Boom Limit Switch Adjustments - JLG 600A Service And Maintenance Manual

SECTION 4 - BOOM & PLATFORM
DUAL CAPACITY SWITCH TO ACTIVATE WHEN BOOM IS LOWERED TO 50°,
+5° -0°. SWITCH TO RESET WHEN BOOM IS RAISED TO 60°, +5° -0°.
LOWERED 4°TO 9° BELOW HORIZONTAL.
SWITCH TO ACTIVATE WHEN
UPRIGHT IS RAISED TO 40° - 42°
FROM STOWED POSITION. SWITCH
TO RESET WHEN UPRIGHT IS LOW-
ERED 25° TO 30° FROM ACTIVATED
POSITION.
4-12
SWITCH TO ACTIVATE WHEN BOOM
REACHES 0° TO 5° ABOVE HORIZONTAL.
SWITCH TO RESET WHEN BOOM IS
Figure 4-9. Boom Limit Switch Adjustments
SWITCH TO ACTIVATE WHEN BOOM IS 126 ± 1"
(320 ± 2.5 CM) FROM BEING FULLY EXTENDED
NOTE: ADJUST SCREWS SO THAT PLUNGER ON
VALVES HAS 0.25" (6.35 mm) TRAVEL REMAIN-
ING WHEN LOWER BOOM IS FULLY RAISED AND
RETRACTED
PLUNGER VALVE TO ACTIVATE WHEN BOOM IS
NOTE: ADJUST SCREWS SO THAT PLUNGER ON VALVES HAS
0.25" (6.35 mm) TRAVEL REMAINING WHEN LOWER BOOM IS
FULLY RAISED AND RETRACTED
– JLG Lift –
RAISED BETWEEN 76° - 79°
3121201