Manual

6
Mr.Heater|PortablePropaneHeater OperatingInstructionsandOwner’sManual
TheMH12HBhastwostoragecompartments,withaccess
doors,ontheleftsideoftheheater.
Thepulselightbuttonislocatedintheforward
compartment(Ref.A).Thiscompartmentcanalsobeused
tostoresmalltoolsorsparefuelfilters(notincluded).
Therearcompartment(Ref.B)canbeusedtostorea
spare1#tank(notincluded).
PULSE IGNITION:
The Pulse Ignition Button is located in the front
storage compartment (Ref.5).
Unscrew the button cap to install the “AA” battery
(included), with positive end toward the button.
MAINTENANCE:
Alwayskeeptheheaterareaclearandfreefromcombus-
tiblematerials,gasolineandotherflammablevaporsand
liquids.
Keeptheventareas(slotsinthebottomandthetopatthe
frontandrearofheater)clearatalltimes.
Visuallyinspectthepilotflameandburnerperiodicallydur-
inguse.Thepilotflameshouldbeblueincolor(notyellow)
andwillextendbeyondthethermocouple.Theflamewill
surroundthethermocouplejustbelowthetip,seeFigure6.
Aslightyellowflamemayoccurwherethepilotflame
andmainburnerflamemeet.Theburnershouldbebright
orange(withaslightbluecoloraroundtheborder,ared-
orangehazethatisvisibleontheceramictileisacceptable)
andwithoutanoticeableflame.Ablueflamethatrollsout
atthetopoftheceramictileindicatesanaccumulationof
dust,lintorspiderwebsinsidethecasingassemblyand
mainburnerassembly.Ifthepilotisyellowortheburner
hasanoticeableflame,cleaningmayberequired.Usethe
followingproceduretoinspectthecasingassemblyand
mainburnerassembly.
Itisnecessarytoperiodicallychecktheburnerorificeand
burnerventuritubetomakesuretheyareclearofinsects/
nestsorspiderwebsthatmayaccumulateovertime.A
cloggedtubecanleadtoafire.
1 Allowheatertothoroughlycoolbeforeperformingany
maintenance.
2 Removedisposable1lb.cylinderfromheaterorturn
OFFgassupplyatremotecylindervalve,anddisconnect
hosefromheater.
3 Remove(4)fourscrewsthatsecuretherearcovertothe
Heater.
4 Pivotcoveroutwardfrombottom.Releasefrom2top
clips.Setaside.
5 Remove(4)fourburnerretainingscrewsandfuelline
fromburnerassembly.Removeburnerassemblyfrom
backofhousing.
6 Inspectinteriorofhousingforaccumulationofdust,lint
 orspiderwebs.Ifnecessary,cleaninteriorhousingwith
avacuumcleanerorapplyairpressure.Donotdamage
anycomponentswithinthehousingassemblywhenyou
arecleaning.
A
PulseIgnition
Button
Figure6
Figure5
STORAGE COMPARTMENTS
 outdoors,inawellventilatedspace,outofreachof
children,andmustnotbestoredinabuilding,garage
 oranyotherenclosedarea.
• Indoorstorageoftheheaterispermissibleonlyifthe
cylinderisdisconnectedandremovedfromtheheater.
Cylindersmustbestoredoutdoorsoutofthereachof
childrenandmustnotbestoredinabuilding,garageor
anyotherenclosedarea.
B