Congratulations on your Duun TF220 snow blower. All Duun tractor operated machines have been engineered and tested in close cooperation with representative users to produce functionally safe and user-friendly machines. Please read this instruction manual before using the machine. Good luck!
CONTENT MACHINE INDETIFICATION SAFETY WARRANTY TERMS TECHNICAL DATA PREPARATION FOR USE CONNECTION SERVICE AND MAINTENANCE GEARBOX SHEAR – BOLT COUPLINGS OPERATIONAL RISKS PRACTICAL USE DISCONNECTION DECLARATION OF CONFORMITY...
SAFETY All operators, mechanics and the owner must always work carefully with agricultural machinery. Read and observe safety instructions in this instruction book. Be particularly aware of warning signs with this symbol, it marks measures that must be carried out in order to avoid accidents. The symbol appears in the instruction manual and on warning signs on the machine.
Page 5
Power transmission shaft The tractor is disengaged and the handbrake is applied before the shaft is connected to the tractor's PTO. The maximum power output speed is 540 rpm. The drive shafts are always to be equipped with original protection covers.
Page 6
Always lower the machine to safety rest at ground level when it needs to be parked. Never work under a lifted device unless it is mechanically secured against coming down. Before startup after servicing make sure all tools have been removed and brought into place. Do not work in clothing that can be retracted into moving parts of the machine (e.g.
Replaced parts are to be kept until a decision has been made with reference to the claim and the replaced parts are to be forwarded to Duun Industrier as for assessment if so required. As the employment of the product is beyond our control, we may only guarantee the quality and do not accept liability for the product's general performance.
Page 9
Features: TF220 Weight 620 kg Width (a) 2200 mm Inner width 2025 mm Max length (b) 1240 mm Side length (c ) 940 mm Three-point linkage (d) 540 mm Working height of chassis (e) 800 mm Inner height 720 mm...
Page 10
Transportation and management before use Snow blower housing is always lifted with strap attachments as illustrated. Please note that a single snow blower weigh is approx. 620 kg. Use lifting equipment suitable for this weight!! Installation of the ejector spout and drive motor for this The bracket with the oil motor is unscrewed by...
Preparation for use Adjustment of skid pads The snow blower is placed on a level surface and the skid pads are adjusted so that the wear steels on both sides + the infeed steel in front of the fan housing have clearance above ground level.
Connection Make sure no one is standing between the tractor and the machine during connection. Back the tractor up to the snow blower and stop the engine before the lifting arms are mounted in the three- point linkage. Stabilization struts/support struts on tractors must be used. This is to ensure that the snow blower does not get uncontrolled lateral movements while driving –...
Page 14
Lubrication and maintenance Before cleaning, lubricating, repairing or adjusting the machine, stop the engine and activate the handbrake, and remove the key during work. Pay special attention to safety during maintenance work, park the machine in according with specified safety rules. Inspection after screw connections Screws - nuts - fittings and bolts on the machine should be re-tensioned after two hours of operation.
Gearbox The TF 220 has been delivered with two gearbox versions. The top one (BYPY) has been delivered to serial number 10040. The bottom one (GB) has been delivered from serial number 10041. Recommended oil: Gearbox oil Mereta 150 synthetic oil (Statoil) or Esso Syntetic EP150. Other oil must fit to the standard SAE90EP or Mereta 150 - 2.5 ltr.
Shear - bolt couplings Remember to lower the machine and stop the tractor's engine and disconnect the power PTO before fitting a new cutting bolt. The machine is equipped with a cutting bolt coupling: - Power transmission shaft bolt M10x60 qual. 8.8 item no.2422310 - Joint coupling bolt M 8x50 qual.
Need help?
Do you have a question about the TF220 and is the answer not in the manual?
Questions and answers