JLG 1250AJP Service Manual - Manual (Page 301)

SECTION 4 - BOOM & PLATFORM
3121171 – JLG Lift – 4-61
Figure 4-44. Main Boom Transport Length Switch Wiring
#1 MAIN BOOM TRANSPORT LIMIT SWITCH, MOUNTED ON THE RIGHT
SIDE OF THE MAIN BOOM (TOP SWITCH). THIS SWITCH IS IN THE N.C.
POSITION WHEN THE MAIN BOOM IS FULLY RETRACTED.
IN TRANSPORT:
When Switch #1 (top switch) is off cam:
12 volts on white
12 volts on black
When Switch #2 (bottom switch) is on cam:
9 volts on white
12 volts on black
OUT OF TRANSPORT:
When Switch #1 (top switch) is on cam:
12 volts on white
9 volts on black
When Switch #2 (bottom switch) is off cam:
12 volts on white
12 volts on black
#2 MAIN BOOM TRANSPORT LIMIT SWITCH, MOUNTED ON THE RIGHT
SIDE OF MAIN BOOM (BOTTOM SWITCH). THIS SWITCH IS OPEN
WHEN THE MAIN BOOM IS FULLY RETRACTED.
Figure 4-45. Dual Capacity Switch Wiring
#1 DUAL CAPACITY LIMIT SWITCH, MOUNTED ON LEFT SIDE OF
BOOM (TOP SWITCH). THIS SWITCH IS IN THE N.C. POSITION
WHEN THE MAIN BOOM IS FULLY RETRACTED.
When Switch #1 (top switch) is off cam:
12 volts on white
12 volts on black
When Switch #2 (bottom switch) is on cam:
9 volts on white
12 volts on black
When Switch #1 (top switch) is on cam:
12 volts on white
9 volts on black
When Switch #2 (bottom switch) is off cam:
12 volts on white
12 volts on black
#2 DUAL CAPACITY LIMIT SWITCH, MOUNTED ON LEFT SIDE OF
BOOM (BOTTOM SWITCH). THIS SWITCH IS OPEN
WHEN THE MAIN BOOM IS FULLY RETRACTED.