JLG X20JP - X600AJ Service Manual - Manual (Page 37)

SECTION 3 - CHASSIS & TURNTABLE
3121623 – JLG Lift – 3-13
TECHNICAL INFORMATIONS
PRODUCT DESCRIPTION
The Bonfiglioli Trasmital gearmotors of the series
decribed in this manual are designed and built for
application as track drive for crawled machines
equipped with open or closed loop hydraulic circuit
depending on the application.
The unit includes:
Planetary gearbox
- 2/3 reduction stages planetary gearbox, with
rotating housing
- Connecting flange to the machine frame
- Connecting flange to the sprocket.
Hydraulic motor
Orbit fixed displacement motor including:
- Brake valve, this valve is installed for drive applications
on tracked vehicles such as mini excavators and similar
with open loop circuits; -Internal brake port directly con-
trolled by the motor supply ports.
Figure 3-22. Hydraulic scheme X17JP - X500AJ