Table 4-1. Preventive Maintenance Checks and Services (Monthly and Quarterly)
Item to be inspected
FUEL LINES AND CONNECTIONS
Check for leaks in fuel lines or connections. Replace any faulty lines or connections.
STOVE PIPE CONNECTIONS
Inspect stove pipe joints to be sure they are tightly connected together through the
roof jack assembly. Check also for split seams or rust on pipes. If any are found,
FUEL CONTROL VALVE
Examine fuel strainer for foreign material, service control and strainer. Remove fuel
strainer and clean cavity and screen. If any foreign material is found. Remove inlet
fuel line from siphon tube and flush fuel line with clean fuel oil. Replace fuel line
Inspect and clean siphon. Remove siphon tube from heater. Flush with (clean fuel
oil, then use compressed air. Replace and: tighten connection securely.
Remove burner parts, clean and inspect. Replace any defective parts.
Remove combustion chamber economizer, and inspect. Replace if required.
FUEL AND DRAFT REGULATOR
Test draft regulator for proper draft. Inspect stove pipe connections for tight joints
and proper installation.
Inspect fan mounting bracket for security. Check mounting bushings and electrical
cord for evidence of wear.
Section V. TROUBLESHOOTING
This sectioncontains information useful to organizational maintenance personnel in diagnosing and correcting an
unsatisfactory condition that may exist in equipment.
Table 4-2 list malfunctions which may occur
in this equipment. Each malfunction for
an individual component, unit,
system is followed by a list of tests or inspections which will help you to determine probable causes and corrective
actions to take. You should perform the tests and / or inspections and corrective action in the order listed.
Table 4-2. TROUBLESHOOTING
TEST OR INSPECTION
1. BURNER FAILS TO LIGHT OR FLAME DIES OUT.
Step 1. Check to see if oil is entering burner.
Clean burner inlet and valve strainer.
Step 2. Check to see if draft is low or down.
Correct draft if required.
Step:1. Check to see if siphon or siphon tube is cracked or broken
Replace tube if required.
Step 4. Check to see if air inlet or flue is restricted.
2. INSUFFICIENT HEAT
Step 1. Check to see if fuel is entering burner
Clean burner inlet and valve, if required.