Cleveland Range HA-MKGL-100-CC-T, HA-MKGL-60-T manual Kettle Venting, Vacuum Leak Test Procedure

KETTLE VENTING

INSTRUCTIONS Pressure

Relief Valve

		150	200
	100			250
		20
50			30
		10		40	300
0	0			50
	I
	R				350
	A
	T
	N		60
	E				400	Valve
	V		psi
				kPa		Ring

Access

Panel

The following venting procedure should be followed when the Vacuum/Pressure Gauge needle is in the "VENT AIR" zone:

NOTE: Check for and eliminate leaks prior to venting (See REPAIRING LEAKS IN STEAM JACKETED KETTLE FITTINGS).

DANGER: PRESSURE RELIEF VALVE WILL EXHAUST HIGH

TEMPERATURE STEAM. CONTACT WITH SKIN COULD RESULT IN SERIOUS BURNS. KEEP FACE,

HANDS AND BODY CLEAR OF DISCHARGE.

			DANGER: WORKING ON MACHINES
			WITH POWER COULD RESULT IN
			SEVERE ELECTRICAL SHOCK.
5		6				1. Remove Access Panel from
				7		back of main kettle console.
4
						2. Turn kettle ON and set temperature
					8
						control to 10, heat the empty kettle
3
						until unit cycles off.
					9
						3. Vent kettle by pulling Valve Ring
2
	1		10			eight to fifteen times, holding
						valve open for two seconds
OFF						each time.
						NOTE: If unit cycles ON, stop
						venting and wait for kettle to cycle
						OFF before continuing.
						4. Turn kettle OFF. Add cold water
						to kettle until its surface
						temperature is below 100°F. The
						pressure gauge needle should
						be in the green zone, indicating a
						vacuum in the kettle’s jacket.
	150	200				5. If needle is in the green zone then
100		250
50	20	30				venting was successful. If not
	10	40		300
						repeat procedure.
0		50
I
R				350
A
T
N		60
E
V		psi		400
			kPa

VACUUM LEAK TEST

PROCEDURE

If the kettle will not hold vacuum, test for leaks at:

A.Water Level Probe.

B.Pressure Relief Valve/Pressure Gauge and connecting plumbing.

C.Boiler Drain Cap.

D.Sight Glass.

LEAK TEST PROCEDURE:

1.Heat kettle until unit cycles off.

2.Shut off power to the kettle at the fused disconnect switch.

3.Spread Bubble Type Leak Detector over suspected areas and watch closely for bubbles.

4.Repair areas as required.

REPAIRING LEAKS IN STEAM JACKETED KETTLE FITTINGS

If unit will not hold a vacuum the most likely cause is a leak at one of the fittings.

Often, the easiest way to eliminate a leak is reseal the suspect areas.

1.Water Level Probe

Remove,clean threads, apply teflon thread sealant and reinstall.

2.Pressure Relief Valve

A/ Inspect for signs of leaks. Replace if required. B/ Remove, clean threads, apply teflon thread sealant and reinstall.

3.Pressure Gauge

A/ Inspect face of gauge. If it contains moisture on the inside of face replace.

B/ Check tightness of plumbing connection to pressure Gauge.

3.Sight Glass

A/ Check tightness of sight glass.

B/ Replace "O" ring if required.