Williamson Series 2 - Page 28

28
Part Number 550-142-785/0812
GWI Series 2 Gas-Fired Water Boilers – Boiler Manual
11 Service and maintenance continued
 Theboilercontainsceramicberandberglassmaterials.Usecarewhenhandlingthesematerialsperinstructionson
page 48ofthismanual.Failuretocomplycouldresultinseverepersonalinjury.
❏ Inspect ❏ Inspect
Reported problems
Inspect anyproblems reported by owner and correct before
proceeding.
Boiler area
1. Verifythat boilerareais freeofanycombustiblematerials,
gasolineandotherammablevaporsandliquids.
2. Verifythat boiler area (and air intake)isfree of anyofthe
contaminants listed in Table 2 on page 5ofthismanual.Ifany
ofthesearepresentintheboilerintakeairvicinity,theymust
beremoved.Iftheycannotberemoved,installcombustionair
piping to the boiler in accordance with national, provincial or
local codes.
Air openings
1. Verify that combustion and ventilationair openings to the
boilerroomand/orbuildingareopenandunobstructed.Check
operationandwiringofautomaticcombustionairdampers,if
used.
2. Verifythatboilerventdischargeandairintakearecleanand
freeofobstructions.
Flue gas vent system
1. Visuallyinspectentireuegasventingsystemforblockage,
deteriorationorleakage.Repairanyjointsthatshowsignsof
leakageinaccordancewithventmanufacturer’sinstructions.
2. Verifythatmasonrychimneysarelined,liningisingoodcondi-
tion, and there are not openings into the chimney.
 Failuretoinspectfortheaboveconditionsandhave
them repaired can result in severe personal injury
or death.
Pilot and main burner flames
1. Visually inspect pilot burner and main burner flames as di-
rected under Section 7, page 20ofthismanual.
Water piping
1. Checktheboilerinteriorpipingandallsystempipingforsigns
ofleaks.
2. Repairanyleaksbeforeproceeding.
 Electricalshockhazard—Turnoffpowertotheboiler
beforeanyserviceoperationontheboilerexceptas
noted otherwise in this instruction manual. Failure
toturnoffelectricalpowercouldresultinelectrical
shock,causingseverepersonalinjuryordeath.
Do not use petroleum-based cleaning or sealing
compounds in boiler system. Severe damage to
boiler will occur, resulting in substantial property
damage.
 Eliminateallsystemorboilerleaks.Continualfresh
makeupwaterwillreduceboilerlife.Mineralscan
buildupinsections,reducingheat transfer,over-
heatingcastiron,andcausingsectionfailure.Leak-
ing water may also cause severe property damage.
Boiler heating surfaces
1. Disconnect the vent pipe at the boiler inducer outlet connection
afterturningoffpowertotheboiler.
2. Useabrightlighttoinspecttheuepipeinteriorandinducer
interior.
3. Inspect theboilerventoutlet areaandheating surfacesby
lookingthroughtheopening.
4. Iftheventpipeorinducerinteriorshowevidenceofsoot,fol-
low“Cleaningboilerheatingsurfaces”,page 27, to remove
theuecollectorandcleantheboilerifnecessaryafterclose
inspectionofboilerheatingsurfaces.Ifthereisevidenceof
rustyscaledeposits,checkthewaterpipingandcontrolsystem
tomakesuretheboilerreturnwatertemperatureisproperly
maintained(perthismanual).
5. Reconnectventtoinduceroutlet(sealjointperpage 8)and
replaceallboilercomponentsbeforereturningtoservice.
6. Checkinsideandaroundboilerforevidenceofanyleaksfrom
theboiler.Iffound,locatesourceofleaksandrepair.
Burners and base
1. Afterturningoffpowertotheboiler,removethejacketdoor
andbaseaccesspanel(Figure 21, item 4, page 42).
2. Inspectburnersandallothercomponentsintheboilerbase.
3. Ifburnersmustbecleaned,raiserearofeachburnertorelease
fromsupportslot,slideforwardandremove.Thenbrushand
vacuumtheburnersthoroughly,makingsureallportsarefree
ofdebris.Carefullyreplaceallburners,makingsureburner
with pilot bracket is replaced in its originalposition and all
burnersareupright(portsup).
4. Inspectthebaseinsulation.
a. Verifythattheinsulationisintactandsecureagainstall
foursidesofthebase.
 Ifinsulationisdamagedordisplaced,donotoper-
ate the boiler. Replace or reposition insulation as
necessary. Failure to replace damaged insulation
can result in a fire hazard, causing severe personal
injury, death or substantial property damage.
Condensate drain system
1. Ifventsystemisequippedwithacondensatedrain,checkthe
hoseandconnectionsfortightness.
2. Verifythehoseisunobstructedandingoodconditionandthat
condensatecanowfreely.Replacehoseifnecessary.