Troubleshooting; Parts List - MrHeater Big Buddy Instrucciones De Operación Y Manual De Usuario

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 cylin-
drical 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.
1 1 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. Re-light
I
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 1 1‰ W.C. regulator w/Acme nut.

PARTS LIST:

SEE BACK PAGE FOR PARTS ORDERING INFORMATION
REF. # ITEM #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
).
30
31
32
33
34
Mr. Heater | Big Buddy Operating Instructions and OwnerÊs Manual
6
DESCRIPTION
78402 HANDLE, ASSEMBLY, GRAY
78441 HANDLE, ASSEMBLY, BLACK
78403 FAN, SWITCH
78442 BACK, FAN, COVER
78404 BACK PANEL ASSEMBLY
(Includes parts 3, 5, 6, 7, and 8)
78405 FAN, BLOWER, WHEEL
78407 FAN, INTAKE, COVER
78408 DOOR, BATTERY, COVER, GRAY
78443 DOOR, BATTERY, COVER, BLACK
78409 BATTERY, TERMINALS
78410 DOOR LEFT SIDE COVER, GRAY
78444 DOOR LEFT SIDE COVER, BLACK
78411 LEFT, SIDE, COVER, GRAY
78445 LEFT, SIDE, COVER, BLACK
78412 (2) REGULATORS, MH18B
78413 TIE, WRAPS
78414 BRACKET, LEFT, SIDE, REG,
78415 LEFT, SIDE, GAS, SUPPLY, LINE
78518 FRAME, ASSEMBLY
78417 BRACKET, RIGHT, SIDE, REG,
78418 KNOB, CONTROL, RED
78512 KNOB, CONTROL, GREEN
78419 DOOR, RIGHT, SIDE, COVER, GRAY
78446 DOOR, RIGHT, SIDE, COVER, BLACK
78420 RIGHT, SIDE, COVER, GRAY
78447 RIGHT, SIDE, COVER, BLACK
78421 VALVE, CONTROL, ASSEMBLY
78422 PILOT, ASSEMBLY
78423 SHIELD, HEAT, BACK
78424 SHIELD, HEAT, FRONT
78516 COVER, FRONT, RED
78529 COVER, FRONT, YELLOW
78528 COVER, FRONT, GREEN
78519 GUARD, WIRE FACE
78520 GUARD, WIRE FACE, HD
78427 BRACKET, BOTTOM, PLENUM, ASSEMBLY
78428 PILOT, BRACKET
78515 REFLECTOR
78526 TILE
78525 TILE, GASKET (NOT SHOWN)
78517 PLENUM, BODY 2 REQUIRED)
78432 BRACKET, TOP, PLENUM, ASSEMBLY
78436 RUBBER FEET (4) NOT SHOWN
73403 TIP OVER SWITCH