Delta D28569 User Manual download pdf (Page 18)

18- ENG

D28569

Water leaking

at pump

Water leaking at

gun/spray wand

connection

No or low

pressure

(after period of

normal use)

PROBLEM

CAUSE

CORRECTION

Spray wand not in low pressure.

See How to Use Spray Wand

paragraph in the Operation

Section.

Chemical screen not in chemical

Clean filter.

Chemical too thick.

Dilute chemical. Chemical should

be the same consistency as

water.

Pressure hose is too long

Lengthen water supply hose

instead of high pressure hose.

Chemical build up in chemical

injector.

Have parts cleaned or replaced

by AWSC.

Worn seal or packing

Have replaced by AWSC.

Worn or obstructed valves.

Have replaced by AWSC.

Worn unloader piston.

Have replaced by AWSC.

Check and replace.

Loose hose connection.

Loose connections.

Tighten.

Piston packings worn.

Have replaced by AWSC.

Worn or broken o-rings.

Have replaced by AWSC.

Pump head or tubes damaged

from freezing.

Have replaced by AWSC.

Will not draw

chemicals

Insure end of chemical hose is

fully submerged into chemical.

Chemical filter clogged.

Worn or broken o-ring.

Tighten.

Oil leaking at

pump

Oil seals worn. Have replaced by AWSC

Loose drain plug.

Worn drain plug o-ring

Worn fill plug o-ring.

Pump overfilled.

Incorrect oil used.

Vent plug is clogged.

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 prob-

lem persists, replace plug.

Nozzle obstructed.

See Nozzle Cleaning paragraph in

the Maintenance section for the

correct procedure.

Pump Pulsates

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