Graco Inc 2104G, 800-100, 801-191 manual Ioubleshooting Problem, Cause, Solution

IOUBLESHOOTING
PROBLEM	CAUSE		SOLUTION
Engine Will Not Start	No gasoline in fuel tank or		Fill the tank with gasoline, open fuel shut-off
3r HardToStart.	carburetor.		valve.
			Check fuel line and carburetor.
	Water in gasoline or old fuel.		Drain fuel tank and carburetor. Use new fuel
			and dry spark plug.
	Chokedimproperly.Flooded		Open choke and crank engine several times to
	engine.		clear out the gas.
	Dirty carburetor air filter		Remove and clean.
	Spark plug dirty	or improper	Clean, adjust the gap or replace.
	gap.
	Spray gun closed.		Trigger spray gun.
ingine Misses Or Lacks	Partially plugged air filter.		Remove and clean.
’ower	Spark plug dirty,	wrong gap,	Clean, adjust the gap, or replace.
	or wrong type.
	Incorrect ignition	timing.	Time engine.
-ow Pressure	Worn nozzle.		Replace with nozzle of proper size.
	Belt slippage.		Tighten or replace; use correct belts and replace
			both a t same time.
	Air leak in inlet plumbing.		Disassemble,reseal, and reassemble.
	Relief valve stuck, partially plug- Clean, and adjust relief valve: check for worn
	ged or improperly adjusted;		and dirty valve seats. Kit available.
	valve seat worn.
	Inlet suction strainer clogged or Clean. Use adequate size. Check more
	improper size.		frequently.
	Worn packing. Abrasives in		Install proper filter. Check flow available to
	pumped fluid or severe cavita-		pump.
	tion. Inadequate water supply.
	Fouled or dirty inlet or discharge Clean inlet and discharge valve assemblies.
	galves.
	Worn inlet or discharge valves.		Replace worn va1ves;valve seats and/or
	Leaky discharge hose		discharge hose.

’ump runs extremely rough, ~ressure low.

Nater leakage from under he manifold.

Restricted inlet or air entering the inlet plumbing.

Inlet restrictions and/or air leaks. Stuck inlet or discharge valve.

LeakingH.P. seals.

Worn packing.

Proper size inlet plumbing; check for air tight seal.

Clean out foreign material, replace worn valves.

Replace seals.

lnsrall new packing.

Nater in pump crankcase.	May be caused by humid air
	zondensing into water inside the
	crankcase.

Change oil at 3 month or 500 Hour intervals us- ing Graco Crankcase Oil (other approved oil every month or 200 hours) P.N. 801-144.

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