Operating instructions

M. INTERMITTENT FLAME
1. Dirty oil supply, water in fuel tank.
Check filter and nozzle for cleanliness. Clear tank and filter of water.
2. Low oil supply
Raise fuel level in supply tank.
Oil line cracks and/or loose connections.
Tighten or replace parts to prevent air bubbles (suction leaks) in oil line.
N. WATER LEAKING FROM HEATING COIL COMPARTMENT
1. Drips
Condensation drips (several per minute) are normal.
2. Steady stream leak.
Cracked coil, needs repair or replacement.
O. PRESSURE FAILS TO DROP WHEN GUN VALVE IS CLOSED
1. Defective unloading valve.
Clean or replace.
2. Leak in gun, fittings, hose or coil under high pressure.
Repair leak.
P. LIQUID IN GAUGE
1. Gauge is liquid type, oil is normal.
Replace gauge if empty or low on oil.
2. Water leaking from gauge.
Ruptured mechanism (Bourdon tube). Replace gauge assembly.
Q. PUMP OIL DISCOLORATION
1. White foam – water in oil.
Drain and replace with CAT pump oil or temporarily with S.A.E. 40 non-
detergent motor oil. Faulty intake seals from wear or freezing – replace as
required.
2. Brown foam – rust & water.
Pump may need rebuilding if pressure is dropping and a rapid re-
occurrence of foam in sight glass after several hours of operation with fresh
oil.
TROUBLESHOOTING (CONTINUED)
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