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2 - Introduction
This part of the manual contains information and repair procedures that help personnel in charge understand
and correct problems. The first part contains basic information regarding operations carried out by various
parts of the heater. It provides basic knowledge on how the main components work during heater operation.
The second part covers troubleshooting and provides a quick reference manual regarding conditions
resulting from customer complaints. These procedures will help personnel in charge of repairs quickly
diagnose the problem.
Preparations before making repairs
A clean work area is essential for an effective repair operation. Clean extremely dirty heaters before repairing
them. Sometimes cleaning the machine will highlight the problem. A set of tools is necessary to carry out the
repair. Searching for the necessary tools causes delays that lead to loss of time and money.
Always use clean fuel when testing the heater. Many problems originate from the use of unsuitable or dirty
fuel. Use caution and good sense when working on a heater and always remember:
that kerosene and diesel oil are inflammable so handle them with care;
to watch out for thermal shock;
that some parts of the heater get hot during operation. Touching these parts may cause severe
burns.
R
equired tools
In addition to common workshop tools, Customer Service should have the following items and tools to repair
the heater properly.
Figure 1 – Multimeter. Figure 2 – Feeler gauge. Figure 3 – Manometer.
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