FIGURE 4-10
Mast Faults
Icons for faults listed below appear in information screen of
main display when corresponding limit is reached. See
Section 3 for instructions.
66-MAST TOO FAR FORWARD — Live
mast is below 172°. Raise live mast. Further
lowering is not intended. Mast will fall.
72-GANTRY DOWN — Limit switch stops
boom. Boom is inoperable at all mast angles.
Raise gantry.
41-TRANSDUCER VOLTAGE — Boom/
mast hoist inoperable in both directions.
Check that accessory system, Drum 1, and
Drum 4 transducers are within allowable
range.
Item Description
1Mast
2 Mast Arm (with Hydraulic Cylinder) (2)
3 Gantry
4 Backhitch (2)
5 Backhitch Pin (2)
6 Gantry Cylinder (2)
7 Pin with Cotter Pins (2)
8 Handling Strap (8)
9 Pin with Cotter Pin (2)
10 Storage Link (2)
11 Stud with Cotter Pin (2)
Numbers in parentheses equal quantity
View A
2
6
3
4
3
View B
1
14COM4107b
1
Transport
Position
14COM4106e
Circled Numbers Correspond to
RAISE MAST TO OPERATING POSITION
Procedure
6
View D
3
Working
Position