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TROUBLE SHOOTING GUIDE continued
Problem
Washer fails to draw detergent.
Detergent solution too weak.
Detergent solution too concen-
trated.
Detergent in rinse cycle.
Dilution of detergent concentrate
during cycle.
Unloader cycles.
Fluid leaking from body.
Unloader will not come to pres-
sure.
Extreme pressure spikes.
See pages 30 - 31 for Parts List and Schematic Diagram.
Probable Cause
Detergent metering valve closed, or
valve clogged or defective.
Back pressure in hose (when using
additional lengths of pressure hose).
Back pressure in pressure hose (when
using dual lance wand).
Suction tube not below liquid surface.
Clogged or damaged suction strainer.
Clogged detergent strainer.
Air leak in detergent suction tube or
inlet plumbing.
Original detergent too concentrated.
Dual lance wand or adjustable nozzle
holder in open position or chemical
metering valve open.
Worn or defective internal check valve.
Defective check valve in detergent
tank.
Fitting leaking downstream.
Piston or valve spring broken or worn.
Clogged nozzle.
O-ring worn or cut.
Foreign particle in valve.
Nozzle worn or wrong size.
Piston or valve worn.
Adjusting nut turned completely into
unloader.
Clogged nozzle.
Solution
Open detergent metering valve, following procedure in operating
instructions.
Contact dealer for proper injector size when adding lengths of
hose.
Use proper size flood nozzle in dual lance wand (refer to parts
breakdown).
Completely submerge suction tube and strainer in detergent
solution.
Clean or replace strainer.
Clean or replace strainer.
Find air leak and clean or replace parts as necessary.
Dilute product as necessary to achieve proper concentration.
Close dual lance wand adjustable lance holder to achieve high
pressure. Close detergent metering valve.
Repair or replace check valve or injector parts as necessary.
Replace parts as necessary.
Tighten/replace fitting.
Replace parts as necessary.
Clean or replace nozzle.
Replace part as necessary.
Clean or replace valve.
Replace part as necessary.
Replace part as necessary.
Back off adjusting nut.
Clean or replace nozzle.
9
Jet-Set JM-1450™
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