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Cleaning the
Air-Conditioning Coil
Service Interval: Every 50 hours Clean the
air-conditioning coil more
frequently in extremely dusty
or dirty conditions.
1.
Perform the pre-maintenance procedure; refer
to
Maintenance Safety (page
2.
Lift the 4 tabs on the air-conditioning screen
(Figure
56) and remove the screen from the top
of the cab.
Figure 56
1. Screen
3.
Disconnect the plug and cord for the fans from
the outlet
(Figure
Figure 57
1. Knob (2)
2. Fan (2)
4.
Remove the 2 knobs that secure the fan-panel
assembly and fans to the underside of the cab
top
(Figure
57) and remove the assembly.
5.
Clean the screen, air-conditioning duct, fans,
and fan panel using low-pressure air no greater
than 276 kPa (40 psi).
32).
2. Tab (4)
57).
3. Fan panel
4. Plug and cord (2)
Important:
the condenser because moisture on the
components attracts dirt and dust, which
make the components more difficult to clean.
6.
Install the fan-panel assembly and fans to the
underside of the cab top with the 2 knobs that
you loosened and removed in step 4.
7.
Connect the cord for the fans that you
disconnected in step
8.
Install the air-conditioning screen in the opening
in the top of the cab and secure it by closing the
4 tabs on the screen.
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54
Do not use water to clean
3
into the outlet.
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