Welbilt Delfield 4000P Series, Installation, Operation And Maintenance Manual

Part Number: 9294045C  03/22 15

Section 4

Maintenance

 DANGER

It is the responsibility of the equipment owner to 

perform a Personal Protective Equipment Hazard 

Assessment to ensure adequate protection during 

maintenance procedures.

 DANGER

Failure to disconnect the power at the main power 

supply disconnect could result in serious injury or death. 

The power switch DOES NOT disconnect all incoming 

power. 

 DANGER

Disconnect electric power at the main power disconnect 

for all equipment being serviced. Observe correct 

polarity of incoming line voltage. Incorrect polarity can 

lead to erratic operation. 

n

Warning

Never use sharp objects or tools to remove ice or frost. 

Do not use mechanical devices or other means to 

accelerate the defrosting process.

n

Warning

When using cleaning fluids or chemicals, rubber gloves 

and eye protection (and/or face shield) must be worn.

n

Warning

When cleaning interior and exterior of unit, care should 

be taken to avoid the front power switch and the rear 

power cord. Keep water and/or cleaning solutions away 

from these parts.

n

Warning

Never use a high-pressure water jet for cleaning or hose 

down or flood interior or exterior of units with water. Do 

not use power cleaning equipment, steel wool, scrapers 

or wire brushes on stainless steel or painted surfaces.

,

Caution

Maintenance and servicing work other than cleaning as 

described in this manual must be done by an authorized 

service personnel.

,

Caution

Over shelves and other items mounted to the top of the 

counters should never be installed in the field due to 

the potential damage to the refrigeration system.

Responsibility

You are responsible for maintaining the equipment 

in accordance with the instructions in this manual. 

Maintenance procedures are not covered by the warranty.

Maintenance

Daily

Weekly

Monthly

After Prolonged 

Shutdown

At Start-Up

Interior

X

X

X

Gasket

X

X

X

X

Exterior

X

X

X

Drain

X

X

X

Condenser Coil

X

X

X

Casters

X

X

X