Advance acoustic SC3000 26" Disc, Service Manual

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DRIVE SYSTEM
SERVICE MANUAL
ENGLISH
SC3000 26” Disc 9099052000 43
DRIVING WHEEL DISASSEMBLY/ASSEMBLY
WARNING!
This procedure must be performed by qualified personnel only and with the help of an assistant.
Drive the machine on a level floor. 1.
Turn the ignition key to “0” and disconnect the batteries. 2.
Remove the machine foot board (see the procedure in the relevant paragraph). 3.
Apply proper wedges to rear wheels, so that the machine cannot move when the front side is lifted. 4.
Lift the front part of the machine and apply to the frame front sides two proper wooden shims high enough to keep the front 5.
wheel lifted for about 4 in (10 cm) from the floor.
Under the driving wheel assembly, disconnect the drive system motor and electromagnetic brake connections. 6.
Remove the screws (A) and recover the washers. 7.
Carefully lower the driving wheel assembly with steering, paying attention to the wiring harness (B). 8.
Remove the screws (C), then remove the main gear (D) and the wiring harness shield (E). Note the wiring harness routing 9.
under the shield (E), for proper reassembly.
Remove the screws (F) and remove the driving wheel (G). 10.
Remove the screws (H), recover the washers and remove the wheel (H). 11.
Assembly
Assemble the components in the reverse order of disassembly, and note the following: 12.
Tighten the screws (H) at 11,8 ftlbs (16 Nm). •
When installing the driving wheel assembly, the gears must be coupled with the straight wheel and the arrows (J) aligned •
as shown in the figure.
Tighten the screws (F, C and A) at 16,21 ftlbs (22 Nm). •
A2 ENGLISH(2).indd 43 29/07/2011 17.03.02