MPI KWH124 - Operational Procedures; Fuel Type and Supply Management

3. OPERATIONAL PROCEDURES)
A. FUEL TYPE: Use only crystal clear Type 1-K Kerosene.
B. FUEL SUPPLY
— Precaution -
No water or debris should be allowed to enter the fuel tank. When these two
are mixed with fuel, imperfect combustion can result thereby shortening the life
of the burner.
1. Keep the tank filter cap tight.
2. Do not allow tank to run empty.
If the KWH124 is allowed to operate without fuel, air must be purged in the following
manner:
a. Refill kerosene tank.
b. Allow 30 minutes after refilling to activate KWH124.
(This allows fuel to settle.)
Fuel purge
screw
c. Make sure tank vent is open.
d. Open shut-off valve on fuel tank.
Loosen air purge screw at fuel filter.
Discharge air out of all channels through which fuel runs.
e. Fill the bowl of the unit fuel filter with kerosene.
Fasten fuel purge screw back in original position.
Handle O —Ring of fuel purge screw carefully. A damaged 0 —Ring can cause fuel leakage
and render unit inoperative. Don't misplace 0 —Ring.
f. Wipe all fuel spills off thoroughly.
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