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John Deere AC-350 User Manual

Page 21

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Service

Operator’s Manual

1

MAINteNANCe (CONtINUeD):

(Fig. )

(Fig. )

(Fig. )

WArNING: NeVer SerVICe heAter WhILe

It IS pLUGGeD IN, CONNeCteD tO

prOpANe SUppLY, OperAtING Or

hOt. SeVere BUrNS AND eLeCtrICAL

ShOCK CAN OCCUr.

ONLY A qUALIFIeD SerVICe perSON

ShOULD SerVICe AND repAIr

heAter.

UPPER SHELL REMOvAL:

1. Remove screws along each side and top of heater using

5/16" nut-driver. These screws attach upper and lower

shells together (Fig. ).

. Lift upper shell off.

FAN BLADES AND AIR DEFLECTORS:

1. Remove upper shell. (see Mantenance: Upper Shell

Removal).

2. Clean fan blades and air deflectors with clean, soft cloth

moistened with kerosene or solvent (Fig. ).

3. Dry fan blades and air deflectors thoroughly.
. Replace upper shell.

SPARK PLUG:

1. Remove upper shell. (see Mantenance: Upper Shell

Removal).

. Remove spark plug wire from spark plug (Fig. ).
3. Remove spark plug from burner head using 13/16"

open-end wrench (Fig. ).

. Replace spark plug if damaged or heavily coated with

carbon.

. Clean and regap spark plug electrodes to .07 inch

(Fig. 6).

6. Install spark plug in burner head.
7. Attach spark plug wire to spark plug.
8. Replace upper shell.

(Fig. 6)

Upper Shell

Fan

Blade

Air

Deflector

Spark Plug

Wire

Spark Plug

Burner

Head

.075

inch