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– 16 –
11. MAINTENANCE
11.5 SPARK PLUG – FIG.9
− Clean and re-gap every 600 hours of operation,
or replace as needed. After removing the Spark
Plug (2), clean the terminals with a wire brush.
Re-gap (1) the terminals to 3.5mm.
11.6 PHOTOCELL – FIGS.10–11
− The Photocell (1) should be cleaned at least
once per heating season or more depending
on conditions. Use a cotton swap dipped in
water or alcohol to clean the lens (2) of
the Photocell.
− Reposition the photocell correctly – Fig.11.
(3) Photocell bracket.
(4) Photocell.
(5) PC board.
11.7 FUEL FILTER – FIG.12
− The Fuel Filter should be cleaned at least twice
per heating season by rinsing it in clean Diesel
or Kerosene.
− Contaminated fuel could make this necessary
immediately
− 1. Remove side cover screws using nut-driver.
− 2. Remove side cover (2).
− 3. Pull upper fuel line off fuel filter neck
− 4. Carefully pry bushing, fuel filter (1), and
lower fuel line out of fuel tank
− 5. Wash fuel filter with clean fuel and replace
in tank.
− 6. Attach upper fuel line to fuel filter neck.
− 7. Replace side cover.
9
10
FIG.
FIG.
11
12
FIG.
FIG.
– 16 –
(2)
(2)
(4)
(2)
(1)
(1)
(3)
(1)
(5)
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