Rural King RK55 Shuttle Shift Series Operator's Manual page 126

Circulation Diffuser
▶ C IRCUlATION dIFFUSER
With the circulation vent set in any
position outside air will still be pulled
into the cab.
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▶ H EATINg SYSTEM
The heater is switched on and ad-
justed by rotating the control knob
at the roof console, then switching
on the blower and setting the selec-
tor at the preferred speed.
To warn the cab up quickly, the knob
should be rotated fully clockwise
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and the blower set to speed 3.
The screen is demisted or defrosted
by air directed through a slot vent.
For defrost or fast demist, all other
vents should be closed off.
IMPORTANT
Ventilation is provided by a

single blower unit serving both
the heating system and the air
conditioning system.
After reaching the desired

temperature adjust the system
to suit your needs.
CABIN SYSTEM
① Speed Heating Fan
② Electric Resistances
③ Recirculation Inlets
④ Pivotal Air Diffuser
⑤ Air Filter
NOTE
For ideal system operation, the

engine must run at 1,000 rpm.
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