JLG 601S Service Manual - Manual (Page 149)

SECTION 4 - BOOM & PLATFORM
3120866 – JLG Lift – 4-19
2. Rotating the adjustment potentiometer clockwise
will increase the ramp time.
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4.8 FOOT SWITCH ADJUSTMENT
Adjust so that functions will operate when pedal is at cen-
ter of travel. If switch operates within last 1/4 in. (6.35 mm)
of travel, top or bottom, it should be adjusted.
Table 4-1. Flow Control Card Settings
Function Minimum Current Maximum Current
Lift Up 450 to 55o mA 1400 to 1500 mA
Lift Down 450 to 550 mA 1400 to 1500 mA
Swing Right 450 to 550 mA 1400 to 1500 mA
Swing Left 450 to 550 mA 1400 to 1500 mA
Flow Control 750 to 850 mA 450 to 550 mA
Drive Forward 40 to 60 mA 150 to 200 mA
Drive Reverse 40 to 60 mA 150 to 200 mA
Figure 4-26. Control Card
Table 4-2. Flow Control Card Ramp Time
Function Ramp Time
Lift Up Ramp Up Time = 4:00 sec.
Ramp Down Time = 3:00 sec.
Lift Down Ramp Up Time = 4:00 sec.
Ramp Down Time = 3:00 sec.
Swing Right Ramp Up Time = 4:00 sec.
Ramp Down Time = 3:00 sec.
Swing Left Ramp Up Time = 4:00 sec.
Ramp Down Time = 3:00 sec.
Drive Forward Ramp Up Time = 4:30 sec.
Ramp Down Time = 2:30 sec.
Drive Reverse Ramp Up Time = 4:30 sec.
Ramp Down Time = 2:30 sec.
Flow Control Ramp Up Time = 3:00 sec.
Ramp Down Time = 0:00 sec.
Table 4-3. Function Speeds
Function
Function Speed
In Seconds
Telescope
Extend 48-61
Retract 24-32
Lift
Up 46-60
Down 33-43
Swing Speed
Full 360 79-101
Platform Rotation
Left 22-30
Right 22-30
Drive Speed
32-36 @ 200ft.