
Operator’s manual
Rear disc mowers with central suspension
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Contents page
1.
IDENTIFYING THE MACHINE .............................................................................................3
2.
INTRODUCTION.......................................................................................................................3
3.
PROPER USE..............................................................................................................................4
3.1. Technical data .....................................................................................................................................5
3.2. Design and working principle.............................................................................................................7
3.3. Standard equipment and spare parts....................................................................................................8
4.
SAFETY ADVICE ....................................................................................................................10
4.1. Safety rules and regulations ..............................................................................................................10
4.2. Mounting mower onto tractor ...........................................................................................................11
4.3. Transport...........................................................................................................................................12
4.3.1. Putting the mower onto another vehicle for transport..................................................................12
4.4. Working parts ...................................................................................................................................13
4.5. PTO shaft ..........................................................................................................................................13
4.6. Hydraulic assembly...........................................................................................................................13
4.7. Tarpaulin guards ...............................................................................................................................14
4.8. Residual risk .....................................................................................................................................14
4.8.1. Residual risk..................................................................................................................................15
4.9. Safety decals and their meaning .......................................................................................................16
4.10. Design and operations of hydraulic safety breakaway device ..........................................................19
5.
OPERATION.............................................................................................................................19
5.1. Attaching the mower to the tractor ...................................................................................................19
5.2. Preparing the mower for transport ....................................................................................................20
5.3. Preparing the mower for transport on public roads...........................................................................21
5.4. Mounting PTO shaft .........................................................................................................................21
5.5. Switching from transport to working position ..................................................................................22
5.6. Preparing the mower for work ..........................................................................................................23
5.7. Operation (mowing)..........................................................................................................................23
5.7.1. Essential information concerning mowing ..................................................................................24
5.7.2. Mower clogging and jams............................................................................................................25
5.7.3. Taking turns over swaths .............................................................................................................25
5.7.4. Regulation of cutterbar’s pressure on the ground by means of support springs ...........................25
5.8. Dismounting mower from tractor .....................................................................................................26
6.
MOUNTING AND ADJUSTMENTS .....................................................................................27
6.1. Assembling / disassembling main frames.........................................................................................27
6.2. Mounting and timing of the knives...................................................................................................27
6.3. Replacing the knives and knife mountings .......................................................................................28
6.4. Adjusting the cutterbar......................................................................................................................29
6.5. 3-point linkage support chain............................................................................................................31
6.6. Adjusting conditioner........................................................................................................................31
6.6.1. Adjusting clearance between conditioner screen and roller..........................................................31
6.6.2. Adjusting conditioner's shaft rotary speed ....................................................................................32
6.7. Replacing the conditioner’s tines......................................................................................................33
6.8. Adjusting force of the pressure of roller conditioner........................................................................34
6.9. Maintenance and service...................................................................................................................34
6.9.1. Controlling condition of knives and knife mounting...................................................................34
6.9.2. Inspecting tension of belt on belt gear for rollers ........................................................................35
6.9.3. Daily maintenance .......................................................................................................................35
6.9.4. Off-season maintenance and storing............................................................................................36
7.
LUBRICATION ........................................................................................................................36
7.1. Cutterbar ...........................................................................................................................................36
7.2. Intersecting axis gears.......................................................................................................................37
7.3. Roller conditioner’s gearbox.............................................................................................................38
7.4. Bearings and joint .............................................................................................................................39
8.
DEFECTS AND THEIR REPAIRS ........................................................................................40
9.
DISASSEMBLY AND WITHDRAWAL FROM USE..........................................................41
9.1. Disassembly......................................................................................................................................41