Stihl SR 450 Product Instruction Manual - Page 24

English "Standard" meterng knob Knob position 1 2 3 4 5 Discharge rate (l/min) (mean value) 0,69 1,42 1,86 2,25 2,64 "Fine" meterng knob Knob position 1.0 1.8 2.3 Discharge rate (l/min) (mean value) 0,17 0,43 0,76 ULV metering knob Knob position 0.5 0.65 0.8 Discharge rate (l/min) (mean value) 0,05 0,09 0,14 Discharge rate with pressure pump (special accessory) Spray tube horizontal (0°) "Fine" meterng knob Knob position 1.0 1.8 2.3 Discharge rate (l/min) 0,66 1,87 3,00 ULV metering knob Knob position 0.5 0.65 0.8 Discharge rate (l/min) 0,19 0,33 0,48 Checking flow rate N Place the unit on the ground. N Fill the container with water up to 10 liter mark. Machines without pressure pump N Set the "standard" metering knob to "5". N Start the machine. N Hold the spray tube horizontally, run the engine at full throttle, spray the contents of the container down to the 5 liter mark and note the time taken. The time required to spray 5 liters fluid should be betweeen 110 and 140 seconds. Machines with pressure pump (special accessory) N Set the "fine" metering knob to 2.3. N Start the machine. N Hold the spray tube horizontally, run the engine at full throttle, spray the contents of the container down to the 5 liter mark and note the time taken. The time required to spray 5 liters fluid should be betweeen 90 and 120 seconds. In case of deviations: N Check the container, hose system, metering knob and optional pressure pump for cantamination and clean if necessary. N Check blower air intake and clean if necessary. N Check engine setting and correct if necessary. If there is no improvement, contact your dealer for assistance. 22 SR 430, SR 450