![Snap-On 642672 Instruction Manual Download Page 24](http://html.mh-extra.com/html/snap-on/642672/642672_instruction-manual_1307360024.webp)
TROUBLESHOOTING GUIDE
Problem
Probable Cause
Solution
Unit does not reach
maximum pressure or
pressure is irregular
5. Water supply is over
I00°F / 37.7˚ C
6. Water inlet filter is
clogged.
7. Water leaking from
either Hose or Unit.
8. Pressure hose is
blocked or leaks.
9. Spray wand is on low
pressure position.
10.Nozzle worn or not
correct size.
11.Gun or Hose failure.
12.Pump sucking air
from hose connec-
tions.
13.Pump, Unloader or
Valves are clogged or
worn.
5. Provide cooler water
supply.
6. Clean the Screen filter
(see instructions).
7. Stop water from
leaking before using
the unit or Call
Customer Service:
1-888-278-8092.
8. Clear blocks in pres-
sure hose or replace
hose.
9. Turn spray wand to
high pressure
position.
10.Replace nozzle.
11.Call Customer
Service:
1-888-278-8092.
12.Make sure connection
fittings are properly
tightened.
13.Call Customer
Service:
1-888-278-8092
No detergent
1. Spray wand is in high
pressure position.
2. Detergent is too thick.
3. Damaged or clogged
detergent suction tube.
4. Nozzle is clogged with
debris.
1. Turn Pressure Adjust
Collar to low pressure
position.
2. Dilute detergent.
3. Call Customer Service:
1-888-278-8092.
4. Unclog nozzle using
provided cleaning
needle.
23
Summary of Contents for 642672
Page 29: ...28 ...