sprays with poor results

Tip is partially clogged

See Unclogging Tip/Guard

 

 

Assembly, page 18.

 

 

 

 

Tip filter is partially clogged or dam-

Clean or replace filter. See page 13.

 

aged.

 

 

 

 

 

Material being sprayed is aerated

Do NOT shake material. Stir the mate-

 

because it was shaken.

rial or check the manufacturer’s recom-

 

 

mendation for the material being

 

 

sprayed.

 

 

 

 

Material being sprayed is too cold to

Warm material.

 

spray.

 

 

 

 

 

Pressure adjustment is not set cor-

Readjust pressure setting. See Setting

 

rectly.

Pressure, page 15.

 

 

 

 

Material being sprayed is too thick.

Thin material with proper reducer rec-

 

 

ommended by material manufacturer.

 

 

 

 

Incorrect tip for application of material.

Change tip size.

 

 

 

 

Tip is worn or damaged.

Replace tip.

 

 

 

 

Tip is not in correct position.

Rotate tip to SPRAY position.

 

 

 

 

Inlet or outlet valves are worn.

See Repair manual.

 

 

 

 

Prime/Pressure Relief valve is worn

Replace Prime/Pressure Relief valve.

 

out.

 

 

 

 

 

Accumulator is frozen and not function-

Check to see if accumulator moves

 

ing properly.

when spraying. If frozen, replace accu-

 

 

mulator.

 

 

 

Battery is discharged but charger still

Damaged battery.

Replace battery.

displays green light when battery is

 

 

inserted.

 

 

 

 

 

Battery does not last long.

Battery life varies with material, tip size,

See Charging the Battery, page 7.

 

pressure, and speed setting.

 

 

 

 

Prime/relief valve is moving and

Tip is clogged.

Unclog tip.

making a popping noise while spraying.

 

 

Pressure is too high

Turn pressure control knob counter-

 

 

clockwise.

 

 

 

 

 

Increase tip size.

 

 

 

 

Front valve housing is clogged.

Remove front valve housing and clean.

 

 

 

 

Tip is not in correct position.

Rotate Tip to SPRAY position.

 

 

 

 

Accumulator is frozen and not function-

Check to see if accumulator moves

 

ing properly.

when spraying. If frozen, replace accu-

 

 

mulator.

 

 

 

Pump keeps losing prime.

Air is getting into the bag system

Ensure lid is tight.

 

 

 

 

 

Ensure liner is not pinched and creating

 

 

an air leak path.

 

 

 

 

 

Change lid and liner. Retry.

 

 

 

 

Material is too thick.

Properly mix material to shear thin the

 

 

material.

 

 

 

 

 

Warm up material to reduce viscosity.

 

 

 

 

 

Thin material with proper reducing

 

 

agent.

 

 

 

 

Prime/Pressure Relief valve is not

Make sure Prime/Pressure Relief valve

 

properly sealed.

is fully assembled with thread sealant

 

 

applied to threads.

 

 

 

3A2308C

25

Image 25
Contents Model Protective Coating Hand-Held Paint Sprayer 3A2308CTable of Contents Grounding Instructions Skin Injection Hazard Charger Electric SHOCK, Fire and Explosion Hazard Description Component IdentificationCharger Status Indicator Lights Charging the BatteryOperation Sprayer Status Indicator Trigger Locked Common ProceduresTrigger Unlocked red ring is visible Adjusting Pressure Ti19655a Ti19656a Ti19654a Ti19653a Starting a New Job SetupSee Grounding Instructions, Perform Pressure Relief Procedure, Install/Service Filter if neededFilling and Installing Cup Install Tip/Guard Assembly if not installedPriming Pump Setting PressureTi19655a Ti19656a Ti19654a Ti19653a Triggering Sprayer Getting Started with Basic TechniquesAiming Sprayer Pulsating MaterialUnclogging Spray Tip/Guard Assembly Flushing Sprayer Shutdown and CleaningRemove cup and properly dispose contaminated fluid Storage Cleaning Sprayer ExteriorParts Part Description Qty Parts ListInstall/Service Filter, TroubleshootingRemoved. See Install/Service Filter Job or Refilling the Cup,See Charging the Battery, Spray Pattern Diagnostics See Shutdown and Cleaning, Inlet Valve RepairOutlet Valve Pressure Control Knob Pump Module/Drive Module Pump Rebuild Kit Clamshell Route wires from motor down the handle Motor/Control Board Replacement Kit Ti19632a Ti19641a Switch Assembly Install trigger lock over trigger with o-ring facing out Gear Replacement Ti19857a Ti19860a FCC Declaration for Battery Charger Technical DataMetric 3A2308C 3A2308C Graco Information Graco Standard Warranty