SECTION 3 - CHASSIS & TURNTABLE
3-22
3121171
After running-in the gearbox, follow steps below.
6.
Check there are no oil leaks. If leaks are present, fix
them before proceeding.
7.
Check gearmotor oil level.
8.
It possible the presence of air in the system during
the first start up could cause application of the brake
to be slowed down. It is advised to repeat the
application and release functions of the brake to
purge air from the brake.
9.
Check there are no other problems in general.
General Information
The gearbox is designed and built for wheel drive.
The unit includes planetary gearbox, 3 stages, rotating hous-
ing type.
The illustrations show the parts and the main functions of the
gearbox.
A strict and consistent compliance with the specifications of
this technical manual ensure the minimum operating costs
and a longer unit life.
Photographic documentation and drawings are supplied for
educational purposes, so as to safely and properly carry out
maintenance operations.
Minor deviations from pictures of this manual may appear on
the actual gearbox. However, these discrepancies are not rele-
vant to the main parameters, or maintenance functions.
CONNECTING THE BRAKE
The gearbox is fitted with a negative multi disk safety brake
with hydraulic control release (parking brake). For information
regarding the characteristics of the brake refer to the installa-
tion drawing.
FILLING GEARBOX WITH LUBRICATING OIL
The motor and the gearbox have separate lubrication. The
gearbox is lubricated by oil splashing. The recommended type
of oil is SAE 80W/90 or SAE 85W/140 with EP features comply-
ing with MIL-L-2105 C & API GL5. Refer to Table 3-3, Suggested
Lubricants According SAE 80W/90 and SAE 85W/140 API GL5
Grade.
NOTE:
Oil temperature must not exceed 85-90° C intermittently
during operation.
Table 3-2. Brake Technical Data
Brake Release Pressure
(16 bar)
Maximum Operating Pressure Brake
(50 bar)
Braking Torque
(265
±
10% Nm)
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