Manitowoc National Crane 500E2 - Page 52

3-8 Published 08/16/19 Control # 112-05
ELECTRIC SYSTEM 500E2 SERVICE MANUAL
constant red to constant green when the outrigger is
fully extended.
or
- If equipped with an RCL and OMS systems,
outrigger status is shown on the QScale monitor.
Make sure all outrigger status symbols turn from red
to green when the outriggers are fully extended.
Stabilizer Proximity Switch (Version 1)
Remove
1. Disconnect electrical connector (1, Figure 3-4) at switch.
2. Remove the two screws (2, Figure 3-4) securing the
mounting bracket/switch assembly to the stabilizer box.
3. Loosen jam nut (3, Figure 3-4) securing switch (4) to
mounting bracket; remove switch.
Install
1. Fully extend stabilizer beam.
2. Thread switch (4, Figure 3-4) into mounting bracket (5)
so that face of switch protrudes 10 mm through bracket.
3. Using two screws (2, Figure 3-4), secure mounting
bracket/switch assembly to stabilizer box.
4. Tighten jam nut (3, Figure 3-4) on switch.
5. Connect electrical connector (1, Figure 3-4) to switch.
6. With power on and stabilizer beam fully extended,
ensure LED (6, Figure 3-4) on proximity switch
illuminates; retract stabilizer beam and ensure LED is
not illuminated.
Stabilizer Proximity Switch (Version 2)
Remove
1. Disconnect electrical connector (1, Figure 3-5) at switch.
2. Remove the two screws (2, Figure 3-5) securing the
switch (4) to the stabilizer box; remove switch.
Install
1. Fully extend stabilizer beam (horizontally).
2. Using two screws (2, Figure 3-5), secure the switch (4)
to stabilizer box.
3. Connect electrical connector (1, Figure 3-5) to switch.
4. With power on and stabilizer beam fully extended,
ensure LED (3, Figure 3-5) on proximity switch
illuminates; retract stabilizer beam and ensure LED is
not illuminated.
FIGURE 3-4
2
3
4
5
7939-4
1
6
FIGURE 3-5
3
2
1
4