Part number 550-142-058/0811
WM97+ gas-fired water boiler — Boiler Manual
76
Annual startup
HANDLING CERAMIC FIBER
MATERIALS
REMOVING BURNER GASKET or
COVER PLATE INSULATION
The WM97+ cover plate refractory
contain ceramic fiber material.
Ceramic fibers can be converted to
cristobalite in very high temperature
applications.
The International Agency for Re-
search on Cancer (IARC) has con-
cluded, “Crystalline silica inhaled
in the form of quartz or cristobalite
from occupational sources is carci-
nogenic to humans (Group 1).”:
Avoid breathing dust and contact with skin and
eyes.
• Use NIOSH certified dust respirator (N95).
This type of respirator is based on the
OSHA requirements for cristobalite at the
time this document was written. Other
types of respirators may be needed depend-
ing on the job site conditions. Current
NIOSH recommendations can be found on
the NIOSH web site at http://www.cdc.gov/
niosh/homepage.html. NIOSH approved
respirators, manufacturers, and phone
numbers are also listed on this web site.
• Wear long-sleeved, loose fitting clothing,
gloves, and eye protection.
Handle carefully to minimize dust that could
be caused by abrasion.
When replacement is necessary, remove the
refractory from the boiler and place it in a
plastic bag for disposal.
Wash potentially contaminated clothes
separately from other clothing. Rinse clothes
washer thoroughly.
NIOSH stated First Aid
Eye: Irrigate immediately
Breathing: Fresh air.
FIRST-YEAR SPECIAL INSPECTION
It is recommended that you obtain a Weil-McLain
WM97+ Boiler Maintenance kit before attempting
the rst-year inspection, to ensure all parts that
may be needed are available
. This kit includes a heat
exchanger cover plate gasket, burner gasket, new ignitor,
and ignitor gasket. See listing in Replacement parts sec-
tion of this manual. These parts must be on hand when
you perform the first-year inspection in the event they
must be replaced.
Failure to replace the items above when needed could
result in severe personal injury, death or substantial
property damage.
1.
No later than 12 months after the boiler is installed, perform a
first-year inspection of the boiler. This should include the following
in addition to routine annual start-up procedures.
a. Inspect the heat exchanger and clean if necessary (see “Clean-
ing the heat exchanger FLUE SIDE or accessing the burner,
when required,” page 91, and all referenced illustrations and
instructions).
b. Inspect the cover plate refractory and gasket. Replace if not in
good condition.
c. Inspect the burner and inspect carefully. Clean the burner thor-
oughly using a vacuum cleaner and compressed air if needed.
d. Make sure there is no blockage or accumulation of debris in
the burner or the burner ports. Replace the burner if necessary.
e. Check the burner for tightness. Remove the cover plate re-
fractory and tighten the burner mounting screws if needed,
following the instructions on page 91.
f. Disconnect the condensate trap and drain lines. Inspect, then
flush thoroughly. Reinstall and refill the trap per page 70.
2. Determine any follow-up maintenance and service needs based on
the condition of the heat exchanger and condensate lines.
a. If the heat exchanger shows substantial fouling, or if condensate
lines show accumulation of sediment, schedule a follow-up
service call to perform the first-year inspection again, sooner
than the normal twelve months between.
b. Heavy fouling of the exchanger or condensate lines indicates
possible combustion air contamination. Inspect the air intake
area carefully, and remove possible contaminants. See page 15,
for products to avoid.
You must eliminate causes of corrosion and contamina-
tion to ensure reliable operation of the boiler and system.
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