User guide

Carlin part number MNEZ123 Rev. 07/13/11
– 26 –
Model EZ-1/2/3 oil burners — Instruction manual
8. Maintenance procedures
Maintenance/service procedures
Turn off power to appliance when servicing burner. Failure to comply
could result in severe personal injury, death or substantial property
damage.
Cleaning blower wheel
1. The blower wheel accumulates dust and debris from normal operation. You will
needtocleanthewheelbladesperiodicallytopreventreductioninairow.
• Inspecttheblowerwheelbyremovingtheblowerwheelaccesscover.See
Figure 18.
• Toremovethecover,opentheignitorplateandloosentheblowerwheel
access cover screw about three turns.
• Inspecttheblowerwheeltoseeifitneedstobecleaned.Dirtandlinton
thewheelreduceairow,andmustberemovediftheburneristooperate
correctly.
2. To clean blades, remove the two bolts securing the motor to blower housing.
a. Slidethemotoroutandrotatetoremoveandaccessblowerwheel.
b. Use a brush and vacuum to clean each blade and the blower housing
interior.
c. Replacemotor/wheelinblowerhousingandsecurewiththetwobolts.
d. Push wire slack back into junction box.
Figure 18 Remove blower access cover to inspect blower
wheel
Replacing blower motor or wheel
1. If either the blower wheel or motor must be replaced, remove the two bolts
securing the motor to housing.
2. Disconnectthemotorwiresintheburnerjunctionbox.
3. LoosentheAllenscrewsecuringtheblowertothemotorshaftandremovethe
wheel.
4. When assembling the replacement assembly, slide the wheel onto the motor
shaft and use feeler gauges to set a space of 3/64 inch between the blower
wheel and the motor face.
5. Replacethemotor/wheelassemblyinthehousing,wirethemotorleadsand
secure the motor with the two bolts.
Motor maintenance
• TheCarlinPSC motor isconstructedwith permanently-lubricatedbearings,
andrequiresnooiling.Shouldyoureplacetheoriginalmotorwithanothertype
of motor, occasional oiling may be required, depending on motor design and
manufacturer’s recommendations.
• Anytimeyoureplaceacomponentordisassembleanypartoftheburnerfor
service/maintenance, perform a complete operational test after reassembly to
verify the burner operates correctly. Failure to verify operation could result in
severe personal injury, death or substantial property damage.
Checking ignitor
Never test an ignitor by placing a screwdriver (or other metallic
object)acrossthehighvoltageclips.Check40700&40900ignitors
only by observing spark at appliance ignition electrodes, with fuel
supplyOFF.Usinganyothermethodcouldcauseignitordamage
and severe personal injury.
1. Checking41000ignitorsonly:
• Disconnectelectricalpowertoburner.
• Removeholddownclipsorscrews.Liftignitormountingplatetothefull-
openposition.Sethighvoltageclipstoa½”to¾”gap.
• Carefullyenergizeignitorandcheckforsparkarcingatthehighvoltage
terminals. If spark jumps the gap, ignitor is good.
Ceramic fiber materials
The appliance may contain ceramic fiber and/or fiberglass materi-
als. Ceramic fiber materials, such as chamber liners, may contain
carcinogenicparticles(chrystobalites)afterexposuretoheat.Airborne
particles from fiberglass or ceramic fiber components have been
listedaspotentiallycarcinogenicbytheStateofCalifornia.Takethe
following precautions when removing, replacing and handling these
items.
 Avoid breathingdust and avoid contactwith skin oreyes.Wear
long-sleeved, loose-fitting clothing, gloves and eye protection. Use
aNIOSHN95certiedrespirator.Thisrespiratormeetsrequirements
forprotectionfromchrystobalites.ActualjobrequirementsorNIOSH
regulations may require other or additional protection. For information,
refertotheNIOSHwebsite,http://www.cdc.gov/niosh/homepage.
html.
 Ceramic ber removal:To preventairborne dust, thoroughlywet
ceramic fiber with water before handling. Place ceramic fiber
materials in a plastic bag and seal to dispose.
 Avoidblowing,tearing,sawingorsprayingberglassorceramicber
materials. If such operations are necessary, wear extra protection
to prevent breathing dust.
 Wash work clothes separately fromother laundry.Rinse clothes
washer thoroughly afterwards to prevent contamination of other
clothing.
 NIOSHFirstaidprocedures:
Eye exposure — irrigate immediately
 Breathing—freshair.