Hotsy 1.109-037.0, Руководство оператора

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14
Operations
1. Remove both the chassis front and rear panels
from the machine to gain access to the burner
assembly.
2. Turn the gas valve ON/OFF knob to the OFF
position.
3. Disconnect the wire leads to the gas valve.
4. Remove the burner ring assembly from the
machine by removing the U-bolt and the two nuts.
Save all hardware for reassembly after modifica-
tions are made.
5. Disconnect the aluminum gas line from the pilot.
(Refer to Burner Assembly).
6. Carefully remove the LP gas pilot from the burner
ring.
7. Remove the LP gas orifice from the pilot.
8. Install natural gas orifice, Part Number 753141.
9. Carefully remove burner nozzles from burner ring.
10. Enlarge the diameter of each nozzle using a #55
drill bit (.052"). Make sure the holes are drilled
straight and all metal shavings are cleared from
inside nozzles. Carefully reinstall the nozzles into
the burner ring, do not over tighten, do not use pipe
thread sealing compound.
11. Remove regulator cap screw, pressure regulator
adjustment screw and spring.
12. Install the replacement spring, supplied in the
Natural Gas Conversion Kit.
13. Install the new plastic pressure regulator adjust-
ment screw. Assure that the screw top is flush with
the regulator top.
14. Replace the natural gas pilot. Inspect compression
fittings on aluminum gas line. If fittings are
damaged, replace with compression fitting
supplied with orifice kit. To replace compression
fittings cut the aluminum gas line as close to the
old compression fitting as possible. Install new
compression fitting. Install aluminum gas line into
pilot and tighten.
15. Install the burner ring assembly into the chassis
and secure.
16. Connect your natural gas supply to the inlet port of
the machine gas plumbing.
Hotsy 771 / 772 8.941-246.0 - Y
Outlet Pressure Tap
To Burner Ring
Pilot Outlet
Pilot Adjustment
(Under Cap Screw)
ON/OFF Knob
Inlet Pressure Tap
Pressure Regulator
Adjustment
(Under Cap Screw)
Gas Valve
Gauge
Connect Gas
Here
Not Supplied w/Machine
Burner Ring
Gas
Pilot
Gas Orfice &
Alumninum Gas Line
Wire Lead To
Gas Regulator
Valve
PARTS
CAPSCREW
PRESSURE REGULATOR
ADJUSTING SCREW
SPRING
BLACK
BLACK
RED
SILVER
BLACK
STAINLESS
STEEL
COLOR CODE FOR
LP GAS NATURAL GAS
Pressure Regulator Housing