Jade JTRH Service Manual page 5

SERVICE PROCEDURES AND ADJUSTMENTS .................................................................................... 21
GAS SUPPLY PRESSURE CHECK .................................................................................................... 21
GAS PRESSURE REGULATOR VALVE ADJUSTMENT .................................................................. 22
Check for insufficient gas volume ................................................................................................. 22
TOP BURNER PILOT LIGHT ADJUSTMENT ..................................................................................... 22
OVEN PILOT LIGHT ............................................................................................................................ 23
AIR SHUTTER ADJUSTMENT ............................................................................................................ 23
If the flame is soft, lazy, or yellow: ................................................................................................ 23
If the flame is lifting off the burner: ............................................................................................... 23
TOP BURNER ADJUSTMENT ............................................................................................................ 24
OVEN BURNER ADJUSTMENT .......................................................................................................... 24
OVEN THERMOSTAT ADJUSTMENT ................................................................................................ 25
Oven Thermostat Test and Calibration ........................................................................................ 25
GRIDDLE THERMOSTAT TEST AND CALIBRATION ...................................................................... 26
IGNITION MODULE CIRCUIT CHECK ............................................................................................... 27
PILOT IGNITER INSPECTION AND ADJUSTMENT ......................................................................... 28
DOOR SWITCH TEST ......................................................................................................................... 29
CONVECTION OVEN MOTOR TEST ................................................................................................. 29
Motor Not Working ......................................................................................................................... 29
Motor Works - Noisy or Does Not Sound Right .......................................................................... 30
BURNER INSPECTION AND REPAIR ................................................................................................ 30
Nozzle and Orifice Check .............................................................................................................. 30
TROUBLESHOOTING ................................................................................................................................ 31
SEQUENCE OF OPERATION - CONVENTIONAL OVEN ................................................................ 31
SEQUENCE OF OPERATION - CONVECTION OVEN .................................................................... 31
CONVECTION OVEN WIRING DIAGRAM ......................................................................................... 32
TROUBLESHOOTING CHART ............................................................................................................ 33
COMMERCIAL EQUIPMENT LIMITED WARRANTY ............................................................................... 39
Jade Range LLC - A Middleby Company
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Titan TM Series Heavy Duty Range
Model Series JTRH, JMRH & JTRHE
SM-5