SM-21
Jade Range LLC
– A Middleby Company
Titan
TM
Series Heavy Duty Range
Model Series JTRH, JMRH & JTRHE
REVIEW COPY
7
SERVICE PROCEDURES AND ADJUSTMENTS
In order to provide maximum performance, proper
operation, and insure the safety of the operator,
the range should be serviced at least once a year
by an authorized technician. If a range has not
been in use or has been in storage for an extended
period of time, the equipment should be inspected
by an authorized technician prior to reinstallation
and/or operation.
WARNING
CERTAIN PROCEDURES IN THIS SECTION
REQUIRE ELECTRICAL TESTS OR
MEASUREMENTS WHILE POWER IS APPLIED
TO THE EQUIPMENT. EXERCISE EXTREME
CAUTION AT ALL TIMES. IF TEST POINTS ARE
NOT EASILY ACCESSIBLE, DISCONNECT
POWER, PERFORM THE ELECTRICAL
LOCKOUT/TAGOUT PROCEDURE, ATTACH
TEST EQUIPMENT AND RECONNECT POWER
TO TEST.
When troubleshooting, always reference the
schematic and wiring diagrams to assist in isolating
the problem.
GAS SUPPLY
PRESSURE CHECK
Figure 24: Manometer Tap in Manifold
A. Pressure Tap Plug
B. Manifold
NOTE:
Before adjusting the regulator, verify
proper incoming line pressure.
WARNING
PERFORM THE ELECTRICAL LOCKOUT/
TAGOUT PROCEDURE.
1. Shut off all electrical controls and perform the
Electrical LOCKOUT/TAGOUT procedure.
WARNING
PERFORM THE GAS LOCKOUT/TAGOUT
PROCEDURE.
2. Shut off all gas controls and perform the Gas
LOCKOUT/TAGOUT procedure.
3. Remove the manifold cover plate as described
under COVERS AND PLATES.
4. Turn off the gas supply.
5. Remove one of the plugs from the manifold.
6. Connect the manometer to the manifold.
NOTE:
If the pressure reading is taken at the oven
burner or anywhere other than the main gas manifold
pipe, the pressure reading will not be valid.
7. In a battery arrangement, connect manometer
to the center equipment of the battery.
8. Turn on the gas supply.
9. Check manometer reading. The reading
should be 5.0" W.C. for natural gas and 10.0"
W.C. for propane gas. If pressure is correct,
no adjustment is necessary.
10. Remove the manometer and reinstall plug.
11. If pressure is NOT correct, adjust the
regulator as described under REGULATOR
ADJUSTMENT in this section.
If there is adequate gas supply, there should
never be fluctuation of greater than 0.5" W.C.
