Mitsubishi
Central Air Conditioner

Model # PAC-AK31BC Official Mitsubishi air conditioner

Here are the diagrams and repair parts for Official Mitsubishi PAC-AK31BC air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 26 parts  |

Side Panel R01E36661
#4

Heat pump diagram

Side panel

Part #R01E36661

The manufacturer no longer makes this part, and there's no substitute part

Cover-u R01E15689
#18

Heat pump diagram

Cover-u

Part #R01E15689

The manufacturer no longer makes this part, and there's no substitute part

Drain Hose R01E07527
#10

Heat pump diagram

Drain hose

Part #R01E07527

The manufacturer no longer makes this part, and there's no substitute part

Controller T7WE11689
#9

Heat pump diagram

Controller

Part #T7WE11689

The manufacturer no longer makes this part, and there's no substitute part

Thermistor R01H21202
#13

Heat pump diagram

Thermistor

Part #R01H21202

The manufacturer no longer makes this part, and there's no substitute part

Under Pane T7WE02669
#8

Heat pump diagram

Under pane

Part #T7WE02669

The manufacturer no longer makes this part, and there's no substitute part

Header-g A R01E10419
#16

Heat pump diagram

Header-g a

Part #R01E10419

The manufacturer no longer makes this part, and there's no substitute part

Controller T7WE93310
#11

Heat pump diagram

Controller

Part #T7WE93310

The manufacturer no longer makes this part, and there's no substitute part

Top Panel R01E22641
#1

Heat pump diagram

Top panel

Part #R01E22641

The manufacturer no longer makes this part, and there's no substitute part

Thermistor R01H20202
#12

Heat pump diagram

Thermistor

Part #R01H20202

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…