MacDon M105, Operator'S Manual

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OPERATION
d. Adjust tension on air conditioning (A/C) compressor belt. Refer to
Tensioning Air Conditioner (A/C)
Compressor Belt, page 257
.
e. Distribute A/C refrigerant by cycling A/C switch. Refer to
Air Conditioning Compressor Coolant Cycling,
page 87
.
f. Check the entire A/C system for leakage at the beginning of each season.
2. Perform annual maintenance. Refer to
5.7.11 Maintenance Schedule, page 313
.
Air Conditioning Compressor Coolant Cycling
Cycle A/C switch to distribute the air conditioning (A/C) refrigerant oil as follows:
IMPORTANT:
Perform the following steps whenever the machine is fi rst started after storage for more than one week:
1. Turn blower switch (B) to fi rst position, turn
temperature control switch (A) to MAXIMUM heating,
and A/C control (C) to OFF.
2. Start engine, 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 times.
Figure 4.6: Climate Control
A - Temperature Control B - Blower Switch
C - Air Conditioning Switch
4.3.4 Daily Check
1. Check the machine for leaks or any parts that are missing, broken, or not working correctly.
NOTE:
Use proper procedure when searching for pressurized fl uid leaks. Refer to
Hoses and Lines, page 298
.
2. Clean the windows and mirrors to be sure of 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.
3. Clean all lights and re fl ective surfaces to maintain visibility to others.
4. Perform daily maintenance. Refer to
5.7.11 Maintenance Schedule, page 313
.
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Revision A