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17
TROUBLE SHOOTING GUIDE (continued)
PROBLEM CAUSE
CORRECTION
No or low pressure
(initial use).
Choke in the “CHOKE” Position.
High pressure hose is too long.
Move choke to the “NO CHOKE” posi-
tion.
Use high pressure hose under 100 feet
(30m).
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.
Spray wand not in low pressure.
Chemical fi lter is clogged.
Chemical screen not in cleaning solu-
tion.
Chemical is too thick.
Pressure hose is too long.
Chemical build up in chemical injector.
Worn seal or packing.
Worn or obstructed valves.
Worn unloader piston.
Work or broken o-ring.
Loose Hose Connection.
Loose Connections.
Piston packings worn.
Work or broken o-rings.
Pump head or tubes damaged from
freezing.
Nozzle Obstructed.
See How to Use Spray Wand section.
Clean fi lter.
Make sure end of chemical hose is
fully submerged into cleaning solution.
Dilute chemical. Chemical should be
the same consistency as water.
Lengthen water supply hose instead of
high pressure hose.
Have parts cleaned or replaced by
Authorized Service Center.
Have parts cleaned or replaced by
Authorized Service Center.
Have parts cleaned or replaced by
Authorized Service Center.
Have parts cleaned or replaced by
Authorized Service Center.
Check and Replace
Tighten.
Tighten.
Have parts cleaned or replaced by
Authorized Service Center.
Have parts cleaned or replaced by
Authorized Service Center.
Have parts cleaned or replaced by
Authorized Service Center.
See Nozzle Cleaning paragraph in
MAINTENANCE section for the correct
procedure.