Manitowoc National Crane 800D, Operator'S And Service Manual

Page: 77 / 256

National Crane
Published 5-27-2018 Control # 039-06 2-21
800D OPERATION
Remove
1. Fully retract the outriggers.
2. Disconnect the proximity switch (1, Figure 2-7) and
sensor plug (3).
3. Remove capscrews (1, Figure 2-8), lockwashers (2),
and nuts (3) to remove plate (4) and proximity switch (5)
from chassis.
4. Loosen jam nuts (6) and remove proximity switch (5)
from plate (4).
Install
1. Fully retract the outriggers.
2. Install proximity switch (5) on plate (4) using two jam
nuts (6).
3. Install switch (5) and plate (4) on chassis using
capscrews (1), lockwashers (2), and nuts (3).
4. Connect proximity switch (Figure 2-7) to sensor plug.
NOTE: The proximity switch should be a maximum of 6.4
mm (0.25 in.) from the outrigger tab.
5. With power on, fully extend the outriggers. When active,
the LED light (7) on the proximity switch illuminates
constant yellow. Depending on how the vehicle is
equipped, verify that the proximity switch output is
working as follows:
- If equipped with Outrigger Monitoring (OMS) and
HCA systems, make sure the outrigger status
indicator on the operator’s console (1, Figure 2-5)
turns from 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)
The following procedures describe maintenance of the
proximity switches on the stabilizers located in the rear of the
vehicle.
Remove
1. Disconnect electrical connector (1, Figure 2-9) at switch.
2. Remove the two screws (2, Figure 2-9) securing the
mounting bracket/switch assembly to the stabilizer box.
3. Loosen jam nut (3, Figure 2-9) securing switch (4) to
mounting bracket; remove switch.
Install
1. Fully extend stabilizer beam (horizontally).
2. Thread switch (4, Figure 2-9) into mounting bracket (5)
so that face of switch protrudes 10 mm through bracket.
3. Using two screws (2, Figure 2-9), secure mounting
bracket/switch assembly to stabilizer box.
4. Screw switch into stabilizer box until it contacts the
stabilizer wear pad, then un-screw switch three full turns.
5. Tighten jam nut (3, Figure 2-9) on switch.
6. Connect electrical connector (1, Figure 2-9) to switch.
FIGURE 2-8
3
2
1
6
5
4
9366
7
FIGURE 2-9
2
3
4
5
7939-4
1
6
Fo
r
Reference
Only