freightliner CL112 2015, Maintenance Manual

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sured resistance should be infinite ohms. If the
heater/thermostat does not operate as outlined,
replace it. If it does operate as outlined, install it,
then remove the chocks from the tires.
42–04 Alcohol Evaporator
Cleaning and Inspection
Midland
Maintenance is required during both the freeze sea-
son and the off season to keep the alcohol evapora-
tor in good working order.
Off Season
During the off season, drain the unit of alcohol. At
regular engine service intervals, open the drain cock
to remove moisture from the alcohol evaporator. Be-
fore reactivating the evaporator for the next freeze
season, drain, disassemble, inspect, and steam-
clean the unit of any sludge that may have accumu-
lated. It is advisable to replace any rubber parts
when assembling the alcohol evaporator. Perform
this service just before the freeze season.
Freeze Season Reactivation
1. Park the vehicle on a level surface and apply the
parking brakes. Shut down the engine. Chock
the tires.
2. Remove the filler cap, and check the cap tet-
raseal.
3. Remove the capscrews and reservoir from the
cover.
4. Remove the cover tetraseal.
5. Drain the air tank, and disconnect the line from
the evaporator outlet. Remove the check-valve
retainer, spring, and disc.
6. Install the disc, spring, and check-valve retainer,
and connect the line to the evaporator outlet.
7. Install the cover tetraseal.
8. Install the reservoir on the cover and tighten the
capscrews.
9. Fill the reservoir with 40 ounces (1183 mL) of
methyl alcohol, then install the filler cap.
10. Remove the chocks from the tires.
42–05 Dana Spicer Camshaft
Bracket Lubrication
IMPORTANT: Perform MOP 42–10 before lubri-
cating the camshaft bracket.
Pump grease into the camshaft bracket until it ap-
pears at the slack adjuster end of the bracket. See
Fig. 6 .
Use an NLGI Grade 1 or Grade 2 multipurpose chas-
sis grease. If grease leaks out under the camhead,
the camshaft bracket grease seal is worn or dam-
aged; replace it. See
Group 42 of the Columbia®
Workshop Manual for grease seal replacement
instructions.
42–06 Dana Spicer, Haldex,
and Gunite Slack
Adjuster Lubrication
IMPORTANT: Perform MOP 42–10 before lubri-
cating the slack adjusters.
f421384 10/07/2016
1
2
1. End Cover Assembly
2. Heater/Thermostat Terminals
Fig. 5, End Cover Terminals Location
Brakes
42
Columbia Maintenance Manual, September 2015
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