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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

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Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Daikin 4-Zone Cooling-Only Outdoor Unit 4MXS68F2V1B

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Maintenance Plans for Daikin 4-Zone Cooling-Only Outdoor Unit Model 4MXS68F2V1B

Integrate maintenance plans directly into your work orders in MaintainX.

Outer Panel Removal

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Appearance features: Take care not to cut your finger by the fins of the heat exchanger.

Removed the 4 screws (2 on both sides) of the top panel.

Removed the 6 screws of the front panel.

Removed the screw of the shield plate.

Slid the shield plate to the left to unfasten the hooks and removed the shield plate.

Unfastened the upper 2 hooks. Aligned the position of hole of the upper hook to pull the front panel out.

Lifted the front panel up to unfasten the left side hooks. The front panel has 3 hooks on the left.

Unfastened the right side hook and removed the front panel.

Run this procedure

Compressor Removal

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Remove the terminal cover.

Disconnect the compressor lead wires.

Detach the overload protector.

Remove the putty.

Remove the 2 nuts.

Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

Heat up the brazed part of the discharge side and disconnect the part (a).

Run this procedure

Sound Blanket Removal

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Remove the right side panel.

Preparation

Remove the outer panels and plates.

Remove the electrical box.

1 Remove the 3 screws of the right side panel.

2 Remove the 2 screws on the back.

3 Remove the protection rubber. There is a hook on the back.

4 Lift up and remove the right side panel.

Run this procedure

Four Way Valve Removal

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

The cooling only models have no four way valve coil.

Warning: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.

Warning: If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is exposed to flames, toxic gas may be generated.)

Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.

Cautions for restoration

1. Restore the piping by nonoxidation brazing.

Run this procedure

PCB Removal

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Remove the service monitor PCB.

1 External appearance

2 Remove the screw of the terminal board and open it.

3 Disconnect the connectors [S52] [S102] from the service monitor PCB.

4 Unfasten the upper hook and pull the service monitor PCB upward to remove.

2. Remove the main PCB.

[AC1] [AC2] : for power supply [S10] : for transmission