John Deere GM2109 Lawn Mower User Manual


 
5 - REPAIR PROCEDURES
CAUTION: All repair procedures must be done by authorized 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 do the following:
1. Remove the belt guards.
2. Loosen the nuts holding the gearbox support plate (see fig. 12).
3. Loosen the nut and turn the bolt in order to push the gearbox forward and release
tension on the belts (see fig. 12).
4. Remove the belts
13
.
5. Remove the nuts holding the central plate to the frame.
6. Remove the nut holding the pulley to the gearbox pinion shaft. Remove the pulley.
7. Unbolt the nuts holding the gearbox support plate to the central plate (see fig. 12).
Remove gearbox and gearbox support plate.
8. Unbolt the nuts holding the gearbox to the gearbox support plate. Remove the
gearbox.
If it is necessary to replace any part on the inside of the gearbox, it is important to
replace oil seals or gaskets to ensure a tight fit when reassembling.
To replace the gearbox, follow the above instructions in reverse order.
5.02 - Blade Spindle
To remove a blade spindle do the following:
1. Remove the belts
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.
2. Remove the safety nut holding the pulley to the spindle shaft. Remove the pulley.
3. Remove the bolts holding the spindle assembly to the deck and remove the
assembly.
4. Press out the spindle shaft.
5. If necessary remove and replace the bearings from the rotor using presses or
extractors. Take care not to damage the oil seals. Replace them if necessary.
REPAIR PROCEDURES 31 FRONTIER
G
ROOMING MOWERS OPERATORS MANUAL
14
See Section 4.05 - Belt Replacement.
13
See Section 4.05 - Belt Replacement.