24Service Manual – SC900 20 - Wheel System, Traction
Transaxle
WARNING: To avoid unexpected movement, disconnect the battery connector before servicing the
machine.
− Never work under the machine without safety stands or blocking to support the
machine.
− To avoid instability of the lifted machine, block the rear (caster) wheels so that the
weight of the machine is not on the caster wheels, which can pivot unexpectedly.
1. Drain both the recovery and solution tanks
to reduce the weight of the machine.
2. Turn off the key and disconnect the
batteries.
3. Slightly raise the rear of the machine, and
place rigid blocking below the rear lifting
points so the caster wheels are slightly off
the ground. Make sure these blocks are
stable and cannot tip over.
4. Remove the Scrub Skirt described on page
55.
5. Remove the brush skirt or hopper,
depending on whether it is a disk or
cylindrical deck.
6. Insert a small oor jack between the scrub deck and
the drive wheel on the right-hand side of the machine,
and carefully jack the front of the machine about 1 to 2
inches (25-50mm).
7. Place rigid blocks under the frame.
Lift Points
Lift Points
Lift
Block
Block
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