SJ85AJ 208932AEA
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Features and Devices Section 3 – Familiarization
3.4-9 Drive Bypass Valve
This valve is located on the inboard side of the drive
pump and can be identied with a yellow paint mark
on it.
Figure 15 Drive Bypass Valve
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Drive Bypass Valve with Override Stems - This
valve, when loosened 90 degrees clockwise,
is used to override drive relief valves so that
the MEWP can be loaded or unloaded from a
trailer using a winch line. Refer to Section 6.1 for
winching and towing procedure.
3.4-10 Differential Lock Switch
This switch is located on the platform control console.
The differential locking system provides more traction
by providing equal drive to each wheel regardless of
terrain. Differential locks are used to prevent MEWP
from getting stuck when driving on loose, muddy, or
rocky terrain. Refer to Section 4.3-24 for instructions
regarding testing differential lock switch.
3.4-11 Turret Transportation Lock
This locking device is located in the turret.
Figure 16 Turret Transportation Lock
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Turret Transportation Lock - This locking device
is used to lock turret in place during shipping
only. Refer to Section 6.3-2 for procedure on how
to lock the turret.
3.4-12 All Motion Alarm
This alarm produces an audible sound when any
boom or drive function is activated. On MEWPs with
certain options, a ashing amber light will accompany
this alarm.
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FAMILIARIZATION
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