PROBLEM

Will not draw chemicals

No or low pressure (after period of normal use)

Water leaking at gun/wand connection

Water leaking at pump

Oil leaking at pump

CAUSE

Wand not in low pressure.

Chemical filter clogged.

Chemical screen not in chemical

Chemical too thick.

Pressure hose is too long

Chemical build up in chemical injector.

Worn seal or packing Worn or obstructed valves. Worn unloader piston.

Worn E-Z start valve.

Worn or broken o-ring.

Loose hose connection.

Loose connections.

Piston packings worn.

Worn or broken o-rings.

Pump head or tubes damaged from freezing.

Oil seals worn.

Loose drain plug.

Worn drain plug o-ring

Worn fill plug o-ring.

Pump overfilled.

Incorrect oil used.

Vent plug is clogged.

CORRECTION

See How to Use Wand paragraph in the Operation Section.

Clean filter.

Insure end of chemical hose is fully submerged into chemical.

Dilute chemical. Chemical should be the same consistency as water.

Lengthen water supply hose instead of pressure hose.

Have parts cleaned or replaced by AWSC.

Have replaced by AWSC.

Have replaced by AWSC.

Have replaced by AWSC.

Have replaced by AWSC.

Check and replace.

Tighten.

Tighten.

Have replaced by AWSC.

Have replaced by AWSC.

Have replaced by AWSC.

Have replaced by AWSC

Tighten.

Check and replace.

Check and replace.

Check for correct amount.

Drain and fill with correct amount and type of oil.

Clean vent plug; blow air through it to remove any blockage. If problem per- sists, replace plug.

17- ENG

D26221

Page 17
Image 17
Porter-Cable D26221-025-1, PCK4040SP instruction manual Cause, Correction