Exhaust Primer

Exhaust Primer – Air Operated Primers

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Exhaust Primers (EP) are air operated primers comprised of an Ejector and cast iron Adapter that has a cap and handle attached. Unit operates on low engine exhaust pressure or air pressure from other sources. When the exhaust valve (adapter cap) is closed, gases are directed through ejector, and water is drawn to pump by ejector vacuum.

*Note: When ordering an EP, ejector size is determined by engine displacement in cubic inches, and adapter size is determined by the outer diameter of the exhaust pipe and whether or not the pipe is threaded.
Example: Engine displacement is 250 cubic inches, and the diameter of the exhaust pipe is 3 inches, therefore you need an EP250-300 3NPT.

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download Exhaust Primer catalogue

FEATURES

Simple design, no moving parts.

Cast iron adapters come in a variety of sizes, to be mounted on a plain or threaded exhaust ends.

Priming can be completed in 10 seconds to two minutes.

Suction lifts of 20 ft. may be obtained under typical conditions.

Units are designed to produce vacuum of 18 to 22 inches of mercury (Hg).

INSTALLATION & OPERATION OF PROTEK EXHAUST PRIMER

Use adapter to attach ejector to engine exhaust stack.
- Pump discharge must be closed while priming. This can be done by installing a discharge check valve or hand operated gate valve.
Install vacuum gauge and priming valve on priming line, between the valve and ejector.
- Vacuum gauge should indicate priming rate of 18-22 Hg.
- PSIs should be between 12 and 15 or 1500-2300 RPMs.
After priming is completed, lay handle and brass cap 180 degrees from priming position to allow exhaust to escape.

MAINTENANCE
Before every use, check the unit for accumulated build-up of dirt or soot from the engine exhaust.

If vacuum gauge is not working, replace before using EP.

SAFETY & RECOMMENDATIONS

EPs will not work effectively on single cylinder or two cycle (two strokes) engines.
Installing a Tachometer on the engine is useful to determine RPM.
Priming line air leaks may prevent priming.
Protek does not recommend the use of EPs on turbo engines.
Call Protek Technical Support for additional help.

Exhaust Primer – Parts

PARTS		PART#	DESCRIPTION
Adapter		E0000	1” NPT / 1 ½” PE Adapter
		E0001	1 ¼” NPT / 1 ¾” PE Adapter
		E0002	1 ½” NPT / 2” PE Adapter
		E0003	2” NPT / 2 ½” PE Adapter
		E0004	2 ½” NPT / 3” PE Adapter
		E0005	3” NPT / 3 ½” PE / 4” PE Adapter
		E0007	4” NPT / 4 ½” PE Adapter
Exhaust Valve		E0014	1 ¾” Brass
		E0015	2 ⁵⁄8” Brass
		E0016	3 ¹⁄4” Brass
		E0017	4 ¹⁄16” Brass
		E0018	5” Brass
Ejector		E0090	60/90 Ejector
	E0090 Includes:	E1379	60/90 Venturi
		E0315	60/90 Gasket
		E1369M	60/90 Base
		E0091	150/225 Ejector
	E0091 Includes:	E2715	150/225 Venturi
		E2315-A	150/225 Nozzle Tip
		E2315	150/300 Nozzle Base
		E0092	250/300 Ejector
	E0092 Includes:	E2925	250/300 Venturi
		E2315-B	250/300 Venturi
		E2315	150/300 Nozzle Base
		E0093	350/500 Ejector
	E0093 Includes:	E1384	350/500 Ventur
		E0141	350/500 Gasket
		E3940	350/500 Nozzle Base
		E0008	⅜ x ⅜ x ¼” Priming Tee
		E0022	Clamp
		E0323	Handle
		E0333	Vacuum Gauge
		E0334	⅜” FPT Brass Valve
		X0E17	⅜” NPT x 1” Close Nipple (2 Req.)