Sherwin-Williams 824102 - Troubleshooting Engine and Performance Issues; Engine Start, Power, and Running Problems; Pump Pressure and Leak Diagnosis

8 824111
Troubleshooting
Relieve the pressure (see page 3) before you proceed with troubleshooting.
Problem Cause Solution
Engine will not start
or is hard to start.
No gasoline in fuel tank or carburetor Fill the tank with gasoline, open fuel shut off valve.
Check fuel line and carburetor.
or is hard to start.
Low oil
Check fuel line and carburetor.
Add to proper oil level.
Start/Stop switch in STOP position Move switch to START position.
Water in gasoline or old fuel Drain fuel tank and carburetor. Use new fuel and dry
spark plug.
Engine flooded or improperly choked Open choke, and pull engine several times to clear out
Dirty air cleaner filter
gas. Use a dry spark plug.
Remove and clean.
Spark plug dirty, wrong gap, or wrong Clean, adjust the gap, or replace.
plug type
Gun not triggered
Trigger gun while starting engine.
Engine misses or
lacks power.
Partially plugged air cleaner filter Remove and clean.
lacks power.
Spark plug dirty, wrong gap, or wrong
plug type
Clean, adjust the spark plug gap or replace.
Low pressure and/or Worn or wrong size tip Replace with tip of proper size.
pump runs rough.
Inlet filter clogged Clean. Check more frequently.
Worn packings, abrasives in water, or
natural wear
Check filter. Replace packings. See Pump Service on
pages 10 and 12.
Inadequate water supply Check water flow rate to pump.
Fouled or dirty inlet or discharge valves Clean inlet and discharge valve assemblies. Check
filter.
Restricted inlet Garden hose might be collapsed or kinked.
Worn inlet or discharge valves Replace worn valves. See Pump Service on pages
10 and 12.
Leaking high-pressure hose Replace high-pressure hose.
Water leaks from
under pump
manifold.
Worn packings Install new packings. See Pump Service on pages
10 and 12.
Water on oil side of
pump
Humid air condensing inside crankcase Change oil as specified in Maintenance, page 6.
pump
Worn packings
Oil seals leaking
Install new packings. See Pump Service on pages
10 and 12.
Oil seals leaking
Install new oil seals. See Pump Service on pages
10 and 12.