Manual

6
Mr. Heater | Big Buddy Operating Instructions and Owner’s Manual
PARTS LIST:
SEE BACK PAGE FOR PARTS ORDERING INFORMATION
REF. # ITEM # DESCRIPTION
1 78402 HANDLE, ASSEMBLY, GRAY
78441 HANDLE, ASSEMBLY, BLACK
2 78403 FAN, SWITCH
3 78442 BACK, FAN, COVER
4 78404 BACK PANEL ASSEMBLY
(Includes parts 3, 5, 6, 7, and 8)
5 78405 FAN, BLOWER, WHEEL
6 78407 FAN, INTAKE, COVER
7 78408 DOOR, BATTERY, COVER, GRAY
78443 DOOR, BATTERY, COVER, BLACK
8 78409 BATTERY, TERMINALS
9 78410 DOOR LEFT SIDE COVER, GRAY
78444 DOOR LEFT SIDE COVER, BLACK
10 78411 LEFT, SIDE, COVER, GRAY
78445 LEFT, SIDE, COVER, BLACK
11 78412 (2) REGULATORS, MH18B
12 78413 TIE, WRAPS
13 78414 BRACKET, LEFT, SIDE, REG,
14 78415 LEFT, SIDE, GAS, SUPPLY, LINE
15 78518 FRAME, ASSEMBLY
16 78417 BRACKET, RIGHT, SIDE, REG,
17 78418 KNOB, CONTROL, RED
78512 KNOB, CONTROL, GREEN
18 78419 DOOR, RIGHT, SIDE, COVER, GRAY
78446 DOOR, RIGHT, SIDE, COVER, BLACK
19 78420 RIGHT, SIDE, COVER, GRAY
78447 RIGHT, SIDE, COVER, BLACK
20 78421 VALVE, CONTROL, ASSEMBLY
21 78422 PILOT, ASSEMBLY
22 78423 SHIELD, HEAT, BACK
23 78424 SHIELD, HEAT, FRONT
24 78516 COVER, FRONT, RED
78529 COVER, FRONT, YELLOW
78528 COVER, FRONT, GREEN
25 78519 GUARD, WIRE FACE
78520 GUARD, WIRE FACE, HD
26 78427 BRACKET, BOTTOM, PLENUM, ASSEMBLY
27 78428 PILOT, BRACKET
28 78515 REFLECTOR
29 78526 TILE
30 78525 TILE, GASKET (NOT SHOWN)
31 78517 PLENUM, BODY 2 REQUIRED)
32 78432 BRACKET, TOP, PLENUM, ASSEMBLY
33 78436 RUBBER FEET (4) NOT SHOWN
34 73403 TIP OVER SWITCH
9 Inspectandcleanpilot(mountedtobracket)byusinga
vacuumorapplyairpressurethroughtheholesinthe
pilotindicatedbythearrowsinFigure3.
WARNING:Neveruseneedles,wires,orsimilar
cylindricalobjectstocleanthepilottoavoiddamaging
thecalibratedrubythatcontrolsthegasflow.
10Applyairpressureintoceramictileofburner(s)assembly
andtheventuritube(with[2]airopenings)toremove
dust,lintorspiderwebs.
11 Reinstalllowerbafflewith(3)screws
12 Slidebackcoverover(2)plastichooksontopofheater.
Makesurerearcoveralignswithplasticsidecovers.
Install(4)screwstoholdinplace.
TROUBLESHOOTING INFORMATION:
IfSparkelectrodedoesnotproducespark.
 CHECK
• Sparkelectrodebroken–replace.
• Igniterwiremaynotbeattachedtospark
electrode–attach.
• Igniterwiredamaged–replace.
• Piezoigniteroncontrolvalvedefective–replace
controlvalve.
If Spark electrodeproduces spark but pilotdoesnot light.
 CHECK
• Nogastoheater–installdisposablecylinder
orconnecthoseandturnonvalveatremote
cylinder.
• “PILOT”positionnotproperlyaligned–turngas
controlknobto“PILOT”positionanddepress.
• Pilotisblockedfromspiderwebordirt–clean
pilot,seeMAINTENANCE.
IfPilotflamedoesnotstaylitwhenknobisreleased.
 CHECK
• Controlknobin“PILOT”positionnotcompletely
depressedorheldinlongenoughtopurgeairfrom
lines.
• Pilotflamenotsurroundingthermocouple–
cleanpilot,seeMAINTENANCE.
• PilotAssemblydefective–replace.
• Tipswitchwiresdisconnected–connect.
IfMainburner(s)doesnotignite.
 CHECK
• Mainburner(s)orificeisblocked–clean
burner(s),seeMAINTENANCE.
IfHeaterkeepsshutting“OFF”duringnormaloperation.
 CHECK
• Pilotisblocked–cleanpilot,seeMAINTENANCE.
• Provideminimumfreshairopeningof18square
inches(example41/4”x41/4”opening).
• Tipoverswitchactivatedfrombumpingheater.
Relight
ACCESSORIES:
ITEM # DESCRIPTION
F273701 5ft.PROPANEHOSEASSEMBLY(Swivel1”-20MaleThrowawayCyl.Thd.XP.O.L.w/Handwheel)
F273702 12ft.PROPANEHOSEASSEMBLY(Swivel1”-20MaleThrowawayCyl.Thd.XP.O.L.w/Handwheel)
F272702 12ft.PROPANEHOSEASSEMBLY(Swivel1”-20MaleThrowawayCyl.Thd.XP.O.L.w/Handwheel)
F273699 FuelFilter(ReplaceAnnually)
F271802 12ft.PROPANEHOSEASSEMBLYw/quickdisconnectfittingsand3/8”femaleflarefitting
F271803 12ft.PROPANEHOSEASSEMBLYw/quickdisconnectfittingsand11”W.C.regulatorw/Acmenut.