Item Description Item Description
CABLE ENDS LS3 Block-Up, Luffing Jib Point
1 Dust Cap LS4 Block-Up, Fixed Jib Point
2 Receptacle LS5 Max Up, Luffing Jib
CABLES LS6 Max Down, Luffing Jib
WBC From Engine Node LOAD PINS
WBR From Boom Butt Cable Reel LP1 Boom Point, Left Side
WBN1 To Boom Top LP2 Boom Point, Right Side
WCJ To Luffing Jib Butt Cable Reel LP3 Luffing Jib Point (sheave)
WJR From Luffing Jib Top Node LP4 Fixed Jib Point (sheave)
WJN1 To Luffing Jib Top PLUGS
WWCB To Wind Speed Node P2 Block-Up Limit Switch, Lower Boom Point OR
Block-Up Limit Switch, Lower Luffing Jib Point
WWN1,
2, 3, or 4
To Wind Speed Indicator P3 Block-Up Limit Switch, Upper Boom Point OR
Block-Up Limit Switch, Fixed Jib Point
CABLE REELS P4 Load Sensing Pin, Boom Left Side OR
Load Sensing Sheave, Luffing Jib Point
CR1 Boom Butt P5 Load Sensing Pin, Boom Right Side OR
Load Sensing Sheave, Fixed Jib Point
CR2 Luffing Jib Butt P6 Max Up Switch, Luffing Jib
NODES P7 Max Down Switch, Luffing Jib
N1 Engine P8 Block-Up Limit Switch, Fixed Jib Point
N2 Boom SP Terminating Plug
N3 Jib WIND SPEED TRANSMITTERS
N4 Wind Speed WS1 Boom Top
LIMIT SWITCHES WS2 Fixed Jib Top
LS1 Block-Up, Lower Boom Point WS3 Luffing Jib Top
LS2 Block-Up, Upper Boom Point WS4 Fixed Jib Top
FIGURE 4-39 continued
WBM
WBN1
WCJ or
SP
N2
1
Boom Node Shown
Luffing Jib Node Similar
Typical Limit Switch Installation
DISCONNECTED
P2
SP
2
1
1
P2455
Typical Limit Switch Installation
CONNECTED
SP
2
1
1
P2
P2456a
P2456