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1.29
Assembling the Mower
WARNING - PREVENT ACCIDENTS : Take
care to avoid the sharp edges of the cutting cyl-
inder and bottom blade when lifting or working
on the cutterhead.
The cutterhead is heavy - It is recommended
that suitable lifting equipment be used when
removing the cutterhead from the carton and
during installation.
If lifting equipment is not available the cutter-
head should be lifted from each end as indi-
cated, by two people. All items numbers can be
found on the delivery checklist above.
1. To release the cutterhead suspension arms.
Start the tractor engine, hitch up the mower,
connect the PTO shaft, then operate the control
lever to lift the suspension arms to the fully
raised position to reduce pressure on the arms.
Unlock the cutterhead suspension arms by
releasing the red transport latches to their
released position and carefully lower the arms
to the floor. Refer to 'Commissioning
the Mower' and 'Attaching the Mower to the
Tractor'
2. Unpack 7 Cutterheads (item 19).
3. Lay out the cutterheads around the mower in
the correct positions as shown.
4. Sub assemble the wing arm latch plate. Fit the
plain washer, latch, disc spring and M12 nyloc
nut (items 39, 41, 42 and 45) to the shouldered
pin on the latch plate. Tighten the nut such that
the latch is stiff but can move from side to side.
Assemble the hose guide, two M10 plain nuts
and two M10 nyloc nuts (item 5, 40 and 43) to
the latch plate. Prepare a second assembly in
opposite hand configuration.
5. 254mm cutterheads - Fit the bump stop (item
26), 2 roller box plates (item 15) and roller
plate (item 13) to the cutterheads 2 and 6
(hydraulic motor end) using 1 carriage bolt
M10 x 55, 1 bolt hex. head M10 x 90, 2 nyloc
nuts and 2 plain washers (item 4, 5, 6 and 10).
6. Fit each of the wing arm latch plate sub
assemblies to their respective cutterheads using
four M10 x 25 coach bolts, four M10 plain
washers and four M10 nyloc nuts (items 5, 6
and 18).
ASSEMBLING THE MOWER - TM7490
1.29
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