MacDon M100 SP Operators Manual - Manual (Page 118)

MAINTENANCE/SERVICE
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116
Rev. C
57.5.5.2 Return Air Cleaner
The return air filter is located behind the
operator’s seat on the cab wall and should be
serviced every 100 hours as follows:
DANGER
Stop engine and remove key from ignition
before leaving operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Unscrew the two knobs (A) attaching cover and
filter to cab wall, and pull off the cover and filter
assembly.
b. Separate the filter (B) from the cover (C).
c. Clean the filter as follows:
1. Mix a solution of warm water and detergent
in a suitable container so that the filter can
soak for a few minutes.
2. Agitate to flush out the dirt.
3. Rinse with clean water and dry with
compressed air.
4. Inspect filter for damage, separation, and
holes. Replace if damaged.
d. Assemble the filter (B) and cover (C) and
position on cab wall over opening.
e. Secure to cab wall with knobs (A).
57.5.5.3 A/C Condenser
The air conditioning condenser should be
cleaned daily with compressed air and more
frequent cleaning may be necessary in severe
conditions. Cleaning the condenser can be
done at the same time as the radiator, oil cooler,
and charge air cooler. Refer to Section 7.9.2
Cooling Box Maintenance.
57.5.5.4 A/C Evaporator
The air conditioning evaporator should be
checked annually for cleanliness. If the air
conditioning system produces insufficient
cooling, a possible cause is clogged evaporator
fins. Fins will clog up from the side opposite the
blowers.
The evaporator is located inside the heating air
conditioning unit under the cab. To clean the
evaporator, proceed as follows:
DANGER
Stop engine and remove key from ignition
before leaving operator's seat for any
reason. A child or even a pet could engage
an idling machine
a. Loosen the clamps (D) on the two drain hoses
and pull the hoses off the air conditioning drain
tubes.
(continued next page)
D
C
B
A