5 - REPAIR PROCEDURES
CAUTION: All repair procedures must be done by authorised dealerships. It is not
recommended that untrained individuals perform any repair work.
The following
operations are detailed for qualified personnel only.
5.01 - Gearbox
To remove the gearbox from the frame do the following:
1. Never rely on the tractor lift system. Install blocks or stands under the cutter deck to
prevent it from falling.
2. Remove the castle nut safety pin
(see #7, fig. 8)
.
3. Remove the castle nut
(see #6, fig. 8)
securing the blade carrier rotor to the pinion
shaft. Remove the rotor.
4. Remove the bolts holding the gearbox to the frame and remove the gearbox.
If it is necessary to open the gearbox and replace internal parts, be sure to replace any
oil seals or gaskets to ensure a tight fit when reassembling.
To replace the gearbox, reverse the above operations, making sure the castle nut
(see
#6, fig. 8)
securing the blade carrier rotor is torqued to
475 N.m (350 lb.ft.)
and that the
safety pin
(see #7, fig. 8)
is installed properly.
5.02 - Suggested Spare Parts
It is suggested that the following spare parts be kept on hand for the rotary cutter at all
times to prevent a minor problem from delaying work.
2
Blade bolts
2
Blades
Quantity
Description
5.03 - Storage
After seasonal use it is important to perform the following for prolonged storage:
1. Wash the rotary cutter carefully.
2. Inspect the rotary cutter and replace worn or damaged parts.
3. Tighten all hardware.
4. Grease all areas indicated under Maintenance
14
.
R
EPAIR
P
ROCEDURES
31
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T
ORNADO
RRB
O
PERATOR
’
S
M
ANUAL
14
See Chapter 4 - Maintenance.