Operating manual
Rear disc mower with central suspension
- hydro-pneumatic or spring suspension
- 1 -
Table of contents page
1. IDENTIFYING THE MACHINE ........................................................................................................................... 2
2. INTRODUCTION .................................................................................................................................................... 2
3. PROPER AND INTENDED USE ........................................................................................................................... 3
3.1. Technical data ....................................................................................................................................................... 4
3.2. Design and working principle ............................................................................................................................... 8
3.3. Standard equipment and spare parts .................................................................................................................... 11
4. SAFETY PRECAUTIONS .................................................................................................................................... 13
4.1. General safety rules and regulations ................................................................................................................... 13
4.2. Conditions of mounting mower on tractor .......................................................................................................... 15
4.3. Transport ............................................................................................................................................................. 15
4.3.1. Placing the mower onto a transport vehicle ................................................................................................ 15
4.4. Working parts...................................................................................................................................................... 17
4.5. PTO shaft ............................................................................................................................................................ 17
4.6. Safety curtains ..................................................................................................................................................... 17
4.7. Residual risk........................................................................................................................................................ 18
4.7.1. Danger of machine entanglement ............................................................................................................... 18
4.7.2. Danger of cutting injury ............................................................................................................................. 18
4.7.3. Danger of injury from liquid ejection out of hydraulic system ................................................................... 18
4.7.4. Forbidden actions ....................................................................................................................................... 18
4.7.5. Residual risk assessment ............................................................................................................................ 19
4.8. Safety labels and their meaning .......................................................................................................................... 19
4.9. Design and operation of hydraulic safety breakaway device .............................................................................. 23
5. OPERATION .......................................................................................................................................................... 24
5.1. Attaching the mower to the tractor...................................................................................................................... 24
5.1.1. Mounting PTO shaft ................................................................................................................................... 25
5.2. Preparing mower for operation – mower with hydro-pneumatic suspension ...................................................... 26
5.2.1. Gas pressure in the accumulator and in the entire system for each mower model ..................................... 28
5.3. Preparing mower for operation – mower with spring suspension ....................................................................... 28
5.4. Operating the mower ........................................................................................................................................... 29
5.4.1. Essential information concerning mowing ................................................................................................. 29
5.4.2. Mower clogging .......................................................................................................................................... 30
5.5. Preparing the mower for transport ...................................................................................................................... 30
5.6. Preparing the mower for transport on public roads ............................................................................................. 32
5.7. Moving from transport to working position ........................................................................................................ 33
5.8. Disconnecting mower from tractor ..................................................................................................................... 34
6. MOUNTING AND ADJUSTMENTS ................................................................................................................... 35
6.1. Mounting and timing of cutting blades ............................................................................................................... 35
6.2. Blade replacement ............................................................................................................................................... 35
6.3. Adjusting the cutterbar ........................................................................................................................................ 36
6.4. Setting mowing height ........................................................................................................................................ 39
6.5. Use and adjustment of load reducing chain ........................................................................................................ 39
6.6. Adjusting cutterbar’s pressure on the ground by means of support springs ........................................................ 40
6.7. Adjustment of the clearance between the cover and the roller of the conditioner .............................................. 40
6.8. Replacing conditioner tines ................................................................................................................................. 41
6.9. Adjusting force of the pressure of roller conditioner .......................................................................................... 42
6.10. Maintenance and service ..................................................................................................................................... 43
6.10.1. Checking the blades and blade holders ....................................................................................................... 43
6.10.2. Checking the tension of tine and roller conditioners’ driving chain ........................................................... 43
6.10.3. Daily maintenance ...................................................................................................................................... 44
6.10.4. After-season maintenance and storing of machine ..................................................................................... 44
7. LUBRICATION ..................................................................................................................................................... 45
7.1. Cutterbar ............................................................................................................................................................. 45
7.2. Intersecting axis gears ......................................................................................................................................... 46
7.3. Roller conditioner’s gearbox ............................................................................................................................... 46
7.4. Bearings .............................................................................................................................................................. 47
7.5. Risks present when lubricating ........................................................................................................................... 48
8. MALFUNCTIONS AND THEIR REPAIRS ....................................................................................................... 49
9. DISASSEMBLY AND WITHDRAWAL FROM USE ........................................................................................ 50
9.1. Scrapping ............................................................................................................................................................ 50
10. WARRANTY CARD .............................................................................................................................................. 50
11. WARRANTY TERMS ........................................................................................................................................... 50
11.1. Warranty claims procedures ................................................................................................................................ 50
11.2. Warranty repairs record ...................................................................................................................................... 52
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