Problem
Will not draw chemicals
No or low pressure
(after period of normal use)
Water leaking at gun/spray wand
connection
Water leaking at pump
Pump pulsates
20
S
8 — t
ection
roubleShooting
Cause
1. Spray wand not in low pressure.
2. Chemical filter clogged.
3. Chemical screen not in cleaning solution.
4. Chemical too thick.
5. Pressure hose is too long.
6. Chemical build up in chemical injector.
1. Worn seal or packing.
2. Worn or obstructed valves.
3. Worn unloader piston.
1. Worn or torn o-ring.
2. Loose hose connection
1. Loose connections.
2. Piston packings worn.
3. Worn or torn o-ring.
4. Pump head or tubes damaged from
freezing.
1. Nozzle obstructed.
Remedy
1. See How to "Use Spray Wand" paragraph
in the Features and Controls Section.
2. Clean filter.
3. Make sure end of detergent siphon hose
is fully submerged into cleaning solution.
4. Dilute chemical. Chemical should be the
same consistency as water.
5. Lengthen water supply hose instead of
high pressure hose.
6. See an authorized service dealer.
1. See an authorized service dealer.
2. See an authorized service dealer.
3. See an authorized service dealer.
1. Check and replace.
2. Tighten.
1. Tighten.
2. See an authorized service dealer.
3. See an authorized service dealer.
4. See an authorized service dealer.
1. See "Nozzle Cleaning" paragraph in the
Maintenance section for the correct
procedure.