Open aperture flap (2) when engine temperature rises above 180 F. If engine
temperature continues to rise after opening aperture flap, remove quilted engine
compartment cover completely to avoid overheating.
(a) Open fuel shutoff cock (5) by
turning it counterclockwise.
(b) Be sure that personnel heater
emergency switch (10) is in the up position.
(c) Pull air control knob (6) to full
(d) Place HI-LO switch (7) in HI or
L O p o s i t i o n , depending on heat
(e) Hold START-OFF-RUN toggle
switch (9) in START position until indicator
light (8) comes on.
Toggle switch (9) is spring loaded and must be held in position.
(f) As soon as indicator light (8) comes on, move START-OFF-RUN toggle switch (9)
quickly to RUN position.