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A/c compressor coolant cycling, 4daily check, Daily check – MacDon M155 Operators Manual User Manual

Page 121: 4 daily check

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OPERATION

f.

Check the entire air conditioning system for leakage at the beginning of each season.

2. Perform annual maintenance. Refer to

5.7.11 Maintenance Schedule, page 382

.

A/C Compressor Coolant Cycling

Cycle A/C switch to distribute A/C refrigerant oil as follows:

IMPORTANT:

Perform the following steps whenever the machine is first started after storage for more than one
week:

1. Turn blower switch (A) to the first position, turn

temperature control switch (D) to maximum heating,
and A/C control switch (B) 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 - Blower Switch

B - Air Conditioning Switch

C - Outside Air Switch

D - Temperature Control

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 fluid leaks. Refer to

Hoses and Lines, page

369

.

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 reflective surfaces to maintain visibility to others.

4. Perform daily maintenance. Refer to

5.7.11 Maintenance Schedule, page 382

.

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