KETTLE VENTING

INSTRUCTIONS

 

150

200

 

 

Pressure

100

 

250

 

 

20

 

 

Gauge

50

30

 

 

10

 

40

300

 

 

 

 

 

 

 

 

0 0

 

 

50

 

Pressure

I

 

 

 

Relief

R

 

 

 

350

A

 

 

 

T

 

60

 

V

 

 

Valve

N

 

 

 

 

 

E

 

 

 

 

 

 

 

psi

 

400

 

 

 

 

kPa

 

Guard

Bracket

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 on page #27).

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.

VACUUM LEAK TEST

PROCEDURE

Pressure

Gauge

Pressure

Relief Valve

Water Level

Probe

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

A.Water Level Probe.

B.Pressure Relief Valve.

C.Pressure Gauge.

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.

5 6

7

4

8

3

 

 

9

2

 

1

10

 

OFF

 

1.Remove guard bracket from pressure relief valve/gauge assembly.

2.Set On-Off Switch/Temperature Control to to "10 " (Max.), heat the empty kettle until unit cycles off.

3.Vent kettle by pulling safety valve ring 8-10 times in short 2-3 second blasts with a 5 second interval between pulls.

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

 

150

200

 

100

250

 

 

20

 

50

30

 

10

40

300

 

 

 

0

 

50

 

I

 

 

R

 

 

350

A

 

 

T

 

 

 

N

 

60

 

E

 

 

 

V

 

 

 

psi 400

kPa

NOTE: If unit cycles ON, stop venting and wait for kettle to cycle OFF before continuing.

4.Set On-Off Switch/Temperature Control to to "0" (Max.). 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.

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

5.Replace guard bracket from pressure relief valve/gauge assembly.

on the inside of face replace.

26

Page 29
Image 29
Cleveland Range KGL-25-T, KCL-25-T, KGT-25-T manual Kettle Venting Instructions, Vacuum Leak Test Procedure

KGL-25-T, KGT-25, KGL-25, KGT-25-T, KCL-25-T specifications

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