MacDon M155 - Air Conditioning Compressor Coolant Cycling; Daily Checks and Maintenance

OPERATION
d. Adjust tension on air conditioning (A/C) compressor belt. Refer to Tensioning Air Conditioner (A/C)
Compressor Belt, page 367.
e. Distribute A/C refrigerant by cycling A/C switch. Refer to Air Conditioning Compressor Coolant Cycling,
page 159.
f. Check the entire A/C system for leakage at the beginning of each season.
2. Perform annual maintenance. Refer to 5.5.11 Maintenance Schedule, page 425.
Air Conditioning Compressor C oola nt Cycling
IMPORTAN T:
Perform the following steps whenever the machine is first started after storage for more than one week:
1. Turn blowe
r switch (A) to the first position, turn
temper atu
re control switch (D) to maximum heating,
and A/C con
trol switch (B) to O FF.
2. Start engi
ne, and operate at low idle until engine
is warm.
3. Click A/C
switch (B) from OFF to ON for one second,
then back
to OFF for 5 to 10 seconds. Repeat this step
ten t imes
.
Figure 4.6: Climate Control
A - Blower Switch B - Air Conditioning Switch
C - Outside Air Switch D - Temperature Control
4.3.4 Daily Che
cks and Maintenance
Perform the following checks and recommended maintenance before operating the windrower every day:
1. Check the machine for leaks.
NOTE:
Use proper procedure when searching for pressurized fluid leaks. Refer to Hoses and Lines, page 411 .
2. Check for missing or broken parts.
3. Clean the windows and mirrors to e n s u re good visibility in all directions. Stand on the platform to access the
rear window. Hold onto the handholds on the cab front corners and stand on the header anti-slip strips to wash
the front window.
4. Clean all lights and reflective surfaces to maintain visibility to others .
5. Perform daily maintenance. Refer to 5.5.11 Maintenance S chedule, page 425.
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