Caterpillar Certified Procedure to Inspect and Clean Air Filters

Caterpillar Products:Commercial Engines 3500B and 3500C
Caterpillar Products:Machine Engines with Electronic Unit Injectors 3500 Series
Caterpillar Products:Machine Engines with Mechanical Unit Injectors 3500 Series
Caterpillar Products:Machine Engines 3500B Series All 3500 Series
Caterpillar Products: Engines with ACERT Technology
Engine: Commercial with Mechanical Unit Injection 3126
Engine: Machine with Mechanical Unit Injection 3126
Engine: Truck with Mechanical Unit Injection 3116
Engine:14.6 L 3406
Engine: 3114 3116 3126 3126 and 3126B 3126B 3408 3412
Engine:Commercial with Electronic Unit Injection (EUI) 3500
Engine:Commercial with Mechanical Unit Injection (MUI) 3500
Engine:Commercial with Mechanical Unit Injection 3114 3116
Engine:Commercial 3406B 3406C 3500 and 3500B 3500 and 3500B Engines with Standard Displacement 3500B and 3500C High Displacement All Diesel G3500 Family
Engine:Generator Set 3500 Series
Engine:Industrial, Marine, and Generator Set that Use Flash Programming All
Engine:Machine with Mechanical Unit Injection 3114 3116 3500 Series
Engine:Machine 3066 3114 3126 3500B Series All 3412
Engine:Marine 3500 Series
Engine:Truck with Hydraulic Electronic Unit Injection (HEUI) 3116 3126 3126B
Engine:Truck with Mechanical Unit Injection 3114
Engine:Truck 3406B 3406C Electronically Controlled
Engine:Trucks that Use Flash Programming All
Engine:with Jake Brake Retarders Built Prior to 1999 All
Engine: 3114 Truck Engines 3116 Truck Engines 3126 Truck Engine 3126B Truck Engine 3126E Truck Engines 3208 Truck Engines 3408E and 3412E All 3600 All G3600 All Gas Engines C7 On-Highway C9 On-Highway Equipped with Air Compressors
Industrial Engine:with Turbochargers All
Industrial Engine: 3003 3013 3014 3024 3114 3116 3126 3126B 3176 3204 3208 3304 Diesel 3306 Diesel 3406 Diesel 3406C 3408 3408 Diesel 3412 C-10 C-12 C-15 C-16 C-9
Machine Engines: 3408E 3412E
Machine Engines:with Mechanical Unit Injection 3500 Series
Machine Engines: 3003 3013 3014 3024 3046 3054 3054B 3054C 3054E 3056 3056 and 3064 3056E 3066 3114 3116 3126 3126B 3176 3176C 3196 3204 3208 3304 3306 3406 3406B 3406C 3406E 3408 3412 3456 3508 3512 3516 All C-12 C-15 C-16 C-9
Marine Engine:with Turbochargers All
Marine Engine: 3116 3126 3126B 3208 3304 3306 3406 3408 3412 C-12 C-9
Truck Engines:Truck All
Truck Engines: 3176 3406E C-10 C-12 C-15 C-16

Introduction

Note: Caterpillar recommends using air in low pressure and high volume to clean air filters.

The following information is found in this guideline.

Reusability of filters

Cleaning indicators

Inspection and cleaning methods

Correct packaging and storage

Call (309) 636-8500 for additional information on your filter.

PowerCore is a registered trademark of Donaldson Company Inc.

Tooling and Equipment

Contact the Caterpillar Service Technology Group for questions regarding tooling and equipment.

Caterpillar Service Technology Group
501 S.W. Jefferson Avenue
Peoria, Illinois 61630

1-800-542-8665 (USA)

1-800-541-8665 (Illinois)

1-800-523-8665 (Canada)

1-309-675-6618 (Fax)

Types of Air Filter Elements

Air Filters Which Can Be Cleaned

Illustrations 1, 2, 3, and 4 show the primary elements of the air filters that can be cleaned until a new filter is installed. These filters have a folded paper design which can withstand cleaning.

Note: Air filters with axial seals and radial seals can be cleaned.


Illustration 1 g01158809

Nomenclature of panel type air filters which can be cleaned.

(1) Gasket

(2) Metal screen

(3) Dirty side

(4) Clean side


Illustration 2 g01158816

A typical example of an air filter element with an axial seal which can be cleaned.

(5) Clean side

(6) Axial seal

(7) Metal screen

(8) End cap

Illustration 3 g01158817

A typical example of an air filter element with a radial seal.


Illustration 4 g01158818

An example of a PowerCore air filter element with a radial seal.

Air Filters Which Cannot Be Cleaned

There are some types of air filters that cannot be cleaned, such as secondary air filters. The following air filters cannot be cleaned and should be replaced:

Secondary air filters

Filters with damage to the filter paper

Rebuilt air filters

Standby filters for engines

Air filters for fire pumps

Illustration 5 g01158824

Secondary air filters cannot be washed.

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