L.B. White 100 Workman - Standard LP - Manual (Page 11)

11
Service Instructions
PLUG
CONNECTOR
HIGH PRESSURE GAUGE
GAS PRESSURE CHECKS
Fig. 3
ATTENTION
■ This procedure is to be done once a year prior to the
heating season, anytime the heater is moved from one
job location to the next, or after servicing the heater.
MATERIALS REQUIRED
(To be secured through local purchase)
Quantity Description
1 High Pressure Gas Gauge capable of
reading up to 15 PSIG
A. PREPARATION
1. Close fuel supply valve at propane gas supply
container.
2. Allow heater to burn off gas remaining in it’s gas
supply line..
3. Close manual main burner valve on heater.
B. GAUGE INSTALLATION
1. Using an allen wrench, remove the hex plug as shown
in Fig. 3.
2. Attach the pressure gauge to this point. See Fig.3.
3. Open fuel supply valves to heater.
C. READING PRESSURES
1. Start the heater. With the heater operating, the
pressure gauge should read the pressure specified
on the dataplate or in the specification section of this
owner’s manual.
2. Does the pressure reading agree with that given on
the dataplate? If so, no fur ther checking or
adjustment is required. Proceed to section D.
3. If the pressures does not agree with that specified on
the dataplate, then check the following:
-- Improper regulator for heater.
-- Regulator out of adjustment.
(Replace if necessary).
-- Blockage in gas hose.
-- Insufficient size or quantity of propane gas supply
containers.
D. COMPLETION
1. Once the proper pressure has been confirmed, close
fuel supply valves.
2. Allow heater to burn off fuel remaining in gas supply
line.
3. Remove gauge, hose adapter, nipple and tee.
4. Install hex plug. Tighten securely..
5. Tighten all connection securely and check for gas
leaks.
WARNING
■ Do not disassemble the pilot safety control valve.
■ Do not attempt to replace any components of the pilot
safety control valve.
■ The pilot safety control must be replaced if any
physical damage occurs to it.
■ Failure to follow this warning will result in fire or
explosions, leading to injury or death, and building
damage.