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4 MACHINE DESCRIPTION / CONTROLS
4.4 Auxiliary Hydraulics
The PT 30 models come equipped with an
auxiliary hydraulic system designed to power
approved hydraulic attachments.
To operate, connect the attachment to the
quick couplers (fig. 4.4-1).
To connect couplers:
1. Clean couplers thoroughly (both ends).
2. Release residual pressure in the system
by pressing item 1 (fig. 4.4-1).
3. Push the male and female coupler ends together, then turn coupler collar 1/4
turn to lock.
The auxiliary hydraulics can be engaged intermittently or continuously depending
on the requirements of the attachment being utilized.
To engage the hydraulic flow intermittently, activate the toggle-type switch on the
top of the right joystick (fig. 4.4-2).
To engage the hydraulic flow continuously, activate the 3-position switch on the
dash panel, labeled 2 in figure 4.4-3.
Note: Moving either switch from one position to the other has the effect of
reversing flow through the auxiliary hydraulic circuit.
Note: The continuous flow switch must be in its neutral position in order to start
the engine.
Note: The continuous flow auxiliary switch has a small orange locking device that
must be disengaged before the switch will activate.
1
2
4.4-1
4.4-2
4.4-3
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