Fig. 22
1. Remove pressure tap plug and connect
manometer to the pressure tap located on the far
left burner port.
Fig. 23
2. Check manometer reading. The reading should
be 5" W.C. for natural gas and 10" W.C. for
propane gas. Tolerance is ±0.3" W.C.
3. If manifold pressure is not correct, adjust the
regulator. Remove the regulator closing nut.
Fig. 24
4. Insert a flat edge screwdriver through the top of
the regulator. While watching the manometer,
turn the adjusting screw clockwise to increase
pressure and counterclockwise to decrease
pressure.
5. Install the regulator closing nut.
Clean pipe threads and apply thread
sealant that is suitable for use with propane gases.
6. Reninstall pressure tap plug.
BURNER NOZZLE CHECK
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
The burner nozzle is mounted between the griddle gas
supply tubing/mounting bracket and the u-burner
assembly. If burner operation seems poor and other
systems have been checked, access the burner for
the griddle section being serviced and remove the
burner nozzle.
1. Check for blockage or damage.
RRG SERIES HEAVY DUTY GAS GRIDDLE - SERVICE PROCEDURES AND ADJUSTMENTS
F45514 (0214) Page 14 of 24
