Check the heating system, C 4.74, Operating instructions – Holder C-Trac 4.74 User Manual
Page 178: Maintenance every 500 hours
Operating instructions
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177
C 4.74
Maintenance every 500 hours
2
1
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Check the heating system
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Turn the rotary knob (2) CCW to the OFF position.
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Run the engine warm.
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Turn the rotary knob (2) CW to the ON position.
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Set the heating blower switch (1) to stage 2. Warm air
should flow out of the heating nozzles.