Labrie MINIMAX, Руководство по обслуживанию

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38 General Maintenance
To adjust a proximity switch:
1.
Loosen the proximity switch nuts.
2.
Adjust the proximity switch so that there is a gap of approximetely 3/16 of an inch (4.8 mm)
between the plate (target) and the switch.
3.
Tighten up the nuts.
4.
Test the operation.
The proximity switch light should turn on when the target is detected; if not, repeat the adjustment
procedure.
In the following sections, you will learn how to adjust limit/proximity switches based on the function
for which they are used.
Adjusting Packer Extend Limit/Proximity Switch
Packer limit/proximity switches were adjusted at the factory for optimal packer operation. If the area
behind the packer is not properly cleaned
daily, limit/proximity switches may no longer stop the
packer or may prevent automatic cycles from working properly.
Furthermore, over time, misalignment of the components may occur due to the frequent back and
forth motion of the packer. An adjustment might be necessary to prevent cylinders from completely
extending and retracting to the end of their strokes.
On some units, the packer range of motion is controlled by two limit switches and on other units, it is
controlled by a set of one limit switch and one proximity switch. The limit/proximity switch that
stops the packer during extension (packer extend) is located near the hopper floor, on the curbside,
just under the automated arm housing (see Figure 3-22). The limit switch that stops the packer
during retraction (packer retract) is located on front right-hand side hopper corner, behind the cab
(see Figure 3-23).
Danger!
Always lock out and tag out the vehicle when inspecting it or performing maintenance
on it (see
Locking Out and Tagging Out the Vehicle on page 20) .