Manitowoc 777 Service And Maintenance Manual

Reference Only
Manitowoc Published 10-01-2012, Control # 045-08 5-7
777 SERVICE MANUAL HOISTS
5
Item Description Item Description
Cable Reels Limit Switches
CR1 Cable Reel on Boom Butt LS1 Upper Boom Point Limit Switch
CR2 Cable Reel on Luffing Jib Butt LS2 Lower Boom Point Limit Switch
Electric Cords
LS3 Lower Jib Point Limit Switch
C1 Cord from Main Junction Box Behind Operator’s Cab LS4 Lower Boom Point Left Limit Switch
C2 Cord to Cable Reel on Boom Butt LS5 Lower Boom Point Right Limit Switch
C3 Cord from Cable Reel on Boom Butt LS6 Upper Jib Point Limit Switch
C4 Cord to Boom Top Junction Box (JB3)
Shorting Plugs
C5 Cord to Upper Boom Point Limit Switch SP1 Block-Up Limit System
C6 Cord to Lower (or Lower Right) Boom Point Limit Switch SP2 Upper Boom Point Shorting Plug
C7 Cord from Boom Top Adapter Junction Box SP3 Lower (or Lower Right) Boom Point Shorting Plug
C8 Cord to Luffing Jib Cable Reel or Fixed Jib Cable SP4 Lower Jib Point Shorting Plug
C9 Cord from Luffing Jib Cable Reel or Fixed Jib Cable SP5 Upper Jib Point Shorting Plug
C10 Cord to Lower Jib Point Limit Switch SP6 Lower Left Boom Point Shorting Plug
C11 Cord to Upper Jib Point Limit Switch
Miscellaneous
C12 Cord to Boom Top Junction Box (JB5) M1 Luffing Jib Angle Sensor Shorting Plug
C13 Cord to Lower Left Boom Point Limit Switch M2 Luffing Jib Minimum Angle Shorting Plug
Junction Boxes
M3 Luffing Jib Maximum Angle Shorting Plug
JB1 Boom Junction Box (on Rotating Bed) M4 Cord from Luffing Jib Maximum Angle Limit
JB2 Boom Top Adaptor Junction Box M5 Cord from Luffing Jib Minimum Angle Limit
JB3 Boom Top Junction Box (Heavy Lift Top) M6 Cord to Luffing Jib Angle Sensor
JB4 Jib Top Junction Box M7 Cord to Jib or Luffing Jib Load Indicator Sheave
JB5 Boom Top Junction Box (Heavy Lift Top) M8 Cord from Lower Boom Point Load Indicator Sheave
JB6 Boom Top Junction Box (Long Reach Top) M9 Cord from Upper Boom Point Load Indicator Sheave
C13
SP2
C5
JB5
SP6
M7
C9
C10
SP4
SP5
C11
JB4
C4
SP3
M2
M5C6
M1
SP2
M3
M4
M6
M9
C3
C4
C8
C7
JB2
M8
JB3
C5, C7, C12
C12
Not
Used
A1107
FIGURE 5-6

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English