Form No. 43539470
Oct 2019 A
–18–
Main Burner and Orifice: Check the Main burner and orifice; remove any dirt or debris including spider
webs.
Periodic Cleaning of Cabinet: Periodically clean the external part of the cabinet areas first by blowing the
cabinet off with compressed air then using water spray and brushing lightly. CAUTION: The heater shall not
be operated for one hour following any wash-down.
Dust released from a heater can cause a grain dust explosion. Heaters must be turned off during cleaning.
Safety Labels: Replace safety and all other labels if they are no longer visible. See section 17 for
replacements.
14.0)
SERVICING
It is essential that at least once a year, preferably before the heating season, the heater is serviced by a qualified
person. In exceptionally dirty conditions, more frequent servicing may be desirable.
After any maintenance and/or replacement of components the heater must be re-commissioned to ensure proper
operation. After working on gas carrying components the appliance must be checked for gas leaks and pressure
settings verified.
See Section 15 how to remove and change replacement parts.
IMPORTANT:
1.
Do not rest anything, especially ladders, against the appliance.
2.
Gas and electrical supplies must be isolated before commencing servicing work or replacement of
components.
3.
Unless instructed to the contrary, re-assemble components in reverse order.
4.
Check all joints for gas soundness after carrying out any servicing of the appliance.
5.
On completion of a service/fault finding task which has required the breaking and re-making of
electrical connections, the following checks must be made.
a. Ground (earth) continuity check.
b. Polarity check.
c. Resistance to earth check.