Troubleshooting; Parts List - Mr. Heater MH18B Instrucciones De Operación Y Manual De Usuario

NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
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.

PARTS LIST:

SEE BACK PAGE FOR PARTS ORDERING INFORMATION
REF. # ITEM #
1
3
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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34
Mr. Heater | Big Buddy 6 Operating Instructions and Owner's Manual
DESCRIPTION
78402 HANDLE, ASSEMBLY, GRAY
78441 HANDLE, ASSEMBLY, BLACK
78442 BACK, COVER
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