Master SilentDrive MH-220T-SDR User's Manual & Operating Instructions page 9

FUEL FILTER:
The fuel filter should be cleaned at least twice
per heating season. Clean the filter by rinsing
it in clean K-1 Kerosene. Contaminated fuel
could make cleaning the fuel filter necessary
immediately.
NOTE: To remove the filter from models turn filter
90º counter-clockwise. See Figure 6.
Fuel Line
Fuel Filter
Figure 6
SPARK PLUG:
Clean and re-gap every 600 hours of operation, or
replace as needed. After removing the spark plug,
clean the terminals with a wire brush. Re-gap the
terminals to 0.140" (3.5mm) See Figure 7.
Gap (3.5 mm)
Figure 7
© 2018 Pinnacle Climate Technologies, Inc.
NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR
Maintenance
Fuel Tank
Ignitor Wire
Spark Plug
Burner Head
WHILE CONNECTED TO A POWER SOURCE
PHOTOCELL:
The photocell should be cleaned using a cotton
swab dipped in alcohol or water at least once per
heating season, or more depending on conditions.
See Figure 8.
Photocell Wire
Figure 8
NOZZLES:
Nozzles should be cleaned or replaced at least
once per heating season. Contaminated fuel could
make this necessary immediately. To clean dirt
from nozzle, blow compressed air through nozzle
front. It may be necessary to soak the nozzle in K-1
kerosene to loosen any dirt particles. See Figure 9.
Nozzle Face
Nozzle
Dispenser
9
Silent Drive Forced Air Heater User's Manual
Photocell
Photocell lens
X X
Burner Head
Figure 9