Hale Fyr Port - Manual (Page 17)

Monthly or Every 25 Hours:
1. Expanded aluminum foil element: Clean as follows.
Note: Service air cleaner more often under dusty conditions.
a) Remove (2) screws and washers so foil element and end plates can be removed.
b) Wash foil element in kerosene or liquid detergent and water.
c) Dry foil element by shaking out excess water. Use compressed air if available.
d) Install foil element, end plates, screws and washers on carburetor.
2. Spark Plug: Clean and regap at .030 inch (.8 mm). Spark plug type is Champion
#RL-86C, NGK#BR5HS, AC#R46FF, motorcraft #AER6, and Fram-Autolite #426.
CAUTION: Do not blast clean spark plug. Blasting material could lodge in recesses
of plug and eventually work loose, damaging aluminum bore. Spark plug should be
cleaned by scraping or wire brushing and washing with a commercial solvent.
3. Fuel Filters: General:
a) Place the unit in a horizontal position.
b) Disconnect fuel caddie.
c) Place a rag under the carburetor and fuel line to catch any fuel spillage.
d) Refer to filter maintenance below.
e) Wipe up any additional fuel spillage and discard rag in an approved safety
container.
In-Line Fuel Filter:
a) Remove the two clamps from both sides of filter and pull hoses using a slight
twisting motion.
b) Observe hoses for any signs of cracking or deterioration and replace if necessary.
c) Install a new filter with the word ‘’IN’’ toward fuel caddie connection. Replace
clamps.
Carburetor Fuel Strainer:
a) Remove the screw holding the plastic cover in place (where the fuel line connects
to carburetor). Gently remove the cover, gasket, and strainer screen.
b) Clean screen in a nonflammable solvent, blow dry.
c) Replace strainer screen, gasket, cover and screw.
4. Hoses, Fittings, and Tubes: Clean and check all hoses, fittings and tubes for signs
of cracks, kinks, deterioration, etc. They should have uniform bends; If any are
kinked or collapsed they should be replaced. Fittings and clamps should be tight, but
not overtight.