40
3.12 Hoist Upper and Lower Limit Switch (ULLS) Setup
The Upper/Lower Limit Switch (ULLS) can automatically stop the Hook Block at preset locations (at two (2)
upper-limit and lower-limit points) without requiring a positioning operation (such as “inching”) by the pendant.
3.12.1 Factory Settings
1)
The factory set positions of the Upper/Lower Limit Switch are as shown
Table 3-17
.
2)
After installing the trolley hoist, set and adjust the positions in accordance with the user’s conditions
i. of use as required.
3) THE LOWER LIMIT SWITCH MUST BE SET BEFORE TROLLEY HOIST OPERATION.
Table 3-17 Upper/Lower Limit Switch (ULLS) Factory Settings
Initial Setting Value
Upper Limit
Stop Position
Approx. 0.79
in. (20mm)
below lever of
BLS.
Lower Limit
Stop Position
Below Upper
Limit Switch
Position by
lifting range.
Summary of Contents for Harrington RY Series
Page 15: ...15 2 3 Part Names Figure 2 1 RY Part Names...
Page 42: ...42 Figure 3 20 Hoist Upper and Lower Limit Switch ULLS...
Page 57: ...57 Table 5 8 Various shapes that require the wire rope to be replaced...
Page 67: ...67 Table 6 9 Motor Brake Gap Capacity Code Brake Gap G inch mm RY030 RY050 0 032 0 8...
Page 104: ...104 9 3 Trolley Frame Parts Figure 9 3 Trolley Frame Parts...
Page 112: ...112 9 10 Hoist Motor Parts Figure 9 10 Hoist Motor Parts...
Page 114: ...114 9 11 Trolley Motor Parts Figure 9 11 Trolley Motor Parts...
Page 116: ...116 9 12 Control Panel Box Parts Figure 9 12 Control Panel Box Parts...
