Installation; Adjustments; Fig. 10-9: Boom Extension Proximity Switch Adjustment - JLG Lull 1044C-54 II Series Service Manual

Outriggers

Installation

Boom Extension
Proximity Switch

Adjustments

Boom Extension
Proximity Switch
10-12
(Ref. Fig. 10-8) The following procedure describes removal of the boom
extension proximity switch.
1. Disconnect the wire harness (Item 4) at the boom extension proximity
switch (Item 2).
2. Place a piece of masking tape around the proximity switch body at the
outer jam nut (Item 3). This will serve as a guide during reinstallation.
3. Remove the inner jam nut (Item 1) and proximity switch. Reinstall the
inner jam nut on the proximity switch for safekeeping.
(Ref. Fig. 10-8) The following procedure describes installation of the boom
extension proximity switch.
1. Position the outer jam nut (Item 3) on the switch body (Item 2) at the
previously marked position.
2. Install the boom extension proximity switch in the outer boom. Install
the inner jam nut (Item 1). Check the gap between the end of the
proximity switch and boom. See Fig. 10-9.
3. Connect the wire harness (Item 4) to the proximity switch.
4. Check operation of the proximity switch by extending the boom. The
boom extension proximity light must come on at specified distance
(approximately 21 feet with a tilting tower or 25 feet with a standard
carriage). If the light does not illuminate, stop and retract the boom.
Proceed to "Adjustments" below.
Outer Boom Section
Proximity Switch
Outer Jam Nut

Fig. 10-9: Boom Extension Proximity Switch Adjustment

(Ref. Fig. 10-9) The following procedure describes adjustments to the
boom extension proximity switch.
0.19" to
0.25" Gap
Inner Jam
Nut
Middle Rear
Boom Section
31200079