SYMPTOM

Engine won't start

CAUSE

1.Engine throttle is in "OFF" Position.

2.Choke lever has not been placed to choke.

3.Pressure buildup after initialuse.

SOLUTION

1.Slide throttle to "Rabbit" position,

2.Slide choke lever to choke position.

3.Depress trigger gun.

Won'tDraw

1.

Nozzle not in chemical draw position.

1.

Place nozzlsto low pressure_

Chemical

 

2.

Chemical screen is obstructed.

2.

Check chemical screen; clean if obstructed.

 

 

3.

Chemical screen not working.

3.

Make sure chemical screen is submerged in

 

 

 

 

 

 

chemical/water.

 

 

4.

Chemical injector orifice obstructed

4.

Check and clean.

 

 

 

or stuck.

 

 

 

 

 

 

5.

Chemical injector closed.

5.

Open chemical injectorby turning adjustment

 

 

 

 

 

 

knob.

 

Pump running

1.

Water supply restricted.

1.

Check water supply and filter screen for.

normally

but

 

 

 

 

blockage. Check hoses for blockage, kinks,

pressure

does

 

Nozzle is in low PSI pos_lan,

2.

leaks, etc.

not achieve

2.

Pull nozzleat end of wand back to the high pressure

rated values

 

Nozzle incorrector worn.

3.

position.

 

 

3.

Check

and replace.

 

 

4.

Pump sucking air.

4.

Check that hoses and fittings ere air-tight.

 

 

5.

Nozzle blocked.

 

5.

Clean nozzle.

Fluctuating

1.

Pump sucking air.

1.

Check that hoses and fittings are air tight. Purge air

Pressure

 

 

 

 

 

from garden hose.

 

 

 

Garden hose inlet strainer clogged.

2.

 

 

2.

Clean. Check filter frequently.

 

 

3.

Worn Seals or Packing,

3.

Check end replace.

 

 

4.

Inadequate water supply.

4.

Check hose for kinks.

 

 

5.

Fouled or dirty inlet or discharge

5.

Check flow availableto pump. Check for

 

 

 

valves.

hose.

6.

excessive heat, 145o F or above,

 

 

6.

Leaky discharge

Clean inlet and discharge valve assemblies,

 

 

 

 

 

 

Replace if damaged.

Pressure

drops

1,

Nozzle clogged,

partially obstructed.

1.

Use nozzle cleaningkit to clear obstruction.(See

after period of

 

 

 

 

Nozzle Maintenance under Service Adjustment.)

normal use

2.

Nozzle wom.

 

2.

Clean or replace.

 

 

3.

Pump Valves worn, dirty or stuck.

3.

Check

and replace.

 

 

4.

Worn pump piston packing.

4.

Check

and replace.

Pump noisy

1.

Water too hot.

 

1.

Reduce temperature below 63° C or 145° F.

 

 

2.

Pump sucking air.

2.

Check that hoses and fittings are air tight.

 

 

3.

Valves dirty or worn.

3.

Check, clean or replace.

 

 

4.

Worn bearings.

 

4.

Check and replace if necessary.

Presence

of

1.

High humidity.

 

1.

Change Oil.

water in oil (oil

2.

Piston packing and oil seal worn.

2.

Check and replace oil seals.

milky).

 

 

 

 

 

 

 

Water dripping

1.

Thermal relief functioning normal.

1.

Protecting pump, if not using pressure washer for

from pump

2.

Fittings Loose.

 

 

a long period of time, shutoffengine.

 

 

3,

O-rings of piston guide or retainer

2.

Tighten.

 

 

 

worn.

 

3.

Check and replace.

 

 

4.

Piston packing worn.

4.

Check

and replace.

 

 

 

 

 

 

 

Oil Dripping

1.

Oil sealworn

 

1.

Check and replace

 

 

2.

Loose drain plugor worn drain plug

2.

Tightendrainplug or replaceO-ring. Do notovertorque.

 

 

 

o-dng.

 

 

 

 

15

Page 14 Page 16
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Image 15
Craftsman 919.76235 owner manual Symptom, Cause, Solution
Page 14 Page 16

919.76235 specifications

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In conclusion, the Craftsman 919.76235 air compressor delivers an impressive array of features, including a powerful motor, high maximum pressure, portability, and user-friendly operation. Its design prioritizes both efficiency and safety, making it an ideal choice for those seeking a dependable and versatile air compressor for various tasks.
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